Word.ws English Dictionary

Plural of shellfish

irregular plural

The plural of shellfish is shellfish or shellfishes.

Forms of shellfish

Singularshellfish /ˈʃɛl.fɪʃ/
Pluralshellfish /ˈʃɛl.fɪʃ/
shellfishes
Countablecountable and uncountable

Meaning of shellfish

  1. noun A fisheries and colloquial term for an aquatic invertebrate having an inner or outer shell, such as a mollusc or crustacean, especially when edible.
  2. noun A culinary and nutritional term for several groups of non-piscine, non-tetrapod, aquatic animals that are used as a food source. The term often exclusively refers to edible aquatic crustaceans, bivalve mollusks and cephalopod mollusks; but sometimes echinoderms may be included as well.

Full definition of shellfish

Plural the same as the singular

Questions about the plural of shellfish

What is the plural of shellfish?
The plural of shellfish is shellfish or shellfishes.
Is shellfish countable?
Shellfish is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: shellfish (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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