Longfin scorpionfish (Scorpaena agassizii) fish species and information / pictures of Longfin scorpionfish - Scorpaena agassizii

Longfin scorpionfish (Scorpaena agassizii) fish species information

Scientific Name
Scorpaena agassizii

Common Name
Longfin scorpionfish

Biology
Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. Occipital pit present; two spines on a part of preorbital overlapping maxilla; supplemental preopercular spine present; no dark spot on inner basal part of pectoral fin; eye large, 1.5-2.2 times of snout length; pectoral fin long reaching end of anal fin in adults (Ref. 13608).

Classification

Classified By
Goode & Bean, 1896
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Scorpionfishes or rockfishes (Scorpaenidae)

Distribution

Region
Western Atlantic
Distribution
Western Atlantic: North Carolina, USA and northern Gulf of Mexico to northern South America.
Range
37°N - 7°N

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
46 m
Depth To - meters
275 m
Zone
demersal
Environment
Marine; demersal; depth range 46 - 275 m (Ref. 7365)
Trophic Level
3.62 s.e. 0.58 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
20.0 cm
Common Length
15.0 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate vulnerability (37 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Venomous
IUCN Red List Status
  Not Evaluated