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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.
Giant isopods have been recorded in the West Atlantic from the US state of Georgia to Brazil, including the Gulf of Mexico and the Caribbean. [1] The four known Atlantic species are B. obtusus, B. miyarei, B. maxeyorum, and B. giganteus, and the last of these is the only species recorded off the United States.
Bathynomus vaderi can be up to 12.8 inches (0.325 m) in length and 2.2 pounds (0.997 kg) in weight, [4] and is one of the largest known species of isopods. [5] The species is predicted to have a similar habitat to the other giant isopod species Bathynomus jamesi .
The largest specimen in the study weighed more than 1 kilogram (2.2 pounds) and measured 32.5 centimeters long (12.8 inches), making B. vaderi one of the world’s largest known isopods.
As an example, T+ albino isopods are the result of an isopod being born without the ability to produce melanin, removing all black pigmentation. However, they are believed to be tyrosinase-positive (hence the T+), and therefore can still create some darker pigments such as brown and purple. T− albino isopods are thought to lack both melanin ...
It is a member of the giant isopods (Bathynomus), and as such it is related—albeit distantly—to shrimps and crabs. [2] It was the first Bathynomus species ever documented and was described in 1879 by French zoologist Alphonse Milne Edwards after the isopod was found in fishermen's nets off the coast of the Dry Tortugas in the Gulf of Mexico .
Hemilepistus reaumuri is a species of woodlouse or isopod that lives in and around the deserts of North Africa and the Middle East, "the driest habitat conquered by any species of crustacean, not including insects which are now known to be crustaceans pancrustacea". [3]
Trichorhina tomentosa, known informally as the dwarf white isopod, is a species of woodlouse in the family Platyarthridae. It is a parthenogenetic species, and only female individuals are known. Native to tropical regions throughout the Americas, dwarf white isopods have been introduced to other tropical regions worldwide.