Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Pomacentridae (Damselfishes) > Pomacentrinae
Etymology: Dascyllus: Greek, daskillys, -on = a kind of fish (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; non-migratory; depth range 0 - 20 m (Ref. 9710). Tropical; 38°N - 35°S, 19°E - 124°W

Length at first maturity / Size / Weight / Age

Maturity: L_m 5.0 range ? - ? cm
Max length : 10.0 cm TL male/unsexed; (Ref. 4391); common length : 6.0 cm TL male/unsexed; (Ref. 5450); max. reported age: 6 years (Ref. 72479)

Short description Morphology | Morphometrics

Dorsal spines (total): 12; Dorsal soft rays (total): 11-13; Anal spines: 2; Anal soft rays: 11 - 13. Color in life white with 3 black bars; a large brown spot on dorsal part of snout and interorbital; lips dusky or white; caudal fin pale; pelvic fins black; pectorals transparent. Margins of preorbital, suborbital, and preoperculum finely serrated.

Distribution Countries | FAO areas | Ecosystems | Occurrences | Introductions | Faunafri

Indo-West Pacific: Red Sea and East Africa to the Line, Marquesan and Tuamoto islands, north to southern Japan, south to Sydney, Australia.

Territorial, inhabit shallow lagoon and subtidal reef flats. Form large aggregations above staghorn Acropora thickets or in smaller groups above isolated coral heads. Feed on zooplankton, benthic invertebrates, and algae. Males invite females to spawn in their nests; protecting the eggs until they hatch and becoming very aggressive against other fish. Eggs hatch after 3-5 days; pelagic larvae feed on plankton (Ref. 5503). Oviparous, distinct pairing during breeding (Ref. 205). Used in behavioral study. Have been reared in captivity (Ref. 35412).

Main reference Upload your references | References | Coordinator : Allen, Gerald R. | Collaborators

Randall, H.A. and G.R. Allen, 1977. A revision of the damselfish genus Dascyllus (Pomacentridae) with description of a new species. Rec. Aust. Mus. 31(9):349-385.

IUCN Red List Status (Ref. 90363)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest; aquarium: commercial

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
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Ecology
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Common names
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Age/Size
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Internet sources

Estimates of some properties based on empirical models

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.02284 (-0.01485 - 0.06052), b=2.96819 (2.94367 - 2.99270), based on LWR estimates for this species (Ref. 93245).

Trophic Level (Ref. 69278): 2.5 ±0.2 se; Based on diet studies.

Resilience (Ref. 69278): Medium, minimum population doubling time 1.4 - 4.4 years (tmax=6; Fec=1,500-2,000).

Vulnerability (Ref. 59153): Low to moderate vulnerability (26 of 100) .

Price category (Ref. 80766): Unknown.

Dascyllus aruanus (Linnaeus, 1758)