Little is known about these river dolphins although they are frequently caught up and killed in fishing nets.
Body length: 1.3-1.7m, Weight: 30-53kg.
La Plata dolphins are greyish brown with a small head, rounded dorsal fin and forehead, and a very long slender snout.
La Plata dolphins are found in the La Plata delta and along the east coast of South America.
La Plata dolphins feed on fish, squid and crustaceans.
They are usually single, but groups of up to five have been seen.
La Plata dolphins are classified as Data Deficient by the 2000 IUCN Red List, but numbers are being depleted due to individuals becoming entangled in fishing nets.
Little is known about the habits of these dolphins.