Giant isopod - Wikipedia
网页A giant isopod is any of the almost 20 species of large isopods in the genus Bathynomus. They are abundant in the cold, deep waters of the Atlantic, Pacific, and Indian Oceans.
Giant isopods: curious crustaceans on the ocean floor
网页Giant isopods express deep-sea gigantism, reaching in excess of 30 centimetres. There are a number of theories on why they might have become larger. Giant isopods were first discovered in 1879 by French zoologist Alphonse Milne-Edwards in the Gulf of Mexico.
Isopoda - Wikipedia
网页Isopoda is an order of crustaceans. Members of this group are called Isopods and include both terrestrial and aquatic 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.
Meet the Giant Isopod of the Deep Sea - Ocean Conservancy
网页2023年9月21日 · The deep-sea isopod, or Bathynomus giganteus, is the biggest isopod species of this order, growing anywhere from 11 to 20 inches in length. This is thanks to deep-sea gigantism , a phenomenon in which deep-sea dwellers tend to be larger than their shallower-water or land-dwelling family members.
Sizing ocean giants: patterns of intraspecific size variation in …
网页2015年1月13日 · Though relatively abundant in the deep sea and common as bycatch in deep trawls, giant isopods are relatively understudied, with few body size measurements available. Holthuis & Mikulka (1972) catalogued all records of B. giganteus up through 1972, which forms the major basis of our dataset.
Giant isopod | Animals | Monterey Bay Aquarium
网页The giant isopod (Bathynomus giganteus) roams the deep seafloor feasting on fish carcasses and other debris that fall from above. Of thousands of species of isopods, it's the largest and among the most mysterious.
What is an isopod? - NOAA Ocean Exploration
网页Isopods are an order of invertebrates (animals without backbones) that belong to the greater crustacean group of animals, which includes crabs and shrimp. During the first dive of the Gulf of Mexico 2017 expedition on NOAA Ship Okeanos Explorer, we saw this giant deep-sea isopod, Bathynomus giganteus.
Evolution and phylogeny of the deep-sea isopod families
网页2021年10月13日 · In the deep sea, the phylogeny and biogeography of only a few taxa have been well studied. Although more than 200 species in 32 genera have been described for the asellote isopod families Desmosomatidae Sars, 1897 and Nannoniscidae Hansen, 1916 from all ocean basins, their phylogenetic relationships are not completely understood.
NOAA Ocean Explorer: Estuary to the Abyss
网页Isopods are one of the most morphologically diverse of all the crustacean groups. They come in many different shapes and sizes, from micrometers to a half meter in length. They also live in many different types of habitat, from mountains and deserts to the deep sea.
The Deep Ocean Giant Isopod Looks Like a Huge Roly-poly Bug
网页2022年6月7日 · Giant isopods look surprisingly similar to tiny, land-dwelling roly-polies, except their exoskeleton is brown or pale lilac in color. And like their roly-poly cousins, giant isopods can roll up into a ball and use their tough outer layer as a shield.