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Molecular evidence refutes the hypothesis that skates and rays are derived sharks. [10] 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 majority of skates feed on bottom dwelling animals, such as shrimp, crab, oyster, clams, and other invertebrates. To feed on these animals they have grinding plates in their mouths. Skates are an influential part of the food webs of demersal marine communities. They utilize similar resources to those of other upper trophic-level marine ...
Raja clavata, the thornback ray (or thornback skate, roker), was named by Carl Linnaeus in the 10th edition of Systema Naturae in 1758, in the genus Raja of the Order Rajiformes in the Family Rajidae. [2] It is one of about 13 species of skate (family Rajidae) that are known from the North Sea and adjacent Atlantic waters.
A stingray injury is caused by the venomous tail spines, stingers or dermal denticles of rays in the order Myliobatiformes, most significantly those belonging to the families Dasyatidae, Urotrygonidae, Urolophidae, and Potamotrygonidae. Stingrays generally do not attack aggressively or even actively defend themselves. When threatened, their ...
Fruits, vegetables, seeds and beans are all essential parts of a well-balanced and healthy diet, but if these health gems are not consumed properly, they could be poisonous and detrimental to our ...
Caliraja rhina, commonly known as the longnose skate, is a species of skate in the family Rajidae from the northeast Pacific. It is found from the eastern Bering Sea and Alaska to Baja California and the Gulf of California. The longnose skate is found at depths of 9–1,069 m (30–3,507 ft) and often deeper than the big skate.
Strawberries are contaminated with pesticides, poisonous gases -- even after it's picked and washed. Hannah Kramer. Updated July 13, 2017 at 7:37 AM. Just because it's fruit, doesn't mean it's ...
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