Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Pomacentridae
(Damselfishes) > Pomacentrinae
Etymology: Pomacentrus: Greek, poma, -atos = cover, operculum + Greek, kentron = sting (Ref. 45335). More on author: Bleeker.
Environment / Climate / Range
Marine; reef-associated; oceanodromous (Ref. 51243); depth range 2 - 40 m (Ref. 7247). Tropical; 30°N - 25°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.0 cm TL male/unsexed; (Ref. 48636)
Western Pacific: Indonesia to Vanuatu, north to the Ryukyu Islands, south to Scott Reef (eastern Indian Ocean) and New Caledonia. Recently recorded from Tonga (Ref. 53797).
An ubiquitous species found in lagoons, coastal reefs, passages and outer reef slopes. Inhabits sandy areas around coral or rock outcrops or other protective shelter. Adults are usually in small groups (Ref. 48636). Feed primarily on algae, but also takes zooplankton. Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205). Have been reared in captivity (Ref. 35404.
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Aquarium: public aquariums
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02570 (0.01615 - 0.04091), b=2.89 (2.12 - 3.94), based on LWR estimates for species & Genus-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.4 ±0.2 se; Based on diet studies.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (19 of 100) .