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

Family:  Arhynchobatidae (Softnose skates)
Max. size:  33 cm WD (male/unsexed)
Environment:  demersal; marine; 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 July 2019 (A2bd) Ref. (130435)
Threat to humans:  harmless


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