Slaty goby Sleek lates Sleek mosquitofish Sleek unicornfish Sleeper cusk-eel Sleeper torpedo Sleepy cod Sleepy goby Slender anchovy Slender argentine Slender armorhead Slender bambooshark Slender barb Slender barracudina Slender bigscale Slender blaasop Slender blacksmelt Slender blenny Slender blindfish Slender bristlemouth Slender brotula Slender carp gudgeon Slender catshark Slender chub Slender clingfish Slender cockscomb Slender codling Slender conger Slender croaker Slender cuskeel Slender damsel Slender duckbill eel Slender dwarf monocle bream Slender eel goby Slender eelblenny Slender eelpout Slender electric ray Slender emperor Slender escolar Slender fangjaw Slender filefish Slender finless eel Slender fivefinger threadfin Slender frostfish Slender fusilier Slender giant moray Slender glassy Slender goby Slender grenadier fish Slender grouper