Bidenichthys

Bidenichthys
Grey Brotula (B. consobrinus)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Ophidiiformes
Family:	Bythitidae
Tribe:	Brosmophycini
Genus:	Bidenichthys Barnard, 1934
Type species
Bidenichthys capensis Barnard, 1934
Synonyms
FiordichthysPaulin, 1995

Bidenichthys is a genus of viviparous brotulas.

Etymology

The genus is named after C. Leo Biden, who collected one of the type specimens of Bidenichthys capensis and donated many specimens to the South African Museum. ^[1]

Species

There are currently five recognized species in this genus: ^[2]

• Bidenichthys capensis Barnard, 1934 (Freetail brotula): The type species for the genus; "intertidal in rocky tidepools from East London to the Cape of Good Hope, South Africa. Uncommon." ^[3]
• Bidenichthys consobrinus (F. W. Hutton, 1876) (Grey brotula): "Rocky areas at depths of 30 to 178 m off northern New Zealand. Rare." ^[3]
  • Synonym: Bidenichthys beeblebroxi Paulin, 1995: "Found in holes beneath rocks and boulders from the surface to 30 m around the North Island and northern part of South Island, New Zealand. Common." ^[3]
• Bidenichthys okamotoi Møller, Schwarzhans, Lauridsen & Nielsen, 2021 ^[4]
• Bidenichthys paxtoni (Nielsen & Cohen, 1986) (Baldhead cusk)
• Bidenichthys slartibartfasti (Paulin, 1995) (Fiordland brotula)

References

1. "The ETYFish Project". The ETYFish Project. Retrieved 8 May 2024.
2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Bidenichthys". Catalog of Fishes . California Academy of Sciences . Retrieved 9 April 2025.
3. Nielsen, J.G.; Daniel M. Cohen; Douglas F. Markle & C. Richard Robins (1999). FAO species catalogue. Vol. 18. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date (PDF). FAO Fisheries Synopsis. Vol. 125/18. Food and Agriculture Organization of the United Nations. p. 118. ISBN   92-5-104375-2.
4. Møller, Peter R.; Schwarzhans, Werner W.; Lauridsen, Henrik; Nielsen, Jørgen G. (2021). "Bidenichthys okamotoi, a new species of the Bythitidae (Ophidiiformes, Teleostei) from the Koko Seamount, Central North Pacific". Journal of Marine Science and Engineering. 9 (12): 1399. doi: 10.3390/jmse9121399 . hdl: 10037/24089 .