Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Labridae
(Wrasses) > Corinae
Etymology: Hemigymnus: Greek, hemi = half + Greek, gymnos = naked (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; depth range 1 - 25 m (Ref. 90102). Tropical; 30°N - 30°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL male/unsexed; (Ref. 93095)
Indo-Pacific: Red Sea (Ref. 1602) south to Inhaca Island, Mozambique (Ref. 4392) and east to Tahiti.
Found mostly on coral reefs and reef flats to at least 20 m depth. Juveniles secretive on inshore reefs. Large adults swim openly on reefs, singly or in small loose aggregations (Ref. 48636). Feed mainly on small crustaceans, mollusks and echinoderms (Ref. 9823).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, with distinct pairing during breeding (Ref. 205).
Randall, J.E., 2013. Review of the Indo-Pacific labrid fish genus Hemigymnus. J. Ocean Sci. Foundation 6:2-18. (Ref. 93095)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: minor commercial; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278
): 3.5 ±0.37 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (35 of 100) .