分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 淡水; 半鹹淡水 居於水底的; 非產卵性溯降河的 (Ref. 51243). 熱帶
Indo-West Pacific: Red Sea and Mauritius to Indonesia. Also from Persian Gulf (Ref. 68964).
印度-西太平洋: 紅海與模里西斯到印尼。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 19.0 range ? - ? cm
Max length : 25.5 cm WD 雄魚/尚未辨別雌雄; (Ref. 121648); 31.0 cm WD (female); 最大體重: 590.00 g (Ref. 121648); 最大體重: 590.00 g
Disc width equal to disc length; tail shorter than body; ventral surface of disc entirely white (Ref. 12693).
體盤寬度等於體盤長度; 尾部短於身體; 體盤的腹面表面完全白色.(參考文獻 12693)
Found in inshore coastal waters (Ref. 30573). Typically found in estuarine habitats, but also reported from the Great Lake. The single record from the Great Lake may in fact refer to Dasyatis laosensis. Young and adults feed on benthic invertebrates (Ref. 12693). Ovoviviparous (Ref. 124). Feeds on bottom-living invertebrates (Ref. 68964). May grow to a maximum of 140 cm disc length in the sea (Ref. 43081). Juveniles may be present in mangroves (Ref. 43081).
發現於近海沿岸水域了。 (參考文獻 30573) 典型地發現於河口的棲息地了, 也記錄自五大湖。 單一記錄從五大湖可能事實上指的是 Dasyatis laosensis. 幼魚與成魚吃底棲的無脊椎動物。 (參考文獻 12693) 卵胎生的.(參考文獻 124) 在海洋中對 140 的極大可以生長公分體盤長度。 (參考文獻 43081) 稚魚可能是出現在紅樹林.(參考文獻 43081)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialised structures (Ref. 50449). Distinct pairing with embrace (Ref. 205).印度-西太平洋: 紅海與模里西斯到印尼。
Talwar, P.K. and A.G. Jhingran, 1991. Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam. i-liv + 1-541, 1 map (Ref. 4832)
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 26.4 - 29.2, mean 28.4 °C (based on 1288 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00905 - 0.02532), b=3.15 (3.00 - 3.30), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.37 se; based on food items.
Generation time: 1.9 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (K=0.59; Fec=1).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (42 of 100).
