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Potamotrygon brachyura (Günther, 1880)

Short-tailed river stingray
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drawing shows typical species in Potamotrygonidae.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

板鰓亜鋼(サメとエイ類) (sharks and rays) > Myliobatiformes (Stingrays) > Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
More on author: Günther.

Issue
One of the largest species, reaching 30 kg in weight. Reproductive biology relatively unknown. References: Castex (1966), Castello (1975), Compagno & Cook (1995), Britski et al. (1999).

Environment: milieu / climate zone / depth range / distribution range 生態学

; 新鮮な水 底生の. Temperate

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

South America: Paraná-Paraguay (including Cuiabá river in Brazil), Uruguay basins and Argentina (Ref. 58839). Formerly classified as data deficient in the 2000 IUCN red list of threatened species (Ref. 36508).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 95.0 cm WD オス/雌雄の選別がない; (Ref. 36687); 最大公表体重: 208.0 kg (Ref. 72380)

生物学     用語集 (例 epibenthic)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター : Carvalho, Marcelo | 協力者

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)

IUCNのレッドリストの状況は (Ref. 130435)

  欠足データ (DD) ; Date assessed: 24 June 2003

CITES

Appendix III: International trade cooperation

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

水産業: 食糧水産
FAO - Publication: search | FishSource |

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インターネットの情報源

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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).
栄養段階 (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  非常に低い, １４年以上の倍増期間の最小個体群 (Assuming Fec<10).
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
価格帯 (Ref. 80766):   Medium.