Fish Identification

Other identification tools | SeaLifeBase

Non-fish Identification: Find Species

Family: Onychognathiidae (See list of species below)

Select Ocean (marine/brackish) or Continent (freshwater):

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Total number of spines in dorsal and anal fins (optional)

10 species with fin ray counts including ? spines in dorsal and ? in anal fins (see list below)

No picture found Goannagnathia susannae []	No picture found Nanognathia exigua []	No picture found Onychognathia bractearotunda []
No picture found Onychognathia filifera []	No picture found Onychognathia rhombocephala []	No picture found Rastrognathia macrostoma []
No picture found Valvognathia pogonostoma []	No picture found Vampyrognathia horribilis []	No picture found Vampyrognathia minor []
No picture found Vampyrognathia varanus []

10 Species of Family Onychognathiidae
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Sort by: Species Length

Scientific Name	English Name	Distribution	Max. Length (cm)
Goannagnathia susannae		Western Central Pacific
Nanognathia exigua		North America
Onychognathia bractearotunda		Southeast Pacific
Onychognathia filifera		Western Central Atlantic
Onychognathia rhombocephala		Eastern Central Pacific
Rastrognathia macrostoma		Northeast Atlantic
Valvognathia pogonostoma		Northeast Atlantic
Vampyrognathia horribilis		Western Central Atlantic
Vampyrognathia minor		Western Central Atlantic
Vampyrognathia varanus		Western Central Pacific

Other identification tools in SeaLifeBase

Quick Identification

Identification keys

Identification by morphometrics

Identification by pictures:

          If you already know the Family, go to Search SeaLifeBase, select Family and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the family.

          If you already know the Country, go to Search SeaLifeBase, select Country and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the country.

          If you already know the Ecosystem, go to Search SeaLifeBase, select Ecosystem and click on 'Identification by pictures' to display all available pictures in SeaLifeBase for the ecosystem.