Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; standorttreu; tiefenbereich 4 - 55 m (Ref. 30874). Tropical; 32°N - 32°S
Western Pacific: Christmas Island in the eastern Indian Ocean to Fiji, north to southern Japan, south to Scott Reef (eastern Indian Ocean) and Lord Howe Island. Uncommon around oceanic islands (Ref. 9710).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 19.0 cm TL Männchen/unbestimmt; (Ref. 9710); max. veröff. Alter: 6 Jahre (Ref. 11318)
Rückenflossenstacheln (insgesamt) : 14; Rückenflossenweichstrahlen (insgesamt) : 15 - 16; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 16 - 17. Overall black with an elongate vertical black blotch on the middle of the upper sides. When small, mainly black with a white bar; the white bar changes to a central blotch and varies greatly in shape and size (Ref. 48636). Dorsal and anal fins with submarginal blue line; most of the pelvic and the anterior portion of the anal fin yellow. Caudal fin with submarginal blue line (Ref. 1602). Body depth 1.8-2.0 in SL. Scales longitudinal series 45-48 (Ref. 90102).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Relatively uncommon in mixed coral and rubble areas of lagoon and seaward reefs. The largest member of the genus (Ref. 1602). Feeds mainly on algae. Forms harems of 3-7 individuals. Frequently exported through the aquarium trade (Ref. 48391).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Sex reversals are completed in 29-35 days (Ref. 34253).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Aquarium: Kommerziell
Tools
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 24.5 - 29, mean 28.1 °C (based on 884 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.03548 (0.01964 - 0.06409), b=2.85 (2.70 - 3.00), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 2.8 ±0.35 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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Nährstoffe (Ref.
124155): Calcium = 67.1 [34.1, 106.2] mg/100g; Iron = 0.602 [0.372, 0.980] mg/100g; Protein = 18.2 [17.0, 19.3] %; Omega3 = 0.109 [0.069, 0.172] g/100g; Selenium = 28.9 [16.3, 52.2] μg/100g; VitaminA = 83.2 [22.8, 285.7] μg/100g; Zinc = 1.48 [1.03, 2.10] mg/100g (wet weight);