Longfin grouper (Epinephelus quoyanus) fish species and information / pictures of Longfin grouper - Epinephelus quoyanus

Longfin grouper (Epinephelus quoyanus) fish species information

Scientific Name
Epinephelus quoyanus

Common Name
Longfin grouper

Biology
Inhabits inshore silty reefs; there are no records from depths greater than 50 m. Feeds on crustaceans, fishes, and worms. The enlarged fleshy pectoral fins appear to have resulted from its habit of sitting on the substrate.

Classification

Classified By
Valenciennes, 1830
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Sea basses: groupers and fairy basslets (Serranidae)

Distribution

Region
Western Pacific
Distribution
Western Pacific: Japan to Australia. Unknown from the Indian Ocean except for the Andaman Islands record (as Serranus merra). Unreported from islands of Micronesia, Melanesia and central Pacific. Often misidentified as Epinephelus macrospilos or Epinephelus hexagonatus.
Range
35°N - 32°S, 110°E - 156°E

Environment

Climate
Tropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
50 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range ? - 50 m (Ref. 5222)
Trophic Level
4.02 s.e. 0.71 Based on diet studies.
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
True
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
40.0 cm
Common Length
Unknown 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
Fisheries: commercial
Vulnerability
Moderate vulnerability (36 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Reports of ciguatera poisoning (Ref. 30298)
IUCN Red List Status
  Least Concern (LC)