Lonjica is a small island located off the coast of Croatia, in the Adriatic Sea. It is a popular diving destination due to its clear waters, abundant marine life, and variety of dive sites. The island is home to a number of shipwrecks, as well as caves, reefs, and walls. The marine life at Lonjica is diverse and includes fish, invertebrates, and coral. Some of the most common fish seen at Lonjica include damselfish, angelfish, butterflyfish, and wrasse. Invertebrates include octopus, squid, cuttlefish, and nudibranchs. Coral reefs can be found in shallow water around the island, and there are also a number of caves and tunnels that divers can explore.