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Ovalentaria/misc (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335); yamakawai: Named for Takeshi Yamakawa (Kochi, Japan).
Eponymy: Takeshi Yamakawa (d: 1942) is a fish collecting specialist who is an ichthyologist at Kochi University (Japan). [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
دريايي وابسته به آب سنگ; تغييرات عمق 2 - 26 m (Ref. 94774). Subtropical
Western Pacific: Japan and the Philippines.
Size / Weight / سن
بلوغ: Lm ? range ? - ? cm
Max length : 13.1 cm SL جنس نر / بدون خواص جنسي; (Ref. 94774)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
خارهاي باله پشتي (کل) : 13 - 14; شعاع نرم باله پشتي (کل) : 11 - 13; خارهاي باله مخرجي: 2; شعاع نرم باله مخرجي: 10 - 12. This species is distinguished by the following characters: D XIII-XIV,11-13 (mode XIII, 12); A II,10-12 (11); pectoral fin rays 17-21 (19); principal caudal fin rays 15; spiniform caudal fin rays 2; scale rows in longitudinal series 21-27 (26); tubed scales in lateral line 16-21 (19); scale rows above lateral line 3, below lateral line 9-10 (9); gill rakers 6-9 (7) + 20-25 (23) = 27-33 (30); smooth preopercular margin; caudal fin is deeply forked and without prolonged filaments; basal width of the pelvic fin axillary scale 1.7-2.8% of SL; basal width of scale between the pelvic fin bases is 2.2-3.9% of SL; distinct black blotch covering the upper two-thirds of pectoral fin base in juveniles and covering entire fin base in adults; absence of white spot at the end of dorsal fin base; no distinct markings on caudal peduncle; colour of caudal fin yellowish without dark band along each fin lobe (Ref. 94774).
Body shape (shape guide): short and / or deep; Cross section: compressed.
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | تخم ها | Fecundity | توزاد ( لارو)
Iwatsubo, H. and H. Motomura, 2013. Redescriptions of Chromis notata (Temminck and Schlegel, 1843) and C. kennensis Whitley, 1964 with the description of a new species of Chromis (Perciformes: Pomacentridae). Spec. Div. 18:193-213. (Ref. 94774)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-1)
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: معاش ماهیگیری
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Phylogenetic diversity index (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01820 (0.00804 - 0.04119), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (مرجع
69278): 3.0 ±0.1 se; based on size and trophs of closest relatives
جهندگی (مرجع
120179): زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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