Question

$\mathtt\pink{Is \: an \: orca \: whale \: or \: a \: dolphin? } \\ \mathtt\pink{Is \: it \: a \: fish? \: }$
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Answer 1

Explanation:

Orcas (also known as killer whales) are marine mammals. They belong to the sub-order of toothed whales (known as odontocetes) but are also the largest member of the dolphin family.

Answer 2

While orcas are members of the marine dolphin family Delphinidali , their overall size is what sets them apart from other in their suborder . Today if a dolphin reaches a size of more than 30 feet long it may be referred to by some as a whale but the rules of taxonomy till classify the orca as a dolphin