Other species including salmon, shrimp, lobster, clams, squid and crab, are also commercially fished. Species include tuna, shark, shrimp, mojarra and crab. Fish and other seafood such as crab and shrimp are very popular. They are also popular with seafood such as tuna, shrimp, crab, chopped octopus, and ceviche. Commercial fishermen specialize in oyster, blue crab, and shrimp. The seasoning is chiefly used to season crab and shrimp. The waters appeared to be dominated by crab and shrimp rather than fish. Often coconut cream is added to seafood curries, such as prawn, crab or fish curries. Tuvaluans also eat seafood, including coconut crab and fish from the lagoon and ocean. Its variations include beef, goat, chicken, titar, egg, fish, crab, prawn and vegetable biryani. Sapporo is also well known for fresh seafood including salmon, sea urchin and crab. The latter is particularly common for larger crabs, such as the snow crab. Shellfish include red king crab and snow crab. He also consumed mussels, crab, fish and slugs. There are over 300 species of fish and numerous shellfish and crab species.