Smalleye cusk (Didymothallus mizolepis)

Scientific name: Didymothallus mizolepis G?nther, 1867

Smalleye cusk (Didymothallus mizolepis)

The Smalleye cusk (Didymothallus mizolepis) is a marine fish of the family Bythitidae. Native range: Indo-West Pacific, Australia.

Biology

Dorsal soft rays (total): 78-97; Anal soft rays: 57 - 73; Vertebrae: 40 - 45. This species is distinguished by the following characters: D 78-97; A 57-73, V in D 2.2-2.6; vertebrae 12-13+28-32=40-45; one (outer) pseudoclasper wing-shaped with 2 slender, straight supporters, the posterior one is slightly longer and thicker than anterior one; straight penis; 4-6 rows of scales on upper part of cheek, 0-2 rows on lower part; anterior tip of otolith rounded, otolith with undivided long sulcus, its centre anterior of centre of otolith, not inclined, otolith length to height, 2.2-2.3, otolith length to sulcus length, 1.9-2.1.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Didymothallus mizolepis
Family
Bythitidae (Viviparous brotulas)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
5.1
Environment
Marine; reef-associated
Climate
Tropical
Distribution
Indo-West Pacific: Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
High, minimum population doubling time less than 15 months (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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