Gray starsnout (Bathyagonus alascanus) fish species and information / pictures of Gray starsnout - Bathyagonus alascanus

Gray starsnout (Bathyagonus alascanus) fish species information

Scientific Name
Bathyagonus alascanus

Common Name
Gray starsnout

Biology
Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 5-7; Anal spines: 0; Anal soft rays: 6 - 8. Dorsal fins moderately developed and placed fairly close together; caudal rounded; anal fin originating about halfway below interspace between dorsal fins; pectoral fins with lower 5 0r 6 rays extending well beyond membrane; pelvic fins reduced (Ref. 6885). Greenish gray to light brown on dorsal surface, very light brown on ventral surface; 5 or 6 dark brown saddle-like markings across back and on sides; dark brown bars on dorsal and caudal fins; paired fins light (Ref. 6885).

Classification

Classified By
Gilbert, 1896
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Poachers (Agonidae)

Distribution

Region
Eastern Pacific
Distribution
Eastern Pacific: Bering Sea coast of Alaska to the Oregon-California border, USA.
Range
62°N - 42°N, 178°W - 120°W

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
18 m
Depth To - meters
252 m
Zone
demersal
Environment
Marine; demersal; depth range 18 - 252 m (Ref. 2850)
Trophic Level
3.19 s.e. 0.35 Based on size and trophs of closest relatives
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
13.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (25 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated