Description of Astyanax species from southern Brazil

Revision of the Gymnogeophagus group G. rhabdotus (Pisces, Perciformes, Cichlidae)

- phylogeny of Clariidae (Siluriformes) - functional morphology and ontogeny of Clariidae, Loricariidae, Callichthyidae, Mochokidae - convergent morphology in Anguilliformes - molecular phylogeny of Siluriformes

Morphology of Gobioid fishes: lateral line system, osteology; (1) morphology of Ponto-Caspian gobies (w/M. Duchkowitsch); (2) morphology of east Pacific gobies (w/V. Bohacek, J. Goeschl, N. Miljkovic & G. Scattolin). Osteology of small cyprinid fishes; (3) comparision of Phoxinus phoxinus and Pseudorasbora parva (w/ M. Juette & A. Schoen), (4) early osteology of Sander lucioperca (w/ H. Keckeis, J. Löffler & A. Ott).

Phylogeny of Doradoidea (Auchenipteridae + Doradidae)

(1) Phylogenetic revisions of the Neotropical electric fish genera Gymnotus, Steatogenys, and Sternopygus using morphological data, including descriptions of 11 new species in these taxa (James Albert, William Crampton, Dean Thorsen and Kevin Hulen); (2) evolutionary analyses of electric organ discharges in these taxa (William Crampton and James Albert); (3) a three year interdisciplinary biodiversity inventory of the Pacaya-Samiria National Reserve, a megadiverse, vulnerable and poorly known region in the Peruvian Amazon (James Albert, William Crampton, Cristián Ituarte, Nathan Lovejoy, Carolina Noreña, Hernan Ortega, Guido Pereira, Roberto Reis, Daniel Shain, Lorgio Verdi, and Cecilia Volkmer). (4) Systematics of the Neotropical electric fish Gymnotus using morphology and molecular sequence data, and evolution of the electric organ discharge (James Albert, Will Crampton, Nathan Lovejoy and Angel Caputi

Speciation and coexistance in Corydoriadine catfish

(1) Preparation of distribution maps for every known species of shallow (to 60 m depth) reef fish in the tropical Indo-west and central Pacific using ArcView software (3,164 maps completed at 1 November 2004); (2) taxonomic studies of Indo-Pacific Apogonidae; (3) taxonomic studies of Indo-Pacific Pomacentridae; (4) freshwater fishes of New Guinea, New Britain, Solomon Islands and northern Australia, particularly melanotaeniids and gobioids; (5) taxonomic studies of coral reef fishes of Australia and SE Asia; (6) updated version of field guide to the freshwater fishes of New Guinea. Field work for late 2005 and late 2004 will include reef surveys at Fiji and Malaysia and freshwater surveys at Solomon Islands and New Britain

(1) Systematic of Blenniidae, (2) Ichthyofauna of seagrass beds in Atlantic and Indian Ocean, (3) Ichthyofauna of Deep-sea Hydrothermal vent

(1) Polishing manuscript on new, mostly deep-sea, records of fishes from off Angola with colleague Denis Tweddle. (2) new records of western Antarctic zoarcids from cruises since my 1988 paper, including 9 very rare species. (3) Description of three new Microbrotula from the Indo-Pacific. (4) starting, with Ofer Gon, on Clupeiformes of WIO for Heemstra and Randall book on shore fishes of the region. (5) Description of a new callionymid from South Africa. (6) Descriptions of new fishes from Tristan da Cunha. (7) Description of a new Bothrocara with Duane Stevenson, NMFS. (8) Description of yet another new Pachycara with Mike Mincarone from the upper slope off Brazil. Scientific editor duties consume much of my time and we hope to produce three publications in our new Smithiana series every year.

Systematics of Symphysanodontidae, Anthiinae (Serranidae), Callanthiidae, and Lutjanidae

I primarily work on the morphological systematics of the Loricariidae, and I concentrate on a new subfamily (currently being described and revised with Roberto Reis and Edson Pereira) and the Hypostominae (which now includes the former Ancistrinae). Current revisions nearing completion include Lasiancistrus, Peckoltia, Hemiancistrus and related genera. I am also working on the molecular phylogenetics of the Hemiancistrus annectens group and am revising this group (with Justin Evans) and moelcular phylogeny of loricariids (with Michael Hardman). Fieldwork for all fishes has recently been completed in Guyana and Venezuela. Specimens are largely held at Auburn University’s fish collection.. I am also a Co-PI on the NSF-funded All Catfish Species Inventory that seeks to describe all species of catfishes and that provides funding for researchers the world over to complete this task. Please visit the ACSI website at: http://clade.acnatsci.org/allcatfish/. In non-catfishes, I am elevating the Atherinopsid Labisesthes vanhyningi (with David Werneke) and describing the southern population of the cyprinid Notropis buccatus (with Paul Pera) as a new species.

Mainly Biodiversity Informatics: FishBase (FB), Catalog of Fishes (CofF), SeaLifeBase (SLB), Catalogue of Life (CoL), AquaMaps. Current projects: - Filtering names from collection databases aggregated by GBIF; collaboration with David Remsen (GBIF), W.N. Eschmeyer (CofF), Tony Rees (CSIRO). - Global Name Architecture for fishes; collaboration with Stan Blum (CofF, CAS), Richard Pyle (ZooBank, BPM), Peter Midford (Phenoscape, KU), others to be defined. - Distribution maps of Macruridae; collaboration with A. Orlov.

Critical revision of characters relevant to questions in systematics of the Chaetostoma group. Taxonomy of colombian Loricariidae. Phylogenetic systematics of the Loricariidae based on homology tests and logical argumentation.

Phylogeny of Menidia, Poblana, Chirostoma; systematics and biogeography of Yuriria and Goodea

(1) Fish communities in Macaronesian Archipelagos and Islands of the Gulf of Guinea; (2) fish communities from Santa Catarina State, Southern Brazil; (3) ecobiology of, and Epinephelus marginatus's populations in the Atlantic and in Mozambique; (4) coastal fish communities in Southern Mozambique; ecobiology and ethology of Epinephelus itajara in southern Brazil

Current projects include: Systematics of Subfamily Ictiobinae (including morphology and molecular techniques); Molecular systematics of Catostomidae; collaborator in Cypriniformes Tree of Life project; systematics and taxonomy of darters (Etheostomatini)

(1) Evolution of reef fishes (from Triassic to­ Present) based on fossil record; (2) functional morphology and ecology of wrasses (Labridae) (w/ P.C. Wainwright); (3) reef fish systematics using molecular techniques (inc. several genera in the Labridae, Scaridae, Chaetodontidae, Pomacanthidae) (w/ Wainwright, Westneat, P. Barber, L van Herwerden & grad students); (4) global biogeography of reef organisms (inc. corals w/ T.P. Hughes, S. Connolly); (5) the role of reef fishes in coral reef resilience (management of coral reef ecosystems not fish stocks) (w/ Hughes, Connolly & C. Folke)

Analysis of otolith microchemistry to assess environmental movement patterns in American eel (Anguilla rostrata)

(1) Phylogenetic analysis of the neotropical genus Moenkhausia (Characiformes: Characidae) with a taxonomic revision of the forms of the upper Rio Paraná (as a Ph.D. thesis). (2) Preparing for publication the systematic revision of the genus Gymnocorymbus (Characiformes: Characidae)

(1) paper on reproductive biology of the nurseryfish, Kurtus gulliveri, is in preparation with Bruce Thompson; (2) paper on molecular systematics of Kurtus gulliveri is in preparation with Andrew Mahon and Kent Carpenter;(3)lab work on DNA paternity analysis of male nurseryfish and their egg mass is under way with G. Orti; (4)paper on 28 years of persistence and stability of stream fish assemblage at Cedar Fork Creek, Ohio is in preparation with Paulo Petry; (5) resource partitioning among Etheostoma with Joan Bradley is forever on going; (6) work on the histology of the lateral line nerve and neuromasts of Kurtus gulliveri continues with Kent Carpenter and others;

(1) Phylogeny and taxonomy of Hemibrycon (Günther, 1864)(Characiformes: Characidae) (w/Luiz R. Malabarba);(2) Phylogeny and taxonomy of Hollandichthys Eigenmann, 1909 (Ostariophysi: Characiformes: Characidae) (w/Luiz R. Malabarba; (3) review of Astyanax Baird & Girard, 1854 (Teleostei: Characidae) from the rio Tramandaí drainage, RS, Brazil (w/ L. R. Malabarba and J. P. da Silva); (4) systematics of Prodontocharax and Amblystilbe (Teleostei: Characidae: Cheirodontinae), with descriptions of new species (w/ L. R. Malabarba); (5) review of Odontesthes \"grupo perugiae\" from the laguna dos Patos drainage (w/ L. R. Malabarba and B. Dyer); (6) study of the occurrence, distribution and abundance of sand beach fish species in the lago Guaíba, RS, Brazil (w/ F. G. Becker and Z. M. Lucena); (7) description of five new species of Ancistrus (w/ S. Fish-Muller, A. R. Cardoso and J. P. da Silva); (8) description of two new species of Astyanax and comments about A. scabripinnis complex species (w/ C. A. Lucena); (9) description of a new species of Hasemania (Characidae) (w/ L. R. Malabarba).

Molecular systematics of the genus Cycleptus Population genetics and phylogeography of Fundulus sciadicus

(1) Genetic, citotaxonomy and morphological revision of cyprinids from southern Europe in collaboration with colleagues from several European countries; (2) a paper in collaboration with Frank Nordlie on salinity tolerance of Valencia letourneuxi (Valencidae) and Pseudophoxinus stymphalicus (Cyprinidae) is still in preparation; (3) chapters on several cyprinid species for "The Freshwater Fishes of Europe" (edited by Aula- VERLAG) are in progress; (4) field work on fishes from National Park (Parco Nazionale della Maiella, Parco Nazionale del Cilento) are in progress; (5) a study on biology of three cyprinid species from Southern Italy (Rutilus rubilio, Leuciscus cephalus and Barbus tyberinus) is completed; (6) I start to work on marine fish with: a contribution to the biology of Pagellus bogaraveo (Sparidae) from Tyrrhenian sea; record of the mesopelagic species Zu cristatus (Lampridiformes) from shallow waters. I start a work on biology and autoecology of Lizard fish (Synodus saurus) fron central Thyrrhenian Sea

1) Marine fishes of Turkey, with emphasize on alien species; 2) Shallow water fish (Gobiidae, Blennidae, Tripterygiidae, Gobiesocidae, etc.) assemblages of Levant shores of Turkey; 3) Biological studies (i.e. age, growth, behaviour) on certain alien fishes in the Mediterranean Sea.

Conservation and systematic studies of the Austroglanis catfishes of South Africa, Chiloglanis catfishes and riverine cichlids of southern Africa

1-Taxonomic and phylogenetic revision of Rhinodoras; 2 - description of new species of Doras (with M. Sabaj); taxonomic revision of Leporinus from brasilian east basins (with H. Britski); 4- description of a new specie of Moenkhausia from Serra do Cachimbo, Pará, Brazil (with F. Lima).

Systematics of Menidiini

Work on the systematics and stratigraphical distribution of fossil elasmobranch teeth from the Cretaceous (Maastrichthian) and Tertiary (Eocene, Oligocene and Miocene) of The Netherlands and Belgium is continued. In addition the dentitions and systematics of modern sharks, rays and chimaeras are studied

mtDNA of Sciaenops ocellatus, morphology of serranids

revision of Zeniontidae, mtDNA Zeus, Zenopsis

Am now retired to a nice place without many fishes but we spend the summers in British Columbia where there are plenty of them (of the angling variety). Now working on an article devoted to the conservation of coral reef fishes. The emphasis will be on the importance separating pattern from process

(1) Taxonomic revision and phylogeny of the recently ressurected genus Scleromystax (Callichthyidae); (2) redescription of Corydoras flaveolus (Callichthyidae) (w/F.C.T. Lima); (3) taxonomic revision and phylogeny of the genus Aspidoras (Callichthyidae) (w/F.C.T. Lima); (4) description of a new Aspidoras from Bahia (Callichthyidae) (w/ F.C.T. Lima and A. Clistenes); (5) description of new hypoptopomatine catfishes from Central Brazil (Loricariidae) (w/ R.E. Reis and P.A. Buckup); (6) a chapter about callichthyid catfishes on a book based in the ichthyofauna from Rio Ribeira de Iguape (coordinated by O. Oyakawa); (7) preparing the results of my Ph.D thesis on higher-level phylogeny of Siluriformes for publication (Siluriformes) (w/M. de Pinna)

I'm developing a dataset for phylogenetic analysis of muraenids and their close relatives. This phylogeny will be used to investigate rates and patterns of cladogenesis and morphological evolution using comparative phylogenetic approaches being developed by myself and others.

Phylogenetics of actinopterygian orders and families using complete mitochondrial genomes, phylogenetics of ostariophysans using mitochondrial and nuclear genes, population genetics of cyprinids and poeciliids using sequences and microsatellites. Methodological/computational approaches for extracting phylogenetic signal from noise.

Lab Tech for the Orti Lab. Projects worked on include paternity analyses of Pimephales promelas with Mike Bessert, sexual selection in Amazonian characiforms with Adela Roa Varon, and clonality of Cirsium thistles.

(1) Faunal and historical survey of the fishes of Hickory Creek, Des Plaines River Drainage, Will and Cook Counties, Illinois (with Alan Resetar, FMNH); (2) tooth replacement rates of Squalus acanthias; (3) sexual dimorphism in number of first dorsal fin basals of Squalus acanthias Linnaeus, 1758; (4) tooth replacement rate of Carcharodon carcharias (Linnaeus, 1758); (5) tooth replacement rate in lantern sharks (genus Etmopterus); (6) description of a new species of percoid fish from the Eocene Swauk Fm. of Washington (with Mark V. H. Wilson, and Daniel Wood)

Sytematics, phylogeny and biogeography on neotropical fishes.

Research is continuing on multiple projects: (1) Review of the family Cichlidae with separate reviews on genera (1a) Aequidens and (1b) Xenotilapia. (American genera completed, with dummy partially finished, African and Asian genera partially completed). (2) Revision of the family Pomacanthidae. (dummy being constructed). (3) Review of the catfish subfamily Coradoradinae, family Callichthyidae. (4) Revision of the family Ambassidae (one preliminary paper in prep.). (5) Several papers on larval fishes in preparation dealing with (5a) Acanthuridae, (5b) Pomacanthidae, (5c) Chaetodontidae, and (5d) Pomacentridae. (6) New species in works on Pomacanthidae, Cichlidae, Loricariidae, Callichthyidae. (7) Checklist of Anabantoidei completed. (8) Work on Embiotocidae and Chaenopsidae continuing. (9) Update on Catfish Atlas currently on back burner because of extensive systematic changes reported in CLOFFSCA

(1) Molecular phylogeny of the Percichthyidae (w/ M. Truong & C. Austin); (2) genetic identification of commercial fishes in SE Australian markets (w/ S. Williamson & C. Austin); (3) molecular systematics of Australian desert fishes (w/ B. Bostock, C. Austin & M. Adams); (4) molecular systematics of landlocked Galaxias maculatus (Galaxiidae) in SE Australia (w/ C. Jacq & C. Austin); (5) molecular phylogeny of Pagrus (Sparidae) (w/ L. Meggs & C. Austin); (6) molecular variation among common carp (Cyprinus carpio) strains (w/ B. Thai & C. Austin). My own research has been delayed given student supervision and laboratory management duties associated with the aforemention projects, but comprises (1) phylogeny of the Cirrhitidae (w/ T. Donaldson); (2) phylogeny of the Chironemidae (w/ R. Melendez & B. Dyer); (3) osteology of the Cheilodactylidae and Latridae (w/M. Gomon); (4) molecular phylogeny of Acanthopagrus (Sparidae). My contract at Deakin Univ. expires late 2004. http://www.deakin.edu.au/sch_ecol_env/research/mol_ecol_bio/home.htm: lab website

(1) Continuing studies on taxonomy of larval and adult snailfishes (family Liparidae) in the North Pacific Ocean and Bering Sea including a revision of the genus Allocareproctus with a description of late stage eggs (with J.W. Orr). (2) Description of an unusual late stage grenadier larva (Gadiformes: Macrouridae). (3) Spawning and development of eggs and early larvae of arrowtooth flounder (Atheresthes stomias) (family Pleuronectidae) (with A. Matarese and D. Blood). (4) Description of larvae and early juveniles of giant blob sculpin, Psychrolutes phrictus (with R. Cartwright and J. Drazen). (5) Species assemblages, taxonomy, and osteology of larval and juvenile fishes from the Gulf of Alaska and Bering Sea

Guide to Caribbean fishes of Costa Rica; description of new species of Peristedion from Isla del Coco

I was hospitalized last fall after triple bypass heart surgery and have been kept busy with extra teaching since then to make up for my absence. My interests continue for catostomids, cyprinids, gasterosteids, and percids. Papers on the catostomid genus Cycleptus and on grunion (Leuresthes tenuis) population structure have been published

Exercise metabolism and fuel use as it relates to adaptation and environmental constraints

Taxonomy and phylogeny of Odontostilbe, Cheirodontops and Aphyocheirodon (Characidae: Cheirodontinae)

Inventario de ictiofauna y Análisis de actividad pesquera

(1) Long-term studies on the Cretaceous and Tertiary elasmobranch faunas regularly collected in the Phosphate deposits of Morocco and Middle-East include actually the description of new Campanian and Maastrichtian Anacoracidae; (2) the studies on the dentition of Recent and fossil Dasyatoidea, mainly dasyatids and urolophids, is on-going; (3) the completion of the revision of European Eocene Odontaspididae, mainly from Belgium (in collaboration with D. Nolf); (4) an addition to the Cretaceous and Eocene (Campanian, Maastrichtian and Lutetian) elasmobranch faunas from Texas and Alabama (USA, in collaboration with G.R. CASE et al.); (5) the study of a new elasmobranch assemblage from the Lower Cretaceous of Thailand (in collaboration with E. Buffetaut and V. Suteethorn); (6) the completion of a database including all fossil post-Triassic genera and species of elasmobranchs, for publication in the Series \\\"Fossilium Catalogus\\\"; (7) the up-dating of the Handbook of Palaeoichthyology for a new publication of the vol. 3, actually out-of-print

(1) Taxonomic revision end phylogeny of the subfamily Rhoadsiinae (Characidae, Characiformes); (2) revision of the species of Rineloricaria from coastal rivers in southern Santa Catarina end northeastern Rio Grande do Sul, Brazil (Pisces, Siluriformes, Loricariidae); (3) taxonomic revision and phylogeny of the genus Bunocephalus Kner (Teostei: Siluriformes: Aspredinidae - Ph.D. thesis) and (4) two new species of the genus Ancistrus Kner from the rio Tapajós basin and from the rio Tocantins basin (Teostei: Siluriformes: Ancistrinae) (W/Fisch-Muller, S; Silva, J. F. and Bertaco, V.A.)

Miocene fishes of the Mediterranean and Paratethys Eocene fishes from Monte Bolca

My Ph.D. research principally involves investigation of hybridization between Cyprinodon atrorus and C. bifasciatus using mitochondrial and nuclear gene markers. I am also involved in a study of phylogeographic relationships within Cyprinodon and Campostoma (Cyprinidae).

systematics and distribution of chaunacid and lophiid anglerfishes

Genetic populations of Cichla aff monoculus in Bolivia. Distribution and biogeography of Trichomycteridae in the high Andes of Bolivia

(1) Research on the systematics and evolution of freshwater stingrays (Potamotrygonidae), which includes descriptions of new species (with NR Lovejoy, RS Rosa and P Charvet), inventory of the Rio Tocantins forms (with EE Marques and P Lucinda), and descriptions of isolated fossil remains (with JG Lundberg); (2) my doctoral dissertation (systematics of Narcine) is being prepared for publication; (3) research on the Eocene Monte Bolca batoids continues; (4) revision of Eastern Atlantic Torpedo (with B Séret); (5) revision of Narke (with JE Randall). Please note new address and contact information

(1) Phylogenetic analysis of the genus Hypostomus (Siluriformes: Loricariidae) (as a Master´s thesis); (2) description of various new species of the subfamily Hypoptopomatinae (Siluriformes: Loricariidae) (w/ F.A. Bockmann; A.C. Ribeiro & A.L.A. Melo); (3) finalizing the chapter of Hypostominae for the book `Catálogo das Espécies de Peixes de Água Doce do Brasil' (w/ F.A. Bockmann); (4) description of various new species of Trichomycteridae (Siluriformes) (w/ A.Datovo); (5) description of a new species of Loricariidae (Siluriformes).

Taxonomy and biology of Freshwater-fishes of Argentina

(1) Submiting to FAPESP (State of São Paulo, Brazil, main research granting agency) a Thematic Project on the phylogenetic nature of the family Characidae (Characiformes, Ostariophysi) (with Flávio A. Bockmann, Richard P. Vari and Claudio Oliveira); (2) revision and phylogenetic relationships of the genera Engraulisoma Castro and Clupeacharax Pearson (Characiformes, Characidae); (3) description and phylogenetic relationships of a new species of blind pimelodid catfish from a cave in the state of Bahia, northeastern Brazil - finished and soon to be submitted (with Tatiana X. de Abreu and Flávio A. Bockmann); (4) revision and phylogenetic studies of Rhamdiopsis Haseman (Siluriformes, Pimelodidae) (with Flávio A. Bockmann); (5) ecomorphology of the fishes from the headwaters of the São Francisco River, state of Minas Gerais, southeastern Brazil (with Lilian Casatti); (6) description and phylogenetic studies of a new genus and species of a Bramocharax - like fish (Characiformes, Characidae) from the upper Paraíba do Sul River, State of São Paulo (with Ricardo C. Benine, Alexandre C. Ribeiro and Rosana Souza Lima); (7) redescription and phylogenetic appraisal of Henochilus wheatlandii Garman, 1890 (Characiformes, Characidae) - submitted to Copeia and accepted for publication pending successful completion of revisions (with Richard P. Vari, Fábio Vieira and Claudio Oliveira); (8) phylogenetic and revisionary studies of Leporellus Lütken (Characiformes, Anostomidae) (with Richard P. Vari and Lilian Casatti); (9) taxonomic revision of the Upper Paraná River species of Astyanax Baird & Girard (Characiformes, Characidae) ­ a new species description was finished and submitted to publication in the Proceedings of the Biological Society of Washington (with Richard P. Vari); (10) the successful completion of the Coordination of a four and a half years (started on December 01, 1998 and ended on June 30, 2003) BIOTA/FAPESP's Thematic Project on the fish diversity of the headwaters and streams of the upper Paraná River system in the State of São Paulo, southeastern Brazil (with Heraldo A. Britski, José L. Figueiredo, Naércio A. Menezes, Julio C. Garavello, Richard P. Vari, Stanley H. Weitzman and many students and technicians from LIRP-USP and MZUSP). One the most valuable Project results was the incorporation in LIRP's fish collection of 16.679 stream fish specimens, belonging to six orders, 19 families, 52 genera and 95 species (about 15% undescribed) from the previously uncollected areas in the Upper Paraná River basin in the State of São Paulo. This collection is available for online consultation at http://splink.cria.org.br/. A major synthetic paper summarizing about a third of the Project's major results was already published (see the Literature section of this newsletter) and two similar ones are almost ready for submission

(1) The systematic catalog of Mexican sharks (w/H. Espinosa Pérez & L. Huidobro-Campos) is going (finally) to press and, if everything is ok, it will be published by the end of this year; (2) the study (w/A. Antuna- Mendiola, A. González-Acosta & J. De la Cruz-Agüero) of several specimens of Mustelus, caught from off Bahía Magdalena, Baja California Sur, rendered a new species, and the ms. has been already submitted for publication; (3) systematics and biogeography of Mexican mojarras (Family Gerreidae) is almost ended (w/A. González-Acosta & A. Antuna-Mendiola); (4) a paper describing two new species of angel sharks (Squatina) from the shelf of Golfo de México was already submitted for publication (w/H. Espinosa Pérez & L. Huidobro-Campos); (5) my long term project, namely writing a new book on Mexican iso and hypersaline lagoons ichthyofauna is in progress (w/many colleagues); (6) probably I will leave on a one-year sabbatical 1 August, 2004, to Colección Nacional de Peces (National Fish Collection) at the Instituto de Biología, U.N.A.M. in Mexico City. This action will be in strong relationship with the book mentioned above

1) phylogeny of basal teleosts and basal euteleosts based on recent and fossil record; 2) evolution of post-palaeozoic dipnoi; 3)Phylogeny of Semionotiformes; 4) fish palaeogeography; 5) global changes and fish diversity

Systematics of the genus Sicydium

(1) Evolution of Leiognathidae

Master thesis dealing with the taxonomic review and phylogenetic relationships of the genus Leporacanthicus (Loricariidae, Hypostominae, Ancistrini)(W/M.C.C.de Pinna)

Systematics of pleuronectiform fishes, using all the fields of comparative anatomy (myology, ligaments, bones and soft anatomy)

(1) Study of tooth morphology and ultrastructure in ostariophysian fishes (Teostei, Otocephala) as M.sc. Dissertation under advice of Dr. Carlos A. Santos Lucena

Molecular systematics of ray-finned fishes. Currently, I am working on CToL project with Dr. R. Mayden.

Ecology and evolution of reef fishes with focus on labrids and acanthurids

See website for areas of research

Continuing studies on bythitid fishes including description of a new species of cave-dwelling Grammonus (w/J. Nielsen)

Working on the analysis of Fundulus auroguttatus and F. rubrifrons from N. Florida

(1) Sections on Belonidae and Hemiramphidae for fishes of the western North Atlantic; (2) FAO world catalogue of beloniform fishes (with N.V. Parin); (3) molecular phylogenetic studies of Scombroidei and Xiphioidei (with T. Orrell and G.D. Johnson); (4) phylogenetic studies of the Beloniformes (with H. Banford and N. Lovejoy); (5) phylogenetic and host-parasite studies of remoras, Echeneidae; (6) revision of halfbeaks of the genus Zenarchopterus; (7) sexual dimorphism in the southeast Asian freshwater needlefish, Xenentodon (with M. Kottelat); (8) faunal study of the fishes of the West Wind Drift islands and sea mounts; (9) hermaphroditism in Serranus novemcinctus (with C. Roberts); and (10) continued participation in refinement of ITIS, the Integrated Taxonomic Information System (http://www.itis.usda.gov/itis). Long-range studies continue on the systematics of the Scombridae, Belonidae, and Hemiramphidae.

Im working in reproductive ecology of coastal elasmobranch species from Southwest Atlantic. Estoy trabajando en ecología reproductviva de elasmobranquios costeros del Atlántico Sudoccidental.

1. Phylogeny and biogeography of Heroini (Cichlidae) / 2. Web-capable networked geospatial databases and cartography for Neotropical biogeography

Working on Ph.D. Dissertation reserach tilted: Systematic Position of the genus Psilorhynchus within the Order Cypriniformes

Phylogeographic studies of Pseudoplatystoma genera, which comprises big catfishes from South America

Phylogeny of the subfamily Loricariinae

current work includes systematics of Epinephelus, Coralliozetus, and Lophotus.

Phylogeny of the Hypoptopomatinae and Neoplecostominae with a combination of nuclear (RAG1 and RAG2), mitochondrial (cytb) and morphological data

Morphology, life history and ecophysiology of the freshwater (salmonid and native)fishes of Patagonia.

(1)I working in my PhD thesis on the phylogenetic relationships of the "clade A" (Malabarba & Weitzman, 2003)(2)taxonomic review of the genus Astyanax (Characiformes: Characidae) from the rio Tramandaí drainage (w/ L. R. Malabarba and V. A. Bertaco); (3) taxonomic review of the genus Othonocheirodus (Characiformes: Characidae) from southeast Brasil (w/ L.R. Malabarba); (4) description of a two new species of Hypobrycon (Characiformes: Characidae) from middle rio Uruguai in Rio Grande do Sul state, Brasil (w/ L.R. Malabarba)

Phenoscape project, anatomy ontologies, morphology databases

Collection and idendification of stream fishes in Arunachal Pradesh,India,prepation of checklist of fishes of the state.Conducting trials for domistication of wild food fishes like Neolissochilus hexagonolepis and semiplotus semiplotus and other attrative wild ornamental fishes from the state