Crustacean - Wikipedia
A shed carapace of a lady crab, part of the hard exoskeleton Body structure of a typical crustacean – krill The body of a crustacean is composed of segments, which are grouped into three regions: the …
Crustacean | Definition, Characteristics, Evolution, & Facts ...
Dec 12, 2025 · crustacean, any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide. Crabs, lobsters, …
What are Crustaceans? – INHS Crustacean Collection
What are Crustaceans? Crustaceans are invertebrate animals in the phylum Arthropoda, subphylum Crustacea, and include the barnacle, crab, crayfish, lobster, shrimp, water flea, and pill bug. Although …
What are Crustaceans? Most Important Characteristics to Know
Feb 9, 2025 · Crustaceans are a varied group of invertebrate organisms belonging to the phylum Arthropoda and subphylum Crustacea. They include common species such as barnacles, crabs, …
Crustacea (shrimps, crabs, lobsters, water fleas, and ...
Most crustaceans are free-living, but some are sessile and a few are even parasitic. Most use their maxillae and mandibles to take in food. The walking legs, including specialized chelipeds, may be …
What are Crustaceans? (with pictures) - AllTheScience
May 21, 2024 · Crustaceans are arthropods, like insects, but unlike their cousins, have primarily adapted to life in the oceans. The term "crustcean" comes from the Latin word crusta meaning "crust, shell, or …
Crustacean - New World Encyclopedia
Crustaceans (subphylum Crustacea) comprise the group of arthropods (phylum Arthropoda) that includes the familiar crabs, lobsters, shrimps, barnacles, copepods, krill, water fleas, and crayfish.