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Fish in Irish (Iasc): Meaning, Pronunciation, Usage

‘iasc’ also means: to fish

The Irish for fish is iasc, a masculine noun (plural éisc).
Updated October 2026Report a mistake

How to say “fish” in Irish

Irish:
iasc
English:
fish
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“ee-usk”  /iəsk/
Various forms
Plural:
éisc (fish)
Genitive singular:
éisc, an éisc (e.g. blas an éisc, the taste of the fish)
Genitive plural:
iasc, na n-iasc (e.g. cineálacha na n-iasc, the types of fish)

What does “iasc” mean?

fish
An animal that lives in water, breathes through gills and swims with fins; also its flesh eaten as food.Also: seafood, catch.
Other entries for “iasc”

The same spelling has its own page as:

Other Irish words for fish: bradán (salmon), iasc (fish)

“Iasc” with the article

The plural of fish in Irish is éisc. Here is iasc after the article (an t-alt), in the singular and the plural.

an t-iasc
the fish
Masculine nouns take t before a vowel after an
na héisc
the fish
Plural: na adds h before a vowel

“Iasc” in a sentence: Irish examples

Common Irish sentences using iasc, the Irish word for fish.

An itheann tú iasc?
Do you eat fish?
Tá an t-iasc anseo an-bhlasta.
The fish here is very tasty.
Rug mé ar iasc mór inné.
I caught a big fish yesterday.
Bíonn go leor éisc san abhainn sin.
There are a lot of fish in that river.
Cheannaigh mé píosa éisc don dinnéar.
I bought a piece of fish for dinner.
Ithimid iasc ar an Aoine.
We eat fish on Fridays.
Tá mo chuid éisc san oigheann.
My fish is in the oven.

Other nouns in Irish

More everyday Irish nouns to learn next.

Fish in Irish: frequently asked questions

What is the Irish for fish?

The Irish for fish is iasc (pronounced “ee-usk”). It’s a masculine noun and the plural is éisc.

How do you pronounce iasc in Irish?

Iasc is said like “ee-usk” (IPA /iəsk/).

What is the plural of fish in Irish?

The plural of iasc is éisc; with the article, na héisc means “the fish”. The genitive plural is iasc, as in cineálacha na n-iasc (the types of fish).

Does iasc have more than one meaning?

Iasc also has its own entry as a verb meaning to fish.

Why does iasc sometimes have a t or h in front of it?

Irish nouns beginning with a vowel take a prefix after certain words: an t-iasc (the fish), a hiasc (her fish), a n-iasc (their fish), na héisc (the fish).

How do I say 'fishing' in Irish?

Use 'iascaireacht' for the activity, as in 'ag iascaireacht' (fishing), and 'iascaire' for a fisherman.

What is the Irish proverb about fish?

'Is fearr iasc beag ná bheith gan iasc' means a small fish is better than no fish at all.

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