Nauplius is a peer-reviewed open access scientific journal in the field of carcinology (crustacean research).

It is published by the Brazilian Crustacean Society (Sociedade Brasileira de Carcinologia).

The editor-in-chief is Christopher Tudge (American University).

The journal is abstracted and indexed in: According to the Journal Citation Reports, the journal has a 2020 impact factor of 0.610.

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