Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Pomacentridae
(Damselfishes) > Pomacentrinae
Etymology: Dascyllus: Greek, daskillys, -on = a kind of fish (Ref. 45335).
Environment / Climate / Range
Marine; reef-associated; non-migratory; depth range 5 - 40 m (Ref. 7247). Tropical
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm TL male/unsexed; (Ref. 4931)
Indian Ocean: East Africa (south to Delagoa Bay), Mauritius, Réunion, St. Brandon's Shoals, Comoro Islands, Seychelles, Aldabra Islands, Chagos Archipelago, Maldives, Sri Lanka, and Andaman Sea. Also occurs at the Seribu Islands, Java Sea.
Associated with branching corals on inshore and offshore reefs. They occur in small schools and feed on plankton (Ref. 48636). 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).
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
Fisheries: of no interest; aquarium: commercial
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01516 (-0.15937 - 0.18968), b=2.99 (2.90 - 3.09), based on LWR estimates for this family-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.7 ±0.29 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .