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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