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Species Ligia pallasii - rock louse

Ligia pallasii isopod - Beach Bug - Ligia pallasii interesting isopod? - Ligia pallasii Isopod but what? - Ligia pallasii Isopod but what? - Ligia pallasii Isopod - Ligia pallasii Isopod - Ligia pallasii
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Crustacea (Crustaceans)
Class Malacostraca (Malacostracans)
Superorder Peracarida (Peracarida (Amphipods and Isopods))
Order Isopoda (Isopods)
Suborder Oniscidea (Woodlice)
Infraorder Diplocheta
Family Ligiidae (Rock Slaters)
Genus Ligia
Species pallasii (rock louse)
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.