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Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are traditionally a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods, fish lice, krill ...
The blue crab, Callinectes sapidus was chosen as the state crustacean of Maryland in 1989. [17] C. sapidus is a crab found in the waters of the western Atlantic Ocean, the Pacific coast of Central America and the Gulf of Mexico. The blue crab may grow to a carapace width of 230 mm (9.1 in).
The freshwater crustacean is indigenous to the rivers of northern Australia and parts of Papua New Guinea. Sightings of the species in the Rio Grande Valley have sparked fear among some Texas ...
Abludomelita obtusata, an amphipod. Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods ...
Isopoda is an order of crustaceans.Members of this group are called isopods and include both aquatic species and terrestrial species such as woodlice.All have rigid, segmented exoskeletons, two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen that are used in respiration.
Males are typically smaller than females, and in some species, such as Emerita rathbunae, the minute males live attached to the legs of the female. [7] Females are around 8–37 mm (0.31–1.46 in) in carapace length, depending on the species, while males vary from a similar size to females in E. austroafricana , down to 2.5 mm (0.098 in ...
A recent study describes the newly discovered species of crustacean called Leucothoe eltoni after the famous entertainer. The lead author explains, "I named the species in honor of Sir Elton John ...
Some 33,000 species (only 13,000 of which are extant) have been identified, [2] grouped into 7 valid orders. [2] They are small crustaceans, typically around 1 mm (0.04 in) in size, but varying from 0.2 to 30 mm (0.008 to 1 in) in the case of the marine Gigantocypris.