Do electric eel have bones

Shark is to fish dolphin is to? What is Aquarium Sand? When were eels discovered? What is a hinky pinky for something that bullies fish? What eats shark eggs? What island is shaped like a giant sea horse? My harlequin rasbora stopped eating and has a red spot on his body behind his gill what is this? When does trout season start? Can tiger sharks turn their stomachs inside out? How do you tell the age of a Neon fish? Can you spell koi as c-o-y as in the fish and is it an abbreviation? Is the cleaner fish harmed by a relationship? Do fish hunt together? Why will the anglerfish most likely not become extinct? When did john white die? Do scallops come from shells? What is Monkfish in Polish? What color goes good with fluorescent yellow? Is a yellow tang fish a consumer producer or decomposer? Do earthworms lay eggs or give live birth?