The sucking disc, characteristic of all remoras, is a highly modified spinous dorsal fin which is used to attach to whales, dolphins, sharks, rays, bony fish, turtles, and even ships.
(The sucking disc; is; a highly modified spinous dorsal fin which is used to attach to whales, dolphins, sharks, rays, bony fish, turtles, and even ships) (a highly modified spinous dorsal fin; is used; to attach to whales, dolphins, sharks, rays, bony fish, turtles, and even ships) (a highly modified spinous dorsal fin; to attach; )
The sucking disc a highly modified spinous dorsal fin a highly modified spinous dorsal fin
is is used to attach
a highly modified spinous dorsal fin which is used to attach to whales, dolphins, sharks, rays, bony fish, turtles, and even ships
to attach to whales, dolphins, sharks, rays, bony fish, turtles, and even ships