Sharks and their relatives have cartilage.
yes all fish have backbones, except for the fish that don't have backbones
all fishes have backbones
All fish have backbones.
Coho Salmon have backbones - as do all fish. They are all vertebrates.
All fish have backbones so they are all vertebrates.
All fish have backbones, all animals with backbones are vertebrates.
No! Fish, reptiles, birds, and amphibians all have backbones, but are not mammals.
All fish have backbones. They are vertibrates. There are jawless, cartilaginous, and bony fish, but all have a vertebrae.
Yes, backbones and ribs, like most fish.
Yes they do; they're mammals and all mammals are vertebrates (i.e. have backbones) as do all fish, reptiles, amphibians and birds too. :)
no......ice fishes do not have backbones.
clown fish,mudfish,catfish,seahorse