Tubenose goby Proterorhinus semipellucidus continues its spread in the Baltic Sea basin: first record from the temperate salmonid stream (Estonia)

Abstract

The capture of the non­-indigenous tubenose goby Proterorhinus semipellucidus in the Pada River (Baltic Sea basin) is reported. Previous records about the occurrence of this species in this region are restricted to the brackish coastal surf­-zone area. The finding implies that in the Baltic Sea region P. semipellucidus has started to invade from brackish coastal waters to freshwater tributaries of the Gulf of Finland.

Keywords

• biological invasions
• molecular analysis
• ponto­caspian gobies
• proterorhinus nasalis
• invasive species
• gulf of finland.