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Acanthuriformes (Surgeonfishes) >
Chaetodontidae (Butterflyfishes)
Etymology: Chaetodon: Greek, chaite = hair + Greek, odous = teeth (Ref. 45335).
Eponymy: Karl Heinrich Mertens (1796–1830) was a German botanist, naturalist and explorer. [...] (Ref. 128868), visit book page.
More on author: Cuvier.
Environment: milieu / climate zone / نطاق العمق / distribution range
البيئة
بحري مرتبطة بالشعاب; غير مهاجرة; نطاق العمق 0 - 120 m (Ref. 1602). Tropical; 30°N - 33°S
Pacific Ocean: Ryukyu Islands to the Philippines and extending to Lord Howe, Rapa and Tuamoto islands. Replaced by Chaetodon madagascariensis in the Indian Ocean, Chaetodon xanthurus in southeast Asia, and Chaetodon paucifasciatus in the Red Sea (Ref. 37816).
الحجم / وزن / العمر
النضج: Lm ? range ? - ? cm
Max length : 12.5 cm TL ذكر/ مختلط الجنس; (Ref. 4859)
الأشواك الظهرية (المجموع) : 12 - 14; الأشعة الظهرية الناعمة (المجموع) : 21 - 23; شوكة شرجية: 3; أشعه شرجية لينه: 16 - 17. Body color is white with 4-5 chevron-shaped blackish bands on the sides. The posterior portion of the trunk, the adjacent dorsal and anal fins, and the posterior portion of the caudal fin are yellow. A vertical black bar runs (uninterrupted) across the eye (Ref. 4855). Snout length 2.3-3.0 in HL. Body depth 1.7-1.8 in SL (Ref. 90102).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabit deep lagoons and seaward reefs. Occur singly or in pairs. Feed on algae and small benthic invertebrates (Ref. 1602). Oviparous (Ref. 205). Form pairs during breeding (Ref. 205). May hybridize with C. xanthurus. Minimum depth reported taken from Ref. 128797.
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Distinct pairing (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p. (Ref. 1602)
IUCN Red List Status (Ref. 130435: Version 2025-1)
استخدامات بشرية
مصائد: غير مهمة تجارياً; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (مرجع
123201): 23.7 - 28.4, mean 26.8 °C (based on 202 cells).
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02239 (0.01426 - 0.03516), b=3.24 (3.11 - 3.37), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (مرجع
69278): 3.0 ±0.41 se; based on food items.
المرونه (مرجع
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).
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Nutrients (Ref.
124155): Calcium = 125 [63, 193] mg/100g; Iron = 0.954 [0.566, 1.634] mg/100g; Protein = 18.4 [17.2, 19.6] %; Omega3 = 0.135 [0.077, 0.235] g/100g; Selenium = 45.7 [23.5, 87.5] μg/100g; VitaminA = 44.8 [12.0, 164.6] μg/100g; Zinc = 1.68 [1.13, 2.46] mg/100g (wet weight);
![Image of Chaetodon mertensii (Mertens\](/images/thumbnails/jpg/tn_Chmer_u0.jpg "Image of Chaetodon mertensii (Mertens\")
