11. They are characterized by deep, lateral compressed bodies and long dorsal fins. 12. The African butter catfish has a compressed body and an adipose fin is always present. 13. Like their close relatives the velvetfishes, they have compressed bodies and a velvety skin. 14. The redeye gaper has a rounded, slightly compressed body and a very large head. 15. It has a stout, laterally compressed body with a large head longer than deep. 16. The radiating stripes, compressed body whorl, and biangular periphery easily distinguished this shell. 17. The pycnodontiforms were small to middle-sized fish, with laterally-compressed body and almost circular outline. 18. All have paddle-like tails and many have laterally compressed bodies that give them an eel-like appearance. 19. A small, slender fish with an elongate and compressed body , and a depressed head with a pointed snout. 20. It can also be programmed to add more than 700 synthesized sounds that emerge out of speakers hidden in its compressed body .
