A small shark with spots. Its dorsal fins are straight or convex rear margins, and its anal fin is set very far back on a very long, thick tail. Its first dorsal fin origin is opposite or just behind the pelvic fin insertions, and it has lateral ridges on its body.
Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or “basket stars”.
An eel is any fish belonging to the order Anguilliformes, which consists of four suborders, 20 families, 111 genera and about 800 species. Most eels are predators.