All Species Fundation

Digital Taxonomy

Integrated Taxonomic Information System (ITIS)

Species 2000

The Expert Center for Taxonomic Identification (ETI)

Tree of Life Web Project

All Catfish Species Inventory

American Society of Ichthyologiests and Herpetologists

Australian Museum Fish Site

Australian Museum Fish Site

Catalog of Fishes (California Academy of Sciences)

CAS primary types database (names,radiographs, photographs) and collection database

Cypriniformes portal

Desert Fishes Council

FishBase - A Global Information System on Fishes

Florida Museum of Natural History - Ichthyology

Gadus Associates' List of Fisheries Web Sites

Ichthyology Web Resources (IWR)

Killi-Data Web (IWR)

Index to Species Profiles: Life Histories and Environmental Requirements of Coastal Fishes and Invertebrates

List of freshwater fishes of Argentina (Lopez et al 2003, pdf file in spanish)

PecesCriollos - updated information on the systematics of the freshwater fishes from Argentina

NeoDat Image Gallery Database

Species Identification and Data Programme (FAO Fisheries)

Sharks

StreamNet - Fish Data for the Northwest

Journey into Phylogenetic Systematics

TreeBASE

A Collection of APL Functions for Cladistic Analysis

MacClade

Mesquite - A modular system for phylogenetic analysis

Optimal Sequence Analysis

PHYLIP - Joe Felsenstein

RASA - Phylogenetic Certainty via Relative Apparent Synapomorphy Analysis

RESTSITE - Joyce C. Miller

TreeView - Rod Page

Other Phylogeny Programs - nice comprehensive list of phylogenetic programs