Dec 28, 2025 · crustacean, any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide. Crabs, …

Most crustaceans are free-living aquatic animals, but some are terrestrial (e.g. woodlice, sandhoppers), some are parasitic (e.g. Rhizocephala, fish lice, tongue worms) and some are …

Crustaceans are a large, diverse group of invertebrate animals within the phylum Arthropoda. Primarily aquatic, these creatures are found globally in various habitats and are recognized by …

What are Crustaceans? Crustaceans are invertebrate animals in the phylum Arthropoda, subphylum Crustacea, and include the barnacle, crab, crayfish, lobster, shrimp, water flea, and …

Crustaceans (subphylum Crustacea) comprise the group of arthropods (phylum Arthropoda) that includes the familiar crabs, lobsters, shrimps, barnacles, copepods, krill, water fleas, and crayfish.

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, …

(Not every organism with “bug” in its name is an insect.) Most crustaceans live in the ocean, and are one of the pillars of the global marine ecosystem. In much of the open ocean, the primary …

Nov 25, 2019 · Crustaceans are a highly-diverse group of arthropods. Because they have adapted to live in most marine habitats, they may be known as the ‘insects of the sea’.

The meaning of CRUSTACEAN is any of a large class (Crustacea) of mostly aquatic mandibulate arthropods that have a chitinous or calcareous and chitinous exoskeleton, a pair of often much …

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 …