Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 3 - 120 m (Ref. 57925), usually 15 - 35 m (Ref. 47838). Tropical
Southeast Atlantic: Saint Helena and Ascension islands.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL ذكر/ مختلط الجنس; (Ref. 4858)
الأشواك الظهرية (المجموع) : 12; الأشعة الظهرية الناعمة (المجموع) : 19; شوكة شرجية: 3; أشعه شرجية لينه: 15.
Occasionally encountered in shallower water in caves or at the bases of overhangs (Ref. 5288). Also occurs on seamounts (Ref. 057925). Usually occur in pairs, which browse over the rocky substratum in search of benthic invertebrates. Unknown to marine aquarium enthusiasts (Ref. 4858). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Form pairs during breeding (Ref. 205). Monogamous mating is observed as both obligate and social (Ref. 52884).
Maugé, L.A., 1990. Chaetodontidae. p. 837-840. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 6943)
IUCN Red List Status (Ref. 130435: Version 2024-2)
استخدامات بشرية
مصائد: تجاري; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [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).
مستوى غذائي (Ref.
69278): 3.5 ±0.37 se; based on food items.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
Nutrients (Ref.
124155): Calcium = 96.8 [49.3, 153.6] mg/100g; Iron = 0.82 [0.48, 1.39] mg/100g; Protein = 18.7 [17.5, 19.8] %; Omega3 = 0.14 [0.08, 0.24] g/100g; Selenium = 42.1 [22.7, 78.4] μg/100g; VitaminA = 49.3 [14.0, 173.4] μg/100g; Zinc = 1.33 [0.89, 1.91] mg/100g (wet weight);