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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)