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Skates and rays both have pectoral fins that are flat and expanded, which are typically fused to the head. Both skates and stingrays typically have their eyes on top of their head. Skates also share similar feeding habits with rays.
Skates and rays are essentially flattened sharks, inhabiting deep and shallow waters across the world. As a rule, skates lay eggs (the famous ‘mermaid’s purses’) while rays give birth to live young, but unless you are lucky enough to witness either event, you will need to look at anatomy to tell the difference between them.
The monophyly of the skates, the stingrays, and the electric rays has long been generally accepted. Along with Rhinopristiformes , these comprise the four traditionally accepted major batoid lineages, as in Nelson's 2006 Fishes of the World .
The blue skate (Dipturus batis), also known as the grey skate or blue-grey skate, is a species of cartilaginous fish, a ray, belonging to the family Rajidae, the skates.
Both skates and rays are elasmobranchs, just like sharks, meaning they have skeletons made from soft cartilage rather than bone. There are 26 families of rays in four orders, which include the skates as well as stingrays, guitarfishes, sawfishes, and rhino rays.
27 mar 2015 · Sawfish That Saws Fish. Of the 500 known species of rays and skates, the ones both Paig-Tran and Burgess noted as the most unique are the sawfish.
31 sty 2018 · Skates and rays are easily distinguished from other fish by their disc-shaped, dorso-ventrally (i.e. from top to bottom) flattened bodies and expanded pectoral fins which attach to the sides of the head.
