Ceratothoa
| Ceratothoa | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Malacostraca |
| Order: | Isopoda |
| Family: | Cymothoidae |
| Genus: | Ceratothoa Dana, 1852 |
| Species | |
|
26 species (see text) | |
| Synonyms | |
| |
Ceratothoa is a genus of isopod ectoparasites of teleost fish, first described by James Dwight Dana in 1852. Infection by Ceratothoa can cause anaemia, lesions, growth retardation, emaciation, and mortality in their fish hosts.