''Bidenichthys okamotoi'', is a fish of the family
Bythitidae
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 ...
, and is found at the
Koko Seamount
Koko Guyot (also sometimes known as ''Kinmei'' and Koko Seamount) is a 48.1-million-year-old guyot, a type of Submarine volcano, underwater volcano with a flat top, which lies near the southern end of the Emperor seamounts, about north of the "be ...
in the Central North Pacific.
Etymology
The species is named after the collector of the two type specimens, Dr.