Rioraja agassizii (Müller & Henle, 1841)
Rio skate
Rioraja agassizii
photo by Bornatowski, H.

Family:  Arhynchobatidae (Skates)
Max. size:  33 cm WD (male/unsexed)
Environment:  demersal; depth range - 130 m
Distribution:  Southwest Atlantic: Espírito Santo, Brazil to Argentina.
Diagnosis:   
Biology:  A coastal species found on sand, mud or gravel bottoms (Ref. 26375). Feeds on crustaceans, mollusks and fishes (Ref. 26375). Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
IUCN Red List Status: Vulnerable (VU); Date assessed: 01 March 2007 (A4d) Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Garilao, Cristina V. - 26.01.99
Modified by: Bailly, Nicolas - 29.10.12

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