Gnat - Hali
- Gnathagnoides
- Gnathagnoides innotabilis
- Gnathagnus
- Gnathagnus elongatus
- Gnathanacanthidae
- Gnathanacanthus
- Gnathanacanthus goetzeei
- Gnathanodon
- Gnathanodon speciosus
- Gnathocharax
- Gnathocharax steindachneri
- Gnathodentex
- Gnathodentex aurolineatus
- Gnathodolus
- Gnathodolus bidens
- Gnatholepis
- Gnatholepis anjerensis
- Gnathonemus
- Gnathonemus abadii
- Gnathonemus angolensis
- Gnathonemus bentleyi
- Gnathonemus cyprinoides
- Gnathonemus deboensis
- Gnathonemus elephas
- Gnathonemus gilli
- Gnathonemus leopoldianus
- Gnathonemus livingstonii
- Gnathonemus longibarbis
- Gnathonemus macrolepidotus
- Gnathonemus monteiri
- Gnathonemus numenius
- Gnathonemus petersi
- Gnathonemus schilthuisiae
- Gnathonemus stanleyanus
- Gnathonemus tamandua
- Gnathophis
- Gnathophis habenatus
- Gnathopogon
- Gnathopogon chankaensis
- Gnathopogon elongatus
