Plural of Trout

search our site by Craig Shrives

The Plural of Trout

The plural of "trout" is "trout."

• Trout are closely related to salmon.
• Young trout are referred to as troutlet, troutling or fry.

Are You Good at Plurals?

Here's a quick test.

Getting ready...

The Standard Rules for Forming the Plurals

The table below shows the standard rules for forming the plurals of nouns in English.

Type	Example of Type	Forming the Plural	Plural
Most Nouns	cat scythe	add s	cats scythes
Noun Ending s, sh, ch, x or z	bus dress	add es	buses dresses
Nouns ending [consonant] o	mango zero tomato	add either s or es (There are no rules for this - you have to know.)	mangoes or mangos zeros tomatoes
Nouns ending [vowel] o	patio ratio	add s	patios ratios
Nouns ending [consonant] y	story penny	change the y to an i and add es	stories pennies
Nouns ending [vowel] y	storey () donkey	add s	storeys donkeys
Nouns ending f or fe	dwarf knife	ves and/or s (There are no rules - you have to know.)	dwarfs knives
Exceptions	goose louse	some nouns undergo a vowel or letters change	geese lice
More exceptions	salmon trout	some nouns do not change at all	salmon trout

Read more about English spelling rules.

Why Is There Confusion over the Plural of Trout?

"Trout" is the only way to make the noun "trout" plural.

Confusion arises because "trout" remains unchanged in its plural form. Unfortunately, there is no clever way of knowing which nouns follow which rules. You have to know.

Ready for the Test?