Question

Which word in the sentence is the predicate nominative?

A seahorse is a fish with a long snout and tail.

A.
snout

B.
seahorse

C.
tail

D.
fish

Answer 1

The word in the sentence that is predicate nominative is D. Fish, seahorse basically means fish.

Answer 2

'A fish' is the predicate nominative of your sentence as the verb is a copulative.