Glossary
nuchal hump
A protruding growth of tissue found on the head in sexually-mature, usually male, specimens of certain fishes.
Used in 42 species profiles
- Amatitlania nigrofasciata
- Amphilophus citrinellus
- Amphilophus labiatus
- Andinoacara rivulatus
- Cichla monoculus
- Cichla ocellaris
- Cichla orinocensis
- Cichla temensis
- Cyphotilapia frontosa
- Cyphotilapia gibberosa
- Cyrtocara moorii
- Darienheros calobrensis
- Dormitator lebretonis
- Geophagus argyrostictus
- 'Geophagus' brasiliensis
- Geophagus camopiensis
- 'Geophagus' crassilabris
- 'Geophagus' iporangensis
- 'Geophagus' pellegrini
- Geophagus proximus
- Geophagus sp. 'orange head'
- 'Geophagus' steindachneri
- Geophagus taeniopareius
- Gymnogeophagus balzanii
- Herichthys cyanoguttatus
- Heros efasciatus
- Hypselecara coryphaenoides
- Hypsophrys nicaraguensis
- Mogurnda adspersa
- Neolamprologus similis
- Pangio anguillaris
- Pterophyllum altum
- Pterophyllum leopoldi
- Retroculus acherontos
- Steatocranus casuarius
- Tateurndina ocellicauda
- Vieja argentea
- Vieja fenestrata
- Vieja maculicauda
- Vieja regani
- Vieja synspila
- Vieja zonata