分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Gadiformes (Cods) >
Macrouridae (Grenadiers or rattails)
Etymology: Coryphaenoides: Greek, koryphaina = dolphin fish + Suffix oides = similar to (Ref. 45335); acrolepis: From the Greek 'acros' meaning sharp and 'lepis' meaning scale (Ref. 6885).
More on author: Bean.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 深海底的; 非迁移的; 深度上下限 300 - 3700 m (Ref. 50550), usually 900 - 1300 m (Ref. 56476). 1°C - 4°C (Ref. 1371); 62°N - 28°N, 134°E - 115°W (Ref. 1371)
North Pacific: northern Japan to Okhotsk and Bering seas, south along North American coasts to northern Mexico.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 55.5, range 46 - 65 cm
Max length : 104 cm TL 雄鱼/尚未辨别雌雄; (Ref. 56527); common length : 46.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 56476); 最大体重: 3.0 kg (Ref. 56476); 最大年龄: 73 年 (Ref. 35883)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 2; 背的软条 (总数): 122; 臀棘 0; 臀鳍软条: 94. Head large, scaled completely except for a narrow ventrolateral strip on snout; eyes also large; snout short, pointed and with tubercular scales along its leading edge; chin with a small chin barbel. Body tapering to a point posteriorly from behind the insertion of the first dorsal-fin spine. Scales adherent, with 3 to 5 divergent rows of coarse spinules. Pyloric caeca 12 to 14. Overall color is gray to grayish-brown in young, turning to dark brown in adults; fins generally dark. Branchiostegal rays: 6-6 (Ref. 36385).
A benthopelagic mid-slope species, that appears to wander off slope bottoms into midwater (Ref. 1371). Adults feed on small fish, euphausiids, prawns, amphipods and cephalopods (Ref. 1371). Oviparous, with planktonic larvae (Ref. 36385).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
人类利用
渔业: 商业性
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Estimates based on models
Preferred temperature (Ref.
123201): 2.3 - 3.8, mean 2.4 °C (based on 174 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00141 (0.00085 - 0.00234), b=3.19 (3.04 - 3.34), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.8 ±0.54 se; based on food items.
Generation time: 45.8 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回复力 (Ref.
120179): 非常低的, 最小族群倍增时间超过14 年 (K=0.02-0.04; tmax=73).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (79 of 100).
Nutrients (Ref.
124155): Calcium = 11.1 [5.3, 31.5] mg/100g; Iron = 0.291 [0.136, 0.661] mg/100g; Protein = 16.4 [14.6, 18.1] %; Omega3 = 0.203 [0.082, 0.497] g/100g; Selenium = 33.6 [11.1, 135.0] μg/100g; VitaminA = 9.83 [1.59, 61.63] μg/100g; Zinc = 0.42 [0.24, 0.75] mg/100g (wet weight);