分類 / 名前
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Gadiformes (Cods) >
Bregmacerotidae (Codlets)
Etymology: Bregmaceros: Greek, bregma = front of the head + Greek, keras, -atos = horn (Ref. 45335).
Eponymy: Dr Edward D Houde is a fisheries scientist and oceanographer. [...] (Ref. 128868), visit book page.
Taxonomic Remarks
Based on juveniles which may represent more than one species, the validity of the species is doubtful (Torii, 2003, unpublished thesis) (H.Ho, pers.comm. 2/2017).
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
海 pelagic-neritic. Tropical
Western Atlantic: eastern Gulf of Mexico and the Caribbean Sea west of the Lesser Antilles.
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 1.6 cm SL オス/雌雄の選別がない; (Ref. 37039)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 40 - 44; 臀鰭: 41 - 46; 脊つい: 47 - 50. Body color limited to dark melanophores located on anterior half of body. Dorsal and anal fins are relatively short and symmetrical. Snout moderately acute. Terminal mouth with jaws slightly oblique and extends beyond anterior margin of pupil. Head length 21.3-25.5%; predorsal length 25.6-45.2%; body depth 13-16% of SL. Eye diameter 0.7-0.9 times the snout length and 0.9-1.3 times interorbital width. Head length 3.5-5.3 times interorbital width. Caudal fin has31-33 rays. Myomeres 44-47. Smallest larvae (1.7 - 3.5 mm SL) have large, stellate chromatophores at angle of jaw, scattered over hindbrain and at the base of 1st dorsal fin. Large larvae (5-10 mm SL) have additional chromatophores on midbrain, hindbrain, and on ventral surface of anterior half of visceral mass. Juvenile specimens have chromatophores scattered over anterior third of the body (Ref. 37039).
Body shape (shape guide): elongated; Cross section: compressed.
Maximum size given for a juvenile specimen which may be paedomorphic (Ref. 37039).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
McEachran, J.D. and J.D. Fechhelm, 1998. Fishes of the Gulf of Mexico. Volume 1: Myxiniformes to Gasterosteiformes. University of Texas Press, Austin. 1112p. (Ref. 37039)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
用具
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インターネットの情報源
モデルに基づく推定値
好ましい温度 (参照
123201): 17.3 - 27.1, mean 22.4 °C (based on 141 cells).
系統多様性指数 (参照
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).
栄養段階 (参照
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
漁業の脆弱性 (Ref.
59153): Low vulnerability (10 of 100).
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