Fin's Fish Guide
The Ray (Rioraja agassizii) is a saltwater fish of the family Arhynchobatidae that grows up to 33 cm.
Southwest Atlantic; sandy, muddy and gravel bottoms of the continental shelf.
Description
The Rio skate is a skate of the family Arhynchobatidae from the south-western Atlantic off south-eastern South America. The species grows to about 33 cm and has a flat, rhomboidal pectoral disc with a short snout. It is a coastal species of sand, mud and gravel bottoms of the continental shelf. As a bottom hunter it feeds on small crustaceans, worms and small fishes. Reproduction is oviparous. Unlike stingrays a skate lacks a venomous tail spine. Owing to fishing and bycatch the species is listed as Vulnerable (VU) and is harmless to humans.
Frequently asked questions
How do you recognise the Ray?
The Ray has an irregular in shape body, is mainly brown and shows a plain pattern. Coastal skate of soft bottoms; lacks a venomous tail spine, vulnerable (VU) due to bycatch.
Where does the Ray live?
The Ray lives in the sea (marine waters) and is mostly found around sand or mud bottom. Southwest Atlantic; sandy, muddy and gravel bottoms of the continental shelf.
How big does the Ray get?
The Ray grows to a maximum of about 33 cm.
Is the Ray dangerous to humans?
No, the Ray is harmless to humans. None required: this species is harmless to humans.
Is the Ray edible?
The Ray is rarely eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Arhynchobatidae
Want the complete picture on the Ray?
Point your camera at the fish and Fin names the species in seconds. Free, and the Ray is one of 12,519 species in the app.