Potamotrygon motoro, South American freshwater stingray : fisheries, gamefish, aquarium

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相关物种
- 物种在
  Potamotrygon
- 物种在
  Potamotrygonidae
- - 分类 -
- Potamotrygoninae
- Potamotrygonidae
- Myliobatiformes
- Elasmobranchii
- Chordata
- Animalia

Potamotrygon motoro (Müller & Henle, 1841)

South American freshwater stingray

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Potamotrygon motoro
Picture by Murch, A.

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).
More on authors: Müller & Henle.

Issue
Authorship of species is credited to Müller & Henle (1841) and not Naterrer (who collected the type specimen) as in Rosa (1985a). A widespread species that may require further subdivision after more study. Studies of its reproductive biology indicate that females attain sexual maturity between 24 and 32 cm DW (males between 20 and 30 cm DW), and may produce from three to 21 embryos per gestation (Achenbach & Achencbach, 1976) or only six or seven (Thorson et al., 1983b; these differences may be populational). Larger specimens may weigh 10 kg. This species has been captively bred in aquaria, but is still the most comercially imported species by the aquarium industry. Additional references: Bertin (1939), Castex & Castello (1970b), Achenbach & Achenbach (1976), Thorson et al. (1983b), Sérét & McEachran (1986), Ortega & Vari (1986), Paepke & Schmidt (1988), Barriga (1991), Compagno & Cook (1995), Lasso et al. (1997a), Ferreira et al. (1998), Britski et al. (1999).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水底中水层性; pH range: 5.0 - 6.0; dH range: 10 - ?; 河川洄游 (Ref. 51243). 熱帶; 24°C - 26°C (Ref. 2060)

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

South America: Uruguay, Paraná-Paraguay, Orinoco, and Amazon River basins.
南美洲: 烏拉圭, Parana-巴拉圭，奧里諾科河與亞馬遜河流域。

大小 / 重量 / 年龄

Maturity: L_m ? range ? - ? cm
Max length : 50.0 cm WD 雄鱼/尚未辨别雌雄; (Ref. 36687); 最大体重: 34.2 kg (Ref. 85107)

Found in freshwater rivers. It is an extremely dangerous species. Maximum length reported in Axelrod et al., 1991 (Ref. 6398) is 100 cm TL.

发现于淡水的河了。它是一个非常危险的种。最大的长度在 Axelrod 等人报告。,1991(参考文献 6398) 是 100 公分TL。

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

16 pups were born by one female in captivity (Ref. 57489).南美洲: 烏拉圭, Parana-巴拉圭，奧里諾科河與亞馬遜河流域。

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

Ortega, H. and R.P. Vari, 1986. Annotated checklist of the freshwater fishes of Peru. Smithson. Contrib. Zool. (437):1-25. (Ref. 6329)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

数据缺失 (DD) ; Date assessed: 01 October 2005

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

引起创伤的 (Ref. 4716)

人类利用

渔业: 低经济; 游钓鱼种: 是的; 水族馆: 公众的水族馆

FAO - Publication: search | FishSource |

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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: 6.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies.

回复力 (Ref. 120179): 低的, 最小族群倍增时间4.5 - 14 年 (Fec=16).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (54 of 100).

价格分类 (Ref. 80766): Medium.

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