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The Guardian, 3rd March 2021
A sound idea – One of the biggest threats to cetaceans is accidental bycatch in fishing nets. The La Plata or toninha dolphin (Pontoporia blainvillei), dates back a million years and is listed as vulnerable on the IUCN red list – its closest relative is the Amazonian pink river dolphin. Found in coastal and often shallow waters in Brazil, Uruguay and Argentina, these cetaceans are particularly at risk of becoming entangled in nets.
Unusually, one population of up to 80 of these small dolphins lives in the estuary of Babitonga Bay in south Brazil, where fishing is a key industry. A team of researchers at the Toninhas Project is using photo identification to monitor….