Lancetfish, also known as alepisaurus, is a deepwater fish with a unique appearance and interesting habits. Synonyms for this fish include the longnose lancetfish, the scierra, and the sand pike. Its elongated body and sharp teeth make it a formidable predator, despite its small size. The lancetfish has been recorded at depths of up to 2,000 meters, where it feeds on squid, fish and crustaceans. Although not commonly caught for human consumption, the lancetfish is still fascinating to marine biologists for its ability to survive in such extreme environments. Its synonyms may not be as well-known as the lancetfish, but they still portray this elusive creature as a powerful and mysterious force of nature.