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Giant isopods are a good example of deep-sea gigantism (cf. giant squid), as they are far larger than the "typical" isopods that are up to 5 cm (2.0 in). Bathynomus can be divided into "giant" species where the adults generally are between 8 and 15 cm (3.1 and 5.9 in) long and "supergiant" species where the adults are typically between 17 and ...
B. brucei is the largest 'giant' member of Bathynomus, a specimen collected 400 metres below sea level measuring 154 mm (6.1 in) long. [1] Members of the larger 'supergiant' group of Bathynomus species such as B. giganteus and B. kensleyi are known to grow to lengths of almost 20 in (510 mm).
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 ...
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 .
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.
[3] [4] This is large for an isopod, most of which are between 0.5 and 1.5 cm (0.2–0.6 in) in length. [5] It has two pairs of compound eyes, a large pair on the dorsal surface and a smaller pair on the ventral surface. Glyptonotus antarcticus has only five ommatidia, which is unusual for crustaceans and insects. [6]
Porcellio expansus (also known as the Giant Spanish Isopod [1]) is a species of detritivorous woodlouse in the genus Porcellio that can be found in northeast [2] Spain. [ 3 ] [ 4 ] They live from 3-5 years and reach sizes of 2.6–3.8 centimetres (1.0–1.5 in) [ 1 ] [ 5 ]
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 ...