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); malagasyensis: Named for old name of Madagascar, Malagasy, its type locality (Ref. 40958).
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 5 - 62 m (Ref. 40958). 热带; 1°N - 35°S, 25°E - 51°E (Ref. 57343)
Western Indian Ocean: Kenya, Mozambique, South Africa, and Madagascar. Likely to occur in Somalia and Tanzania.
西印度洋: 肯亚，莫桑比克，南非与马达加斯加。 或许出现在索马利亚与坦尚尼亚。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 14.9 cm SL 雄鱼/尚未辨别雌雄; (Ref. 40958)
简单描述
型态特徵 | 形态测量图
背棘 (总数): 9; 背的软条 (总数): 12-13; 臀棘 3; 臀鳍软条: 12; 脊椎骨: 24. With 6 pectoral filaments; uppermost not reaching to (or extending slightly beyond) posterior tip of pectoral fin. Pectoral fin, rays long, 21-26% of SL; fin base long, 10-12% 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).
6 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, 鳍条长又 21-26% 的 SL; 鳍的基底长的,10-12% 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)
Found in estuaries as well as offshore (Ref. 57343).
发现于河口了以及外海.(参考文献 57343)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
西印度洋: 肯亚，莫桑比克，南非与马达加斯加。 或许出现在索马利亚与坦尚尼亚。
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)
人类利用
渔业: 没有兴趣
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俗名同种异名新陈代谢捕食者生态毒物学繁殖成熟度产卵场产卵群集孕卵数卵卵的发育
年龄范围成长体长-体重体长-体长体长-频率形态测量图型态特徵仔鱼稚鱼动力学入添量丰度BRUVS
参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工NutrientsMass conversion
合作者照片Stamps, Coins Misc.声音神经毒速度泳型鳃区Otoliths脑重体重比眼睛色素
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Estimates based on models
Preferred temperature (Ref.
123201): 24 - 27.5, mean 26.4 °C (based on 50 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.00751 - 0.04023), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.5 ±0.5 se; based on size and trophs of closest relatives
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 (10 of 100).
