1) Fish 2) Malacopterygian 3) Snakefish 4) Soft-finned fish 1) Snakefish 
any of about 36 species of marine fish of the family Synodontidae, found primarily in the tropics. Lizardfish are elongated with rounded bodies and ...
USS Lizardfish was an American Balao Class submarine of 1525 tons displacement launched in 1944. USS Lizardfish was powered by diesel engines providing a top speed of 21 knots, carried a complement of 75 and was armed with one 4-inch gun, two 20 mm Oerlikon anti-aircraft guns; six 21 inch bow torpedo tubes and four 21 inch stern torpedo tubes.
[n] - tropical fishes with large mouths in lizard-like heads
snakefish noun tropical fishes with large mouths in lizard-like heads; found worldwide