Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Labridae
(Wrasses) > Corinae
Etymology: Stethojulis: Greek, stetho, stethion = brest; literal = to prick a little breast + Greek, ioulis, a fish dealing with genera Coris or Thalassoma (Ref. 45335). More on authors: Bloch & Schneider.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 0 - 20 m (Ref. 37816). Tropical; 10°N - 25°S
Indo-West Pacific: Red Sea, Maldives to Samoa and Palau, north to Tokara Island, Japan, south to Montague Island (Australia).
Length at first maturity / Size / Weight / Age
Maturity: Lm 9.0  range ? - ? cm
Max length : 15.0 cm TL male/unsexed; (Ref. 559)
Often found on exposed reefs with shallow clear water. Usually swim in loose groups along upper parts of drop-offs or above reef crests (Ref. 48636). May also be found solitary or in pairs (Ref. 90102). Minimum depth reported from Ref. 90102.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, distinct pairing during breeding (Ref. 205). Pelagic spawner (Ref. 32193).
Randall, J.E., 2000. Revision of the Indo-Pacific labrid fishes of the genus Stethojulis, with descriptions of two new species. Indo-Pac. Fish. (31):42 p. (Ref. 36378)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
Fisheries: subsistence fisheries; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 26.7 - 29.3, mean 28.7 (based on 1965 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00618 - 0.01945), b=3.08 (2.93 - 3.23), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.3 se; Based on diet studies.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (K>1).
Vulnerability (Ref. 59153
): Low vulnerability (13 of 100) .