Animals & Birds

Q.  Which one of the following is a true fish as per the biological system of classification?

a. Silverfish
b. Jellyfish
c. Cuttlefish
d. Flying fish


ANSWER: See Answer
 
Cuttlefish or cuttles are marine animals of the order Sepiida. They belong to the class Cephalopoda, which also includes squid, octopuses, and nautiluses. Cuttlefish have a unique internal shell, the cuttlebone. Despite their name, cuttlefish are not fish but mollusks.

Jellyfish are soft-bodied, free-swimming aquatic animals with a gelatinous umbrella-shaped bell and trailing tentacles.
 

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