Posted by: Sandy Steinman | April 10, 2026

Tropical fish appears in Adriatic, puzzling Croatian scientists

Croatia Week

Scientists in Croatia have been left intrigued by the unexpected appearance of a tropical fish species in the northern Adriatic Sea, an area known for being among the coldest parts of the Mediterranean.

The discovery was made near the Kvarner region, where researchers are now investigating how the fish managed to reach the waters off the Croatian coast.

The Adriatic Sea is home to around 450 species of fish. However, increasing maritime traffic and rising sea temperatures are gradually introducing non-native species into the ecosystem.

Read more Tropical fish appears in Adriatic, puzzling Croatian scientists


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