Smooth alligatorfish (Anoplagonus inermis) fish species and information / pictures of Smooth alligatorfish - Anoplagonus inermis

Smooth alligatorfish (Anoplagonus inermis) fish species information

Scientific Name
Anoplagonus inermis

Common Name
Smooth alligatorfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 5-6; Anal spines: 0; Anal soft rays: 4 - 5. Dorsal fin small; caudal well rounded; anal small, under dorsal; pectorals with fleshy rays, the last 3 with ends free from membrane (Ref. 6885). Brown dorsally, brownish gray below; darker band from snout to base of pectoral; vertical dark bars on pectoral and oblique bars on dorsal fin formed by mottling, minute spots on anal, faint dark bars across body; caudal fin dark with light patches dorsal and ventral (Ref. 6885).

Classification

Classified By
G?nther, 1860
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Poachers (Agonidae)

Distribution

Region
North Pacific
Distribution
North Pacific: Bering Sea to Point Arena, northern California, USA. Korean records may be based on a different species (Ref. 27436).
Range
- 39°N

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
8 m
Depth To - meters
102 m
Zone
demersal
Environment
Marine; demersal; depth range 8 - 102 m (Ref. 2850)
Trophic Level
3.24 s.e. 0.52 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
15.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (27 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