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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.
The Aegidae are a family of isopod crustaceans.The adults are temporary parasites of fish, feeding on their hosts' blood before dropping off to digest the meal. [1] They differ from members of the family Cirolanidae in having only three pairs of hook-like pereiopods, whereas in Cirolanidae all seven pairs of pereiopods are hooked. [2]
Euidotea durvillei, known commonly as the red seaweed isopod, ... The red seaweed isopod is a nocturnal grazer feeder, feeding on red seaweed. [3]
The isopod selects their habitat based on a trade-off between limiting predator risk and maximizing food intake. These benefits and costs are evaluated differently between sexes, therefore there is a difference in the microhabitat selection between sexes. [15] Additionally, there are temporal variations in microhabitat selection.
Porcellio laevis directly develop from yolky eggs. Both the eggs and juveniles develop within a brood pouch called a marsupium until the first juvenile stage. [6] [7] The use of the marsupium eliminates the need for there to be an external water source for early development since it is filled with fluid from the mother isopod.
The Socorro isopod is omnivorous, eating both plant material and other aquatic invertebrates. [7] They feed on blue-green algae and leaves or detritus from cottonwood. They also eat juniper, or mesquite trees, and dragonfly nymphs. [7] A large part of their diet is also made up by cannibalism. Healthy and uninjured isopods are sometimes ...
Pentidotea wosnesenskii is a marine isopod which lives on seaweed on rocky shores along the British Columbia and Washington coastlines, as far south as San Francisco. [2] It can often be found hiding under rockweed (Fucus distichus) in the intertidal zone, and can be found in depths up to 919 metres (3,015 ft). [3]
Sphaeromatidae is a family of isopods, often encountered on rocky shores and in shelf waters in temperate zones. [1] The family includes almost 100 genera and 619 known marine species (and about 65 in fresh water).