You can sponsor this page

Potamotrygon scobina Garman, 1913

Raspy river stingray
Upload your photos and videos
Pictures | Google image
Image of Potamotrygon scobina (Raspy river stingray)
Potamotrygon scobina
Picture by Crepaldi, D.V.


Brazil country information

Common names: Arraia, Raia
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: minor commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the middle and lower Amazon River, lower Tocantins River, Pará River, and Trombetas River (Ref. 36687). Reported from Santarém (Ref. 12202). Type locality, Rio Tocantins at Cametá, Pará (Ref. 33021).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ferreira, E.J.G., J. Zuanon and G.M. dos Santos, 1996
National Database:

Common names from other countries

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (hajar och rockor) (sharks and rays) > Myliobatiformes (Stingrays) > Potamotrygonidae (River stingrays) > Potamotrygoninae
Etymology: Potamotrygon: Greek, potamos = river + Greek, trygon = a sting ray (Ref. 45335).
  More on author: Garman.

Issue
Nothing is known about its reproductive biology. Additional references: Hartel & Dingerkus (1997), Ferreira et al. (1998), Compagno & Cook (1995).

Environment: milieu / climate zone / depth range / distribution range Ekologi

; sötvatten bentopelagisk; flodvandrande (Ref. 51243).   Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

South America: Middle and lower Amazon River, lower Tocantins River, Pará River, Trombetas River in Brazil.

Length at first maturity / Size / Vikt / Age

Maturity: Lm 39.0  range ? - ? cm
Max length : 54.7 cm WD hane/ej könsbestämd; (Ref. 94972); publicerad maxvikt: 15.0 kg (Ref. 27548)

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Fecundity: 1-4 pups; gestation takes 3-4 months (Ref. 52199).

Main reference Upload your references | referenser | Koordinator : Carvalho, Marcelo | Medarbetare

de Carvalho, M.R., N. Lovejoy and R.S. Rosa, 2003. Potamotrygonidae (River stingrays). p. 22-28. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36687)

IUCN Red List Status (Ref. 130435)

  Data deficient (DD) ; Date assessed: 30 April 2004

CITES (Ref. 128078)


CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fiskeri: mindre kommeriell
FAO(Publication : search) | FishSource |

Ytterligare information

Trophic ecology
Födoslag
Diet compositions
Food consumptions
Food rations
Predatorer
Ecology
Ekologi
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances
Life cycle
Reproduktion
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larver
Larvdynamik
Distribution
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
Gill areas
Hjärnstorlek
Otoliths
Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
Fiskljud
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetik
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Vattenbruksprofiler
Avelslinjer
Ciguatera cases
Stamps, coins, misc.
Outreach
Medarbetare
Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
Bilder
References
referenser

Verktyg

Special reports

Download XML

Internet-källor

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).
Trofisk nivå (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Assuming Fec. <10; tm=1.8; K=0.3 (in captivity).).
Fishing Vulnerability (Ref. 59153):  High vulnerability (58 of 100).
Price category (Ref. 80766):   Medium.