Acanthonus armatus

Acanthonus armatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Ophidiiformes
Family: Ophidiidae
Genus: Acanthonus
Günther, 1878
Species: A. armatus
Binomial name
Acanthonus armatus
Günther, 1878

Acanthonus armatus, the bony-eared assfish, is a bathypelagic species of cusk-eel found in tropical and sub-tropical oceans at depths of from 1,171 to 4,415 metres (3,842 to 14,485 ft). It has been found as far north as Queen Charlotte Sound off British Columbia's coast.[1] This species grows to a length of 37.5 centimetres (14.8 in) SL. It is the only known member of its genus.[2]

It holds the record for the smallest brain-to-body weight ratio of all vertebrates.[3]

References

  1. Mike Fuhrmann (14 January 2016). "Assfish goes on display at the Royal B.C. Museum in Victoria". CBC News. Retrieved 15 January 2016.
  2. Froese, Rainer and Pauly, Daniel, eds. (2014). "Acanthonus armatus" in FishBase. January 2014 version.
  3. Fine ML, Horn MH and Cox B (1987) "Acanthonus armatus, a Deep-Sea Teleost Fish with a Minute Brain and Large Ears" Proceedings of the Royal Society B, 230(1259)257-265.


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