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Didemnum psammatodes
Image courtesy of Rosana M. Rocha, Universidade Federal do Paraná (UFPR), Brazil
Didemnum psammatodes
Taxonomic Group: Tunicates


Didemnum psammatodes is a colonial tunicate native to Northern Australia and other tropical and subtropical regions in the Indo-West Pacific. The presumed native range of D. psammatodes extends throughout East Africa to China, Japan, Fiji, Tonga, and New Zealand. It is introduced to the Atlantic where it was first recorded in Guadeloupe in 1980-1981. Since then it has been reported in several areas including Florida, Texas, Brazil, Panama, French Guiana, West Africa and others. It was probably transported to the Atlantic through shipping and hull fouling. No impacts have been reported in its introduced range.

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Fofonoff PW, Ruiz GM, Steves B, Simkanin C, & Carlton JT (2018)
National Exotic Marine and Estuarine Species Information System.
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