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Amphipoda (/ æ m ˈ f ɪ p ə d ə /) is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods (/ ˈ æ m f ɪ p ɒ d z /) range in size from 1 to 340 millimetres (0.039 to 13 in) and are mostly detritivores or scavengers.
Hyalella azteca is a widespread and abundant species complex of amphipod crustacean in North America. It reaches 3–8 mm (0.12–0.31 in) long, and is found in a range of fresh and brackish waters. It reaches 3–8 mm (0.12–0.31 in) long, and is found in a range of fresh and brackish waters.
Gammarus is an amphipod crustacean genus in the family Gammaridae.It contains more than 200 described species, making it one of the most species-rich genera of crustaceans. [2]
Gammarus acherondytes, the Illinois cave amphipod, is a species of crustacean in the family Gammaridae. The crustacean is endemic to the Illinois Sinkhole Plain of Monroe County and St. Clair County , in southwestern Illinois, including Illinois Caverns State Natural Area .
Gammarus desperatus, commonly known as Noel's Amphipod, is a species of small, amphipod crustacean in the family Gammaridae. Noel's Amphipod was formerly found at three sites in New Mexico, but it has since been extirpated from two of these sites. [1] Noel's Amphipod only survives within Bitter Lake National Wildlife Refuge. [1]
4.1 Habitat. 4.2 Trophic interactions. 4.3 Life history. 4.4 Traits associated with range expansion. ... Gammarus roeselii is a species of freshwater amphipod native ...
Stygobromus pecki, the Peck's cave amphipod, [2] is a rare species of crustacean found in four cavern areas of southwestern Texas (Comal Springs, Hueco Springs, Landa Park, and Panther Canyon) in the United States. [4] It is a federally listed endangered species in the United States [5] [6] and is also listed as Endangered on the IUCN Red List. [1]
Alicella gigantea is the largest species of amphipod ever observed, with some individuals reaching up to 34 centimetres (13 in) long. [2] [3] The average length of A. gigantea ranges from 72.5 to 141.0 millimetres, and its weight ranges from 4.2 to 45 grams. [4] Comparatively to other amphipods, the A. gigantea grows at a much faster rate. [4]