Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
Zebrafish is regular. It follows the -es Addition rule.
Use plural verbs: "The zebrafishes are ready" (not "is ready").
Yes. The plural zebrafishes is standard across all English variants.
The word zebrafish follows the standard English pluralization rule. When forming the plural, zebrafish becomes zebrafishes. This follows the -es Addition pattern, which is one of the most common plural rules in English.
Understanding why zebrafish becomes zebrafishes helps with spelling and pronunciation. Nouns ending in -s, -x, -z, -ch, or -sh add -es to form the plural. This makes the word easier to pronounce.
When using zebrafishes in writing, remember that it functions as a plural noun in sentences. It pairs with plural verbs and pronouns. For example: "The zebrafishes are ready" (not "is ready"). This subject-verb agreement is essential for grammatical correctness.