Roughsnout whiptail (Coelorinchus lasti)

Scientific name: Coelorinchus lasti Iwamoto & Williams, 1999

The Roughsnout whiptail (Coelorinchus lasti) is a marine fish of the family Macrouridae. Native range: Eastern Indian Ocean, known only from the holotype and paratype taken off Western Australia and off the west coast of Tasmania.

Biology

Dorsal spines (total): 2. Snout moderately pointed, 1.4-1.6 times orbit diameter; anterolateral margin incompletely supported by bone; upper jaw slightly less than 1/3 HL; orbit 1.5-1.8 into postorbital length; subopercle produced into slender point ventrally, the tip protruding slightly beyond angle of preopercle. Color overall dark chocolate brown. Nasal fossa with small scales on anteroventral corner but otherwise naked. Spinules on body scales below dorsal interspace imbricate, broadly trihedral, with wide lateral buttresses, in 3-5 saw-toothed, divergent rows. Anus immediately anterior to anal fin; no external sign of light organ.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Coelorinchus lasti
Family
Macrouridae (Grenadiers or rattails)
Order
Gadiformes (Cods)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
62.0
Depth range
1140 m (3740 ft)
Environment
Marine; benthopelagic; depth range ? - 1140 m
Climate
Deep-water
Distribution
Eastern Indian Ocean: known only from the holotype and paratype taken off Western Australia and off the west coast of Tasmania.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Resilience
Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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