they are called plaqiod scales or dermal denticals.
cartilaginous fish are in fact very similar to humans in that we both take in oxygen and release carbon dioxide. the difference is that cartilaginous fish breathe through their gills (slits along neck) by contracting and relaxing.
Medium fishes eat small fishes as that's just part of the food chain.
shark, skate, or ray are the examples of cartilaginous fish, so usually members of this category are LARGE!
one of the many small platelike dermal or epidermal structures that characteristically form the external covering of fishes, reptiles, and certain mammals.
Yes, small fishes will eat shrimp as part of their diet.
Goldfish
Because fishes have small brains.
Bony fish have endoskeletons made from bone, and cartilaginous fish have endoskeletons made from cartilage, the same material found in the noses of humans. Cartilaginous fish do not have swim bladders, but bony fish do. Cartilaginous fish have placoid scales or are naked, and bony fish have cycloid or ctenoid scales or are naked. Both organisms have jaws, paired appendages, vertebrae, gills, fin, notochords, and a dorsal nerve tail that leads to a distinct brain.
capelin is a type of small fish
fishes are very small also
A small, toothlike, upward projection from the second vertebra of the neck around which the first vertebra rotates. Meaning it is located on the C2 which is the Axis.
Put them in separate tanks or put a divider in the tank.