Threaded sculpin (Gymnocanthus pistilliger) fish species and information / pictures of Threaded sculpin - Gymnocanthus pistilliger

Threaded sculpin (Gymnocanthus pistilliger) fish species information

Scientific Name
Gymnocanthus pistilliger

Common Name
Threaded sculpin

Biology
Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 13-16; Anal spines: 0; Anal soft rays: 14 - 18. A few bony plates usually present on median line of interorbital space (Ref. 559). Supraocular cirrus absent in adults (Ref. 559). Three pairs of bony tubercles on occiput (Ref. 559). Cleithral spine not developed (Ref. 559). In males, spatulate cirri present on pectoral axil (Ref. 559).

Classification

Classified By
Pallas, 1814
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Sculpins (Cottidae)

Distribution

Region
North Pacific
Distribution
North Pacific: Sea of Japan and the Sea of Okhotsk to the Chukchi Peninsula and Norton Sound, Alaska to Kiska Island in the Aleutian chain and southeastern Alaska.
Range
Unknown

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
325 m
Zone
demersal
Environment
Marine; demersal; depth range 0 - 325 m (Ref. 6793)
Trophic Level
3.06 s.e. 0.26 Based on food items.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
28.0 cm
Common Length
19.5 cm
Phylogenetic Diversity Index
PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries:
Vulnerability
Moderate vulnerability (41 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=9-10;k=0.2-0.4)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated