Many-ray cusk (Microbrotula polyactis)

Scientific name: Microbrotula polyactis Anderson, 2005

The Many-ray cusk (Microbrotula polyactis) is a marine fish of the family Bythitidae. Native range: Western Pacific, Southern Philippines to northern Cape York Peninsula, Australia.

Biology

A species of Microbrotula distinguished by the following combination of characters: vertebrae 11?12 + 33?37 = 45?48; pectoral-fin rays 16?17; caudal-fin rays 7?8; lateral scale rows 47?50; dorsal-fin origin above vertebrae 7?8; anal-fin origin below vertebrae 14?15; orbit diameter 16.0?18.7% HL; fleshy interorbital width 20.0?24.4% HL; predorsal length 34.4?39.9% SL.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Microbrotula polyactis
Family
Bythitidae (Viviparous brotulas)
Order
Ophidiiformes (Cusk eels)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
4.0
Depth range
0–37 m (0–121 ft)
Environment
Marine; reef-associated; depth range 0 - 37 m
Climate
Tropical
Distribution
Western Pacific: Southern Philippines to northern Cape York Peninsula, Australia.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
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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