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: Bleeker.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水 居于水底的; 深度上下限 2 - 55 m (Ref. 57343). 热带; 26°N - 23°S, 77°E - 168°E
Eastern Indian Ocean and Western Pacific: Tamil Nudu, India to Myanmar and Phuket, Thailand; then from Taiwan to Indonesia and New Caledonia.
东印度洋与西太平洋: 坦米尔人 Nudu ，印度到缅甸与泰国普吉岛; 然后从台湾到印度尼西亚与新加勒多尼亚。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3479); common length : 20.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3479)
背棘 (总数): 9; 背的软条 (总数): 12-14; 臀棘 3; 臀鳍软条: 11 - 12; 脊椎骨: 10 - 14. With 5 pectoral filaments; uppermost not reaching to (or extending slightly beyond) posterior tip of pectoral fin. Pectoral fin, rays short, 17-20% of SL; all rays branched except uppermost 1 or 2. Second dorsal spine long, 7-9% of SL. Well-developed swim bladder. A large black spot anteriorly on lateral line (Ref. 40958). Posterior margin of maxilla reaching to (or slightly short of) level of posterior margin of adipose eyelid. Lower tip of 7th proximal pterygiophore of 1st dorsal fin directed backwards. Lateral line squamation on caudal fin unbranched, extending to upper end of lower caudal fin lobe (Ref. 40970).
5 胸的丝状突起; 在最上不延伸到 (或延伸略超过) 胸鳍的后顶端。 胸鳍，鳍条短,17-20% 的 SL; 所有的鳍条除了最上面的 1 或 2 以外分枝了。 第二背鳍棘长的,7-9% 的 SL。 发展良好的泳鳔。 一个大的黑色斑点前面地在侧联机.(参考文献 40958) 延伸到 (或些微短的) 脂眼睑的后缘的水平的颚骨的后缘。 第一背鳍的第 7 近端支鳍骨的较低的顶端向后直接的。 在尾鳍上的侧线鳞片的排列不分枝的, 延伸至下尾部鳍叶的上端.(参考文献 40970)
Found in turbid coastal waters, estuaries and mangrove creeks, and in mangrove-lined rivers (Ref. 57343). Euryhaline (Ref. 12743). Feeds mainly on small crustaceans (especially shrimps), fishes and benthic organisms (Ref. 3479).
发现于混浊的沿岸水域，河口与红树林小溪了, 与在红树林林列的河中.(参考文献 57343) 广盐性.(参考文献 12743) 主要吃小型甲壳动物 (尤其虾) ，鱼与底栖的生物。 (参考文献 3479)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
东印度洋与西太平洋: 坦米尔人 Nudu ，印度到缅甸与泰国普吉岛; 然后从台湾到印度尼西亚与新加勒多尼亚。
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
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Estimates based on models
Preferred temperature (Ref.
123201): 26 - 29.1, mean 28.3 °C (based on 772 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00983 - 0.02676), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 3.9 ±0.0 se; based on diet studies.
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): Low vulnerability (15 of 100).
