shellfish


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

shellfish,

popular name for certain edible mollusks (see MolluscaMollusca
, taxonomic name for the one of the largest phyla of invertebrate animals (Arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the Cambrian period.
..... Click the link for more information.
), e.g., oysters, clams, and scallops, and for certain edible crustaceanscrustacean
, primarily aquatic arthropod of the subphylum Crustacea. Most of the 44,000 crustacean species are marine, but there are many freshwater forms. The few groups that inhabit terrestrial areas have not been particularly successful in an evolutionary sense; most require
..... Click the link for more information.
, e.g., crabs, lobsters, and shrimps. All are aquatic invertebrates with shells; they are not fish.

shellfish

[′shel‚fish]
(invertebrate zoology)
An aquatic invertebrate, such as a mollusk or crustacean, that has a shell or exoskeleton.

shellfish

any aquatic invertebrate having a shell or shell-like carapace, esp such an animal used as human food. Examples are crustaceans such as crabs and lobsters and molluscs such as oysters
References in periodicals archive ?
Today's Massachusetts shellfish constable has a more complex and varied role than had his predecessors.
Filter feeding shellfish such as cockles, mussels and oysters feed on microscopic algae that grow in the sea.
It was only four years ago that a 12-month ban on cockle picking, because of fears of a shellfish bug at Burry Inlet, near Llanelli, was lifted.
The toxins, known as paralytic shellfish poisoning (PSP) toxins, can cause numbness and drowsiness, loss of consciousness and respiratory failure.
Food and Drug Administration based its current limits for domoic acid in shellfish on levels that are assumed to be safe for adults.
We have to strictly prohibit harvesting, trading, consumption, and shipment of shellfish from this affected area,' said BFAR Regional Director Juan Albaladejo in a phone interview.
The Government is taking action to improve the health of the Hauraki Gulf by supporting the restoration of shellfish reefs and beds announced Minister for Conservation Eugenie Sage at a meeting of the Hauraki Gulf Forum in Auckland on Tuesday evening.
The BFAR said samples of shellfish gathered in these waters had traces of microorganisms causing paralytic shellfish poisoning.
Mussels, oysters, tuatua, pipi, toheroa, cockles, scallops, catseyes, kina (sea urchin) and all other bivalve shellfish should not be eaten.
The two areas were among those listed as infested with the toxins in the bulletin of the agency last month as it banned the people from eating all types of shellfish from the affected areas due to the high levels of paralytic shellfish poisoning (PSP).
"Water samples collected in the area were positive of Pyrodinium bahamense variety compressum, a microorganism that causes paralytic shellfish poisoning," Albaladejo said.
Moreover, the BFAR's Shellfish Bulletin 1, released by the Information and Fisherfolk Coordination Unit has added Cancabato Bay, Tacloban City in Leyte among areas that are positive for red tide toxin.