| Australian Museum Fish Department: General introduction to ichthyology and information about the museum's research in the classification. |
| California Academy of Sciences Ichthyology: Fish systematics research site includes catalog, checklists, and images of fishes. |
| Calypso Publications: Publishers of ichthyological taxonomic texts. Descriptions of publications, book reviews and sample images. |
| Catalog of Fishes: Database that includes more than 53,000 species of fish as well as bibliographic references. |
| Fish Physiology and Biochemistry: Journal that publishes original research papers in all aspects of fish physiology and biochemistry. |
| Fish Scope: Time-lapse recordings and confocal images dealing with the developmental biology of fish. |
| Fish, A Quick Course On Ichthyology: Introduction to the study of ichthyology and the characteristics of fish presented by Jason Buchheim. |
| Fishdisease.net: Web portal for fish health professionals, including directory of researchers, conference calendar, job postings, images of parasites and pathological conditions of fishes, and links to journals, associations, suppliers, and other resources. |
| Florida Museum of Natural History Ichthyology Collection: Comprehensive searchable fish database that offers fish data, shark research and images. |
| Ichthyological Association: German language platform for scientists and ichthyologically interested persons. Data about events and article abstracts. |
| Ichthyology Web Resources: Resources of scientific and educational value in an organized directory. Includes specimen database links. |
| Losey Lab: Showcases information concerning the effects ultraviolet rays have on coral reef fish vision, coloration, behavior and ecology. |
| Love Lab: Features fish research, biology and a list of species that reside off the Pacific coast in North America. |
| Museum of Southwestern Biology: Fishes: Project guides and reports of ongoing research currently conducted at the University of New Mexico. |
| Native Fish Research Group: Researchers and projects dedicated to fish evolutionary genetics and conservation in British Columbia, Canada. |
| Neodat Project: Database of fish biodiversity in the Neotropics. Systematic and geographic data on freshwater fish specimens. |
| Neotropical Ichthyological Association: Formed by a group of ichthyologists and students with a broad range of interests in neotropical fish. |
| Peces Criollos: Permanently up-to-date about systematics of the freshwater fishes from Argentina. Also includes PDF downloads and links. |
| Texas Natural History Collections: Ichthyology: Images, distribution maps and other data on North American freshwater fish. |
Classical
