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Mussel in Irish (Iascán): Meaning, Pronunciation, Usage

‘iascán’ also means: small fish

The Irish for mussel is iascán, a masculine noun (plural iascáin).
Updated October 2026Report a mistake

How to say “mussel” in Irish

Irish:
iascán
English:
mussel, small fish
Word type:
noun
Gender:
masculine, first declension
Pronunciation:
“EE-uhs-kawn”  /ˈiəskɑːn̪ˠ/
Various forms
Plural:
iascáin (mussels)
Genitive singular:
iascáin, an iascáin (e.g. blas an iascáin, the taste of the mussel)
Genitive plural:
iascán, na n-iascán (e.g. sliogáin iascán, mussel shells)

What does “iascán” mean?

“Iascán” has two alternative meanings. The most common comes first.

mussel
A shellfish with a dark blue-black hinged shell that clings to rocks by the sea.Also: blue mussel, shellfish.
1 other meaning: small fish
2small fish
A little fish; a diminutive of 'iasc'.Also: little fish, fishlet.

Other Irish words for mussel: diúilicín (mussel)

“Iascán” with the article

The plural of mussel in Irish is iascáin. Here is iascán after the article (an t-alt), in the singular and the plural.

an t-iascán
the mussel
Masculine nouns take t before a vowel after an
na hiascáin
the mussels
Plural: na adds h before a vowel

“Iascán” in a sentence: Irish examples

Common Irish sentences using iascán, the Irish word for mussel.

Fuair mé iascán ar an gcarraig.
I found a mussel on the rock.
Tá na hiascáin go deas le harán.
The mussels are lovely with bread.
Bhailigh na páistí iascáin ag lag trá.
The children gathered mussels at low tide.
Bhí an t-iascán dúnta go daingean.
The mussel was shut tight.
Is maith liom anraith iascán.
I like mussel soup.
Tá péarla beag san iascán seo.
There's a little pearl in this mussel.
Chonaic mé iascán beag sa linn.
I saw a little fish in the pool.

Other nouns in Irish

More everyday Irish nouns to learn next.

Mussel in Irish: frequently asked questions

What is the Irish for mussel?

The Irish for mussel is iascán (pronounced “EE-uhs-kawn”). It’s a masculine noun and the plural is iascáin. Depending on context it can also mean small fish.

How do you pronounce iascán in Irish?

Iascán is said like “EE-uhs-kawn” (IPA /ˈiəskɑːn̪ˠ/).

What is the plural of mussel in Irish?

The plural of iascán is iascáin; with the article, na hiascáin means “the mussels”. The genitive plural is iascán, as in sliogáin iascán (mussel shells).

Does iascán have more than one meaning?

Yes. Iascán can mean mussel or small fish, depending on context; the first is the most common.

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

Irish nouns beginning with a vowel take a prefix after certain words: an t-iascán (the mussel), a hiascán (her mussel), a n-iascán (their mussel), na hiascáin (the mussels).

Is 'iascán' the usual word for mussel?

Both 'iascán' and 'diúilicín' mean mussel; 'diúilicín' is very common in menus and shops, while 'iascán' is widely used in coastal speech.

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