Integrated Taxonomic Information System (CAN, MEX, BRA, NA, GBIF)
Fishbase (US, DE, FR, SE, TW, CN, GR)
Australian Faunal Directory (AFD)
World Register of Marine Species
Tree Of Life Web Project
SeaLifeBase
Global Biodiversity Information Facility
Species 2000. Catalogue of Life.
ReefBase
Universal Biological Indexer and Organizer
Encyclopedia of Life
Ocean Biogeographic Information System
European Register of Marine Species
Funet
Base de Datos des Especies
The Fish Database of Taiwan
Index Nominum Genericorum
Food and Agriculture Organization of the United Nations
Raffles Bulletin of Zoology
The American Museum of Natural History
Banco de Datos de Peces del Mediterráneo
Fauna Ibérica
World Database of Marine Species
Mikko Haramo's Phylogeny Archive
Comparative Toxicogenomics Database
Wet Web Media
The Earth Life Web
Biblioteca Digital - Jardín Botánico de Madrid