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Acanthuriformes (Surgeonfishes) >
Pomacanthidae (Angelfishes)
Etymology: Genicanthus: Greek, geny, -yos = face, jaw + Greek, akantha = thorn (Ref. 45335).
Eponymy: Dr Masao Watanabe was a Japanese ichthyologist at the University of Tokyo. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; standorttreu; tiefenbereich 21 - 81 m (Ref. 9710). Tropical; 30°N - 28°S
Pacific Ocean: Taiwan to the Tuamoto Islands, north to the Ryukyu Islands, south to New Caledonia and the Austral Islands.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 15.0 cm TL Männchen/unbestimmt; (Ref. 9710)
Rückenflossenstacheln (insgesamt) : 15 - 16; Rückenflossenweichstrahlen (insgesamt) : 15 - 16; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 14 - 17. Males light blue with 8 black stripes on the lower 2/3 of the body (the posterior end of the uppermost yellow, the lowermost stripes extending the adjacent anal fin); females light blue with a vertical black bar above the eye and spots on the forehead; both sexes with a broad submarginal band on the dorsal and anal fins; females with broad submarginal band on the caudal-fin lobes.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Occurs in current-swept outer reef slopes and drop-offs (Ref. 4859). Feeds on plankton. Forms harems of 2-5 individuals. Occasionally exported through the aquarium trade (Ref. 48391).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Steene, R.C., 1978. Butterfly and angelfishes of the world. A.H. & A.W. Reed Pty Ltd., Australia. vol. 1. 144 p. (Ref. 4859)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell; Aquarium: Kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02951 (0.01298 - 0.06710), b=2.89 (2.70 - 3.08), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.4 ±0.45 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 to moderate vulnerability (29 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
High.
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Nährstoffe (Ref. 124155) |
Calcium = 77.5 [37.3, 119.0] mg/100g; Iron = 0.696 [0.415, 1.159] mg/100g; Protein = 18.2 [17.0, 19.3] %; Omega3 = 0.126 [0.074, 0.209] g/100g; Selenium = 27.6 [14.1, 54.4] μg/100g; VitaminA = 154 [43, 527] μg/100g; Zinc = 1.27 [0.85, 1.83] mg/100g (wet weight); |