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Gadiformes (Cods) >
Bregmacerotidae (Codlets)
Etymology: Bregmaceros: Greek, bregma = front of the head + Greek, keras, -atos = horn (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 海; 汽水性の; 海洋回遊性 (Ref. 51243); 深さの範囲 0 - 2000 m (Ref. 26165). Subtropical; 25°N - 6°N, 62°E - 100°E
Indian Ocean: confirmed from the Arabian Sea and Bay of Bengal. Reports from outside this area are most likely misidentifications (A.S. Harold, pers. comm., 18/08/98) and name reported from western Pacific may be a misidentification of B. pseudolanceolatus (Ref. 114229).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 9.6 cm SL オス/雌雄の選別がない; (Ref. 4496); common length : 7.0 cm SL オス/雌雄の選別がない; (Ref. 2872)
背面の脊椎 (合計): 0; 背鰭 (合計): 57-66; 肛門の骨 0; 臀鰭: 58 - 69; 脊つい: 52 - 58. Body is elongate, brownish and with speckling above and silvery below. The cheek and lower head also silver. Single occipital ray long and delicate, extending to near the middle of the second dorsal fin (Ref. 46075). Pelvic fins are jugular.
If taxonomy is correct, both onshore in brackish water and oceanic. According to larval survey, occurrence in the tropics is wide (Ref. 9902, 45075). Feed on planktonic crustaceans. Also caught with bagnets (Ref. 2872).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Cohen, D.M., 1990. Bregmacerotidae. p. 524-525. 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. 4496)
CITES (Ref. 118484)
Not Evaluated
Human uses
水産業: 商業
より多くの情報
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列Mass conversion
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
115969): 5.6 - 13.1, mean 8.8 (based on 755 cells).
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00157 - 0.00964), b=3.13 (2.91 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.42 se; Based on food items.
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Assuming tm=1).
弱み (Ref.
59153): Low vulnerability (10 of 100) .
