noun, plural (especially collectively) shell·fish, (especially referring to two or more kinds or species) shell·fish·es.
Examples from the Web for shellfish
Eat: The area is renowned for its cuisine, especially fish, shellfish, hearty rice dishes, and stews.Nine Amazing Places To Skinny Dip Around The World|Erin Cunningham|September 21, 2013|DAILY BEAST
However, the Spanish government says the cement blocks impaired Spanish fishermen from trolling the same waters for shellfish.
This disease is caused by naturally occurring toxins that are found in the tissue of some shellfish.Necrotizing Fasciitis, Blinding Larvae & More Scary Diseases|Casey Schwartz|May 18, 2012|DAILY BEAST
Blocks of ice were brought in and carved into a buffet table, from which an extravagant array of shellfish was served.
It smells like you're at sea: pure iodine and shellfish (it's amazing).
But the sea rolled over them, and in it lived a great variety of shellfish.Earth and Sky Every Child Should Know|Julia Ellen Rogers
A series of charts showing the shellfish areas of the State makes clear the description of the survey.
The present shellfish laws of the Commonwealth are alone to blame for this waste.
This ape is very fond of shellfish, and there is a certain kind of sand-crab that suits his palate exactly.The Little Gleaner, Vol. X.|Various
Decapod, dek′a-pod, n. one of the shellfish which have ten feet or claws, as the crab.