and function differ depending on the species of fish. There are five different categories of scales — placoid, cosmoid, ganoid, cycloid, and ctenoid — but most commonly eaten fish have cycloid ...

There are many types of fish and when you only see fillets ... Oily fish are round. To scale a fish, with the back of a knife scrap along the fish - tail to head. The scales will fly off so ...

Fish are a type of animal that live in water ... Not hard like a chicken, but soft and lots of them. Fish all have scales, even when they're newborn and tiny. But even though they may be small ...

Research suggests that the fish gradually lost its scales over time due to the specific environmental conditions in its cave ...

At first glance, the fish looked like another known ... 1,160-mile drive southwest of Beijing. The new species was identified by its body shape, scales, fin shape, coloring and other subtle ...