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Potamotrygon leopoldi Castex & Castello, 1970

White-blotched river stingray
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Potamotrygon leopoldi
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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).

Issue
Known from three specimens in collections, this species may be endangered because of high endemism (Rosa & Menezes, 1996). Reproductive biology unknown. Additional references: Walschaerts (1987), Compagno & Cook (1995).

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)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

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)

生物学特性     字汇 (例如 epibenthic)

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 Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

南美洲: Xingu 河流域 (Xingu 與壁畫河).

主要参考文献 Upload your references | 参考文献 | 合作者 : Carvalho, Marcelo | 合作者

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)

世界自然保护联盟红皮书 (Ref. 130435)

  次级保育类动物, 见 IUCN 红皮书 (VU) (A2bcd); Date assessed: 25 March 2022

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 商业性; 水族馆: 公众的水族馆
FAO - Publication: search | FishSource |

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Trophic ecology
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网络资源

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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
Generation time: 10.8 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
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).
价格分类 (Ref. 80766):   Medium.