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Home » Guide » Arthropods (Arthropoda) » Crustaceans (Crustacea) » Malacostracans (Malacostraca) » Marsupial Crustaceans (Peracarida) » Isopods (Isopoda) » Scutocoxifera » Woodlice (Oniscidea) » Diplocheta » Seaslaters and Rockslaters (Ligiidae) » Seaslaters (Ligia) » Ligia pallasii

Species Ligia pallasii

Classification · Other Common Names · Explanation of Names · Size · Identification · Range · Habitat · Food · Life Cycle · Internet References
Ligia pallasii Ligia pallasii isopod - Isopod? - Ligia pallasii Rock Louse - Ligia pallasii Isopod - Ligia pallasii Isopod in Alaska - Ligia pallasii Isopod in Alaska - Ligia pallasii
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Marsupial Crustaceans)
Order Isopoda (Isopods)
No Taxon (Scutocoxifera)
Suborder Oniscidea (Woodlice)
Infraorder Diplocheta
Family Ligiidae (Seaslaters and Rockslaters)
Genus Ligia (Seaslaters)
Species pallasii (Ligia pallasii)
Other Common Names
common rock louse
Explanation of Names
Author of species is Brandt, 1833.
Size
Up to 35 mm in length.
Identification
The eyes are separated by a distance equal to twice the greatest diameter of an eye. They have short uropods, and a basal segment as long as broad.
Range
Northwestern US; Central California to Alaska.
Habitat
Caves and crevices on rocky sea cliffs.
Food
Ligia pallasii feed on dead plants and animals, and the algal film from upper intertidal rocks.
Life Cycle
The life span of these isopods is about 1.5-2 years with the breeding period in the spring and early summer months.
Internet References
ITIS
Race Rocks
Walla Walla University
Contributed by Ted Kropiewnicki on 18 February, 2008 - 11:39pm
Additional contributions by Astrobirder
Last updated 19 August, 2021 - 3:12pm

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