Halfmoon grouper (Epinephelus rivulatus) fish species and information / pictures of Halfmoon grouper - Epinephelus rivulatus

Halfmoon grouper (Epinephelus rivulatus) fish species information

Scientific Name
Epinephelus rivulatus

Common Name
Halfmoon grouper

Biology
Dorsal spines (total): 11; Dorsal soft rays (total): 16-18; Anal spines: 3; Anal soft rays: 8

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
Indo-West Pacific
Distribution
Indo-West Pacific: East Africa to the western Pacific, southward into temperate waters of South Africa, Australia, and New Zealand. Not known from the Red Sea or Persian Gulf.
Range
36°N - 36°S, 23°E - 175°E

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
150 m
Zone
reef-associated
Environment
Marine; reef-associated; depth range 1 - 150 m (Ref. 9710)
Trophic Level
3.64 s.e. 0.54 Based on food items.
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
39.0 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: minor commercial
Vulnerability
Low to moderate vulnerability (27 of 100)
Resilience
High, minimum population doubling time less than 15 months (K=0.4)
Threat To Humans
  Harmless
IUCN Red List Status
  Least Concern (LC)