The Robinson Library
Orangespot Freshwater Stingray
(Ocellate River Stingray)

Potomotrygon motoro

Orangespot Freshwater Stingray

Description

The body of an average adult measures about 12 inches long, and its tail adds another 8 inches. The barbed spine at the end of the tail produces a nasty venom which can cause severe pain to those unfortunate enough to disturb one of these normally placid animals.

Distribution and Habitat

This species is found in the shallower waters of the Amazon River Basin.

Diet

Worms, crustaceans, and mollusks that live in the mud of the river bottom make up the principal parts of this stingray's diet.

Reproduction

Up to 12 live young are born per litter. Baby stingrays are miniature versions of adults, complete with stinger.

Scientific Classification

phylum Chordata
subphylum Vertebrata
class
Chondrichthyes
subclass Elasmobranchii
order
Rajiformes
family Potamotrygonidae
genus & species Potomotrygon motoro

Questions or comments about this page?


Sedgwick County Zoo. www.scz.org/animals/s/stngray.html

The Robinson Library--Science.--Zoology.--Chordates. Vertebrates.--Class Chondrichthyes.--Order Rajiformes.

This page was last updated on 06/20/2008.