Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 0 - 55 m (Ref. 26165), usually 5 - 35 m (Ref. 27115). Tropical; 22°C - 28°C (Ref. 27115); 35°N - 36°S, 24°E - 169°W
Indo-West Pacific: Red Sea and Natal, South Africa to Niue (Ref. 37816), north to Japan, south to Australia. Recorded from Europa Island (MNHN 1992-0508).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 15.0 cm TL mannelijk / geslacht onbekend; (Ref. 9710); 7.0 cm TL (female)
Dorsale stekels (totaal): 10; Dorsale zachte stralen (totaal): 15-17; Anale stekels 3; Anale zachte stralen: 6 - 7. Color patterns vary from one locality to another.
Adults are found above coral outcrops or patch reefs of clear lagoons, channels, or outer reef slopes. Form large aggregations. Feed on zooplankton (Ref. 6113). A protogynous hermaphrodite (Ref. 55367). Males are territorial and haremic (Ref. 9710). Color patterns and size of sexual transition very slightly from one locality to the next. Total length for females from Ref. 9137.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Pelagic spawner. A monandric species (Ref. 55367). Females are induced to change sex by removal of males from social groups (Ref. 38802). Sex-reversal is completed in 2-4 weeks after male removal in the area, or 170-280 days in an all female group (Ref. 34185, 34249, 34250). Length at sex change = 5.0 cm TL (Ref. 55367). Also Ref. 103751.
Successful males spawn nightly with successive females (Ref. 37816).
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
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