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Potamotrygon motoro (Müller & Henle, 1841)

South American freshwater stingray
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Potamotrygon motoro
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Singapore country information

Common names: [No common name]
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sn.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: NSS Vertebrate Study Group, 2014
National Database:

Common names from other countries

Classification / Names ชื่อสามัญ | ชื่อพ้อง | Catalog of Fishes(สกุล, ชนิด) | ITIS | CoL | WoRMS | Cloffa

sub class Elasmobranchii (ฉลามและกระเบน) (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 นิเวศวิทยา

; น้ำจืด กลุ่มสัตว์หน้าดิน,กลุ่มสัตว์พื้นท้องน้ำ; pH range: 5.0 - 6.0; dH range: 10 - ?; สัตว์น้ำจืดที่มีการอพยพอย่างแท้จริงภายในแหล่งน้ำจืดเท่านั้น (Ref. 51243).   Tropical; 24°C - 26°C (Ref. 2060)

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