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Dictionary-enhanced plural guide

What is the Plural of “Fish”?

Learn the singular and plural noun forms, the rule behind the plural, and examples that show the form in context.

SingularfishPluralfish or fishes
Rule: bothIPA: /fɪʃ/

Singular and Plural Form of Fish

Fish is the singular noun form. Fish or fishes is the plural form.

Dictionary meaning: A swimming animal that lives underwater and breathes through gills.

Why is the Plural of Fish “fish or fishes”?

The Both Plural Rule for Fish

This noun has an irregular plural form that does not follow standard English pluralization rules. Irregular form from corpus

Plural pattern: both.

How to Remember the Plural of Fish

Pair the two forms in your memory: fish (singular) ⇄ fish or fishes (plural). Say them together a few times.

A common slip-up: Sometimes pronounced with a long 'i' sound (/fiːʃ/) instead of short /ɪ/..

Singular vs Plural Examples with Fish

See fish and fish or fishes used in real sentences side by side.

  • The colorful fish swam through the coral reef. A1
  • We caught several fish during our morning at the lake. A1
  • Fish populations are declining due to overfishing and pollution. B1

Common Plural Mistakes with Fish

Wrong: There are five fishes in the aquarium.

Correct: There are five fish in the aquarium.

In most contexts, 'fish' serves as both singular and plural. Use 'fishes' only for multiple distinct species.

How to Pronounce Fish and Fish or fishes

Short 'i' sound like in 'sit', plus a 'sh' sound. Not like the letter 'F'.

Other Words With the Same Plural Pattern as Fish

These nouns follow the same both rule. Click any word to see its plural page.

Origin and Etymology of Fish

Old English fisc, from Proto-Indo-European *peisk- (fish).

Cultural note: Fish are central to many cuisines and cultures worldwide; fishing is both livelihood and recreation.

Frequently Asked Questions About the Plural of Fish

What is the plural of “fish”?

The plural of “fish” is “fish or fishes”.

Is “fish or fishes” regular or irregular?

This page classifies it as both based on the available plural data.

Explore “Fish” in Other Tools