Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鳃亚纲 (鲨鱼与 鱼) (sharks and rays) >
Myliobatiformes (Stingrays) >
Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性; pH range: 6.0 - 6.8. 熱帶; 20°C - 25°C (Ref. 13614)
South America: Xingu River basin (Xingu and Fresco rivers).
南美洲: Xingu 河流域 (Xingu 與壁畫河).
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm 35.0, range 30 - 40 cm
Max length : 111 cm WD 雄鱼/尚未辨别雌雄; (Ref. 111518); 最大体重: 17.0 kg (Ref. 111518)
Buried in sand during day, hunting for benthic invertebrates during night (Ref. 13614).
埋藏在沙中在白天, 猎食在夜晚期间为底栖的无脊椎动物.(参考文献 13614)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
南美洲: Xingu 河流域 (Xingu 與壁畫河).
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
人类利用
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参考文献养殖养殖信息品种遗传学Electrophoreses遗传率疾病加工Mass 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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 低的, 最小族群倍增时间4.5 - 14 年 (tm=3-4; Fec=2 (in captivity)).
Fishing Vulnerability (Ref.
59153): High vulnerability (58 of 100).
