Question

    Which of the following is a cartilaginous fish?

    A Shark Correct Answer Incorrect Answer
    B Rohu Correct Answer Incorrect Answer
    C Salmon Correct Answer Incorrect Answer
    D Tuna Correct Answer Incorrect Answer

    Solution

    Cartilaginous fish in the class Chondrichthyes include the subclass elasmobranchs (sharks, skates, and rays) and the older subclass of holocephalins (chimeras and elephant fish). Cartilaginous fish are the oldest extant jawed vertebrates or gnathostomes.

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