Intertidal Invertebrates of the Monterey Bay Area, California

Compiled & photographed by Gary McDonald, Long Marine Laboratory, University of California, Santa Cruz

Idotea urotoma Stimpson, 1864               
Blunt-tailed Isopod
Arthropoda: Crustacea: Malacostraca: Eumalacostraca: Peracarida: Isopoda: Valvifera: Idoteidae
Geographic Range: Puget Sound, WA to Baja California, Mexico. Synonyms:
Back to: Isopoda Back to: Intertidal Invertebrates of the Monterey Bay Area
Idotea_urotoma_0003.jpg
Carmel Pt. (south), Monterey Co., CA; 10 Apr 2008; 16mm total length.

Description: Color extremely variable: yellowish gold, reddish brown, brown, black, or white & brown. Body long and slender. Pleotelson posterior margin without strong median process.
Size: Up to about 16mm in length.
Notes: This species tends to match to color of the substrate on which it is found.

   

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