Pacific spiny lumpsucker (Eumicrotremus orbis)

Scientific name: Eumicrotremus orbis G?nther, 1861

Pacific spiny lumpsucker (Eumicrotremus orbis)

The Pacific spiny lumpsucker (Eumicrotremus orbis) is a marine fish of the family Cyclopteridae. Native range: North Pacific, Chukchi Sea and Sea of Okhotsk to Muroran, Hokkaido (Japan), Amchitka Island in the Aleutian chain and Puget Sound, Washington, USA.

Biology

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 9-11; Anal spines: 0; Anal soft rays: 8 - 10. Caudal narrow and rounded; pectorals with a long base extended to ventral surface, all rays slightly exserted, ventral ones more so; pelvic fins with rays ossified and modified to support all of a large adhesive disc with thickened fringed margin. Light to dark green, sometimes light brown dorsally; light brown or plum ventrally; lips lavender; tubercles in males dull orange or reddish brown; tubercles in females are larger and more numerous and pale green.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Eumicrotremus orbis
Family
Cyclopteridae (Lumpfishes)
Order
Scorpaeniformes (Scorpionfishes and Flatheads)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
18.0
Depth range
0–575 m (0–1886 ft)
Environment
Marine; demersal; depth range 0 - 575 m
Climate
Temperate
Distribution
North Pacific: Chukchi Sea and Sea of Okhotsk to Muroran, Hokkaido (Japan), Amchitka Island in the Aleutian chain and Puget Sound, Washington, USA.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries:
Resilience
Medium, minimum population doubling time 1.4 - 4.4 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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