Isopods are a large and diverse order of malacostracan crustaceans (Phylum Arthropoda) with 10 named suborders. They are common throughout the world being found in marine, brackish, and fresh water environments, and on land (the Oniscidea). There are over 10,000 species, of which about 4,500 are marine. Isopods generally have two pairs of antennae, seven pairs of jointed limbs on the thorax, and five pairs of branching appendages on the abdomen. They are an important component of ecosystems as intermediate links in food chains being detritivores and browsers, as well as, prey items for larger invertebrates, fish, birds and whales. They are found in a variety of habitats including rocks, algal beds, mud, sand, and driftwood. Many of the isopods in NEMESIS have been introduced as part of the fouling community on recreational boats, commercial ships, and aquaculture imports. The impacts of exotic isopods are varied, with many having no reported impact, but some species are borrowers and erode wooden maritime structures (e.g. docks and pilings) and marsh banks.

Species List

Asellus hilgendorfii
Caecidotea racovitzai
Caecijaera horvathi
Dynoides dentisinus
Eurylana arcuata
Gnorimosphaeroma rayi
Halophiloscia couchii
Iais californica
Iais floridana
Ianiropsis serricaudis
Ligia exotica
Ligia oceanica
Limnoria pfefferi
Limnoria quadripunctata
Limnoria saseboensis
Limnoria tripunctata
Niambia capensis
Orthione griffenis
Paracerceis sculpta
Paradella dianae
Paranthura japonica
Pseudosphaeroma sp. A
Sphaeroma quoianum
Sphaeroma terebrans
Sphaeroma walkeri
Synidotea laticauda
Uromunna sp. A
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