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Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: Hemitaurichthys: Greek, hemi = half + Greek, taureia = skin of bull + Greek, ichthys = fish (Ref. 45335).
More on author: Bennett.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser riff-verbunden; standorttreu; tiefenbereich 1 - 40 m (Ref. 90102). Tropical; - 28°S
Indian Ocean from East Africa and Oman to Andaman Sea and Indonesia (western Sumatra, and south-western Java).
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL Männchen/unbestimmt; (Ref. 5372)
Rückenflossenstacheln (insgesamt) : 12; Rückenflossenweichstrahlen (insgesamt) : 24 - 26; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 21.
Inhabit open water off the reef edge (Ref. 6113), to depths greater than 35 m (Ref. 9710). Form large schools. Feed on zooplankton and algae (Ref. 5503) above the reef (Ref. 5372). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205). Replaced by H. polylepsis at Christmas and Cocos-Keeling Islands (Ref. 90102).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Form pairs during breeding (Ref. 205).
Heemstra, P.C., 1986. Chaetodontidae. p. 627-632. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 5372)
IUCN Rote Liste Status (Ref. 130435: Version 2024-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell; Aquarium: Kommerziell
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29, mean 27.8 °C (based on 824 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01097 - 0.04568), b=3.01 (2.84 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.2 se; based on diet studies.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 96.7 [51.0, 151.9] mg/100g; Iron = 0.91 [0.53, 1.49] mg/100g; Protein = 18.5 [17.3, 19.6] %; Omega3 = 0.117 [0.069, 0.192] g/100g; Selenium = 33.1 [17.0, 64.2] μg/100g; VitaminA = 74.8 [22.8, 247.3] μg/100g; Zinc = 1.29 [0.85, 1.86] mg/100g (wet weight);