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Gadiformes (Cods) >
Bregmacerotidae (Codlets)
Etymology: Bregmaceros: Greek, bregma = front of the head + Greek, keras, -atos = horn (Ref. 45335); retrodorsalis: Name from Latin 'retro' for back or behind, and 'dorsum' for upper side of an animal, e.g. dorsal-fin in a fish; referring to the backward position of second dorsal fin.,.
محیط زیست: محیط زیست / منطقه آب و هوایی / تغييرات عمق / محدوده توزیع
بوم شناسي
دريايي pelagic-neritic; تغييرات عمق 10 - 455 m (Ref. 123139). Subtropical
Western Pacific: southern Japan (Tosa Bay) to Wallis & Futuna, Vanuatu, Fiji, New Caledonia, and Chesterfield.
اندازه / وزن / سن
بلوغ: Lm ? range ? - ? cm
Max length : 6.4 cm SL جنس نر / بدون خواص جنسي; (Ref. 123139)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
شعاع نرم باله پشتي (کل) : 52 - 57; شعاع نرم باله مخرجي: 58 - 63; مهره ها: 55 - 58. This species is distinguished by the following characters: orgin of second dorsal-fin well posterior, above bases of 5th to 7th anal-fin rays; snout pointed distinctly longer than eye diameter; upper lobe of the opercle branched distally; body is relatively slender, its depth 10.0-13.0% SL; principal caudal-fin rays 13 (middle 11 branched); D2 52.57; A 58-63; transverse scale rows below orgin of second dorsal-fin 16-18; longitudinal scale rows along body axis 86-93; vertebrae 55-58; the entire body evenly covered with melanophores, those on lateral sides forming regular longitudinal rows, one melanophores per scale; head and isthmus are entirely, but loosely, covered with variably sized melanophores (Ref. 123139).
Cross section: compressed.
The depth range suggests diel vertical migration in Tosa Bay (Ref. 123139).
چرخه زندگی و رفتار جفتگیری
بلوغ | تولید مثل | تخم ریزی | تخم ها | باروری | توزاد ( لارو)
Ho, H.-C., H. Endo and T.-W. Chu, 2020. A new species of the codlet genus Bregmaceros from the western Pacific Ocean (Gadiformes: Bregmacerotidae). Zootaxa 4786(4):565-573. (Ref. 123139)
وضعيت در فهرست قرمز IUCN (Ref. 130435: Version 2025-2 (Global))
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
تخمینها بر اساس مدلها
شاخص تنوع فیلوژنتیکی (مرجع
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00372 (0.00167 - 0.00826), b=3.18 (2.98 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
سطح تروفیک (مرجع
69278): 3.2 ±0.3 se; based on size and trophs of closest relatives
آسیبپذیری ماهیگیری (Ref.
59153): Low vulnerability (10 of 100).
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