Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Polydactylus: Greek, poly = a lot of + greek, daktylos = finger (Ref. 45335).
More on author: Gill.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋 居于水底的; 深度上下限 10 - 60 m (Ref. 91172). 亞熱帶的; 34°N - 7°S, 118°W - 77°W (Ref. 57343)
Eastern Pacific: Los Angeles Harbor in California, USA to off Paita, Peru; rare north of Baja California, Mexico.
東太平洋: 對外海的 Paita 的在美國加州中的洛杉磯港灣, 祕魯; 墨西哥的下加利福尼亞稀有北方。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 55763); common length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 55763)
背棘 (总数): 9; 背的软条 (总数): 11-13; 臀棘 3; 臀鳍软条: 12 - 14. Body and fins yellowish; no stripes or spots. Anterior parts of lower jaw with villiform teeth extending onto lateral surface, adjacent part of lip poorly developed in large specimens. Vomerine teeth present. Maxilla covered with small deciduous scales. Pectoral filaments 9. Lateral line unbranched, extending to upper end of caudal fin lobe. Swim bladder absent (Ref. 45049).
身体与鳍淡黄色的; 没有斑纹或斑点。 前部下颌有延伸到唇的侧面表面又毗连部份的绒毛状的齿在大的个体中发展不良的。 有锄骨齿。 颚骨覆盖着小的脱落性鳞片了。 胸的丝状突起 9. 侧线不分枝的, 延伸至上面的尾鳍末端叶。 泳鳔不存在。 (参考文献 45049)
Inhabits coastal waters and estuaries, on sand and mud bottom (Ref. 9332). Also found along sandy beaches (Ref. 57343). Esteemed food fish in the tropical eastern Pacific (Ref. 57343).
在沙子与泥底上, 栖息于沿岸水域与河口。 (参考文献 9332) 也发现沿着沙滩。 (参考文献 57343) 在热带的东太平洋中赞赏食用鱼。 (参考文献 57343)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
東太平洋: 對外海的 Paita 的在美國加州中的洛杉磯港灣, 祕魯; 墨西哥的下加利福尼亞稀有北方。
Motomura, H., S. Kimura and Y. Iwatsuki, 2002. Revision of the threadfin genus Polydactylus (Perciformes, Polynemidae) from the eastern Pacific Ocean. Ichthyol. Res. 49(4):358-366. (Ref. 45049)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
115969): 24.6 - 28.6, mean 27.2 (based on 32 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00383 - 0.01141), b=3.07 (2.92 - 3.22), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.51 se; based on food items.
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
