''Grammonus nagaredai'', or the Nagareda's viviparous brotula, is a species of

viviparous brotula The viviparous brotulas form a family, the Bythitidae, of ophidiiform fishes. They are known as viviparous brotulas as they generally viviparity, bear live young, although there are indications that some species (at least ''Didymothallus crinicep ...

found in the

Hawaiian Islands The Hawaiian Islands ( haw, Nā Mokupuni o Hawai‘i) are an archipelago of eight major islands, several atolls, and numerous smaller islets in the North Pacific Ocean, extending some from the island of Hawaii in the south to northernmost Kur ...

where it occurs at depths of around to .

Description

''Grammonus nagaredai'' is similar to ''

Grammonus ater ''Grammonus'' is a genus of viviparous brotula. Species There are currently 11 recognized species in this genus: * '' Grammonus ater'' ( A. Risso, 1810) * '' Grammonus claudei'' ( Torre y Huerta, 1930) (Reef-cave brotula) * ''Grammonus diagrammu ...

'' from the Mediterranean Sea, but it differs from that species in being more robust. The head and body are brown in life, while the sensory papillae tend to be white.Randall, J.E. and Hughes M.J., 2009. Grammonus nagaredai, a new viviparous marine fish (Ophidiiformes: Bythitidae) from the Hawaiian Islands. Pacific Science 63(1):137-146.

References

Bythitidae Fish described in 2009 {{Bythitidae-stub