Knowra Branchiopoda Branchiopoda Branchiopoda is a class of crustaceans with leaflike limbs used in swimming, feeding, or respiration. It includes brine shrimp, fairy shrimp, tadpole shrimp, and water fleas.
Phyllopodous limb : A flattened, leaflike arthropod appendage that can combine locomotion, feeding, and gas exchange. Branchiopods are named for their characteristic leaflike limbs.
Artemia : A genus of salt-lake brine shrimp whose dormant cysts are widely used as live feed in aquaculture. Its cysts make a branchiopod a practical food source for cultured fish and invertebrates.
Artemia salina : A species of brine shrimp inhabiting hypersaline waters and producing dormant cysts. It exemplifies adaptation to extreme salinity and commercial cyst production.
Copepoda : A class of small crustaceans with a single median eye and paired swimming antennae, common in aquatic plankton. Copepods swim chiefly with antennae rather than leaflike trunk limbs.
Branchiopod carapace : A shell-like covering found in several branchiopod groups, enclosing the trunk or much of the body. Its presence and form distinguish major branchiopod body plans.
Daphnia : A genus of small freshwater cladocerans commonly called water fleas. Daphnia is widely used to study freshwater ecology and toxicology.
Daphnia magna : A large freshwater water flea commonly used in laboratory studies of ecology and toxicology. Its visibility and sensitivity make it a standard experimental branchiopod.
Malacostraca : The largest crustacean class, including crabs, lobsters, shrimp, and woodlice. Its familiar, often heavily segmented body plans differ from branchiopod forms.
Anostraca : A branchiopod order of shrimp-like crustaceans that lack a carapace, including fairy shrimp and brine shrimp. Anostracans show a branchiopod form without a shell-like covering.
Ecotoxicology : The study of how chemicals and other pollutants affect organisms, populations, and ecosystems. Daphnia tests reveal how pollutants affect freshwater animals.
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