
Crustacean - Wikipedia
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 sessile (e.g. …
CRUSTATION Definition & Meaning - Merriam-Webster
The meaning of CRUSTATION is the act or process of forming a crust. How to use crustation in a sentence.
Definition, Characteristics, Evolution, & Facts - Britannica
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, lobsters, …
9 Characteristics of Crustaceans - Wildlife Informer
Dec 22, 2023 · Crustaceans are an important food source for humans and other animals, and they also play a role in the recycling of nutrients in aquatic ecosystems. Some species of crustaceans are …
Crustacean - Definition, Types, List, Anatomy, and Picture
May 15, 2024 · Crustaceans are mainly a group of free-living aquatic arthropods that belong to the subphylum Crustacea. This subphylum includes prawns, crabs, lobsters, shrimp, krill, barnacles, and …
Crustaceans - A-Z Animals
Oct 5, 2022 · Crustaceans are a large, diverse group of invertebrates of the phylum Arthropoda, whose classification also includes spiders, mites, scorpions and insects. Scientists believe that the number …
What Is A Crustacean? The Ultimate Guide To Crustaceans
Nov 25, 2019 · Crabs are the best-known crustaceans, but this large group of animals also includes lobsters, shrimps, barnacles, woodlice and many other related animals. On this page you’ll find out …
What are Crustaceans? – INHS Crustacean Collection
Crustaceans have evolved a variety of specialized body forms and behaviors to cope with both aquatic and terrestrial environments; however, all crustaceans share several characteristics: a hard …
CRUSTACEAN Definition & Meaning - Merriam-Webster
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 …
Crustacean - Anatomy, Adaptations, Diversity | Britannica
Dec 28, 2025 · Two different excretory organs are found among crustaceans: the antennal gland and the maxillary gland. Both have the same basic structure: an end sac and a convoluted duct that may …