Idotea balthica (Pallas, 1772)
Baltic isopod
photo by Harvey-Clark, Chris

Family:  Idoteidae ()
Max. size: 
Environment:  benthic; brackish; depth range 20 - 34 m
Distribution:  Atlantic Ocean and the Mediterranean.
Diagnosis:   
Biology:  It is an epibenthic species (Ref. 95730), that inhabits coastal waters (Ref. 8372). Euryhaline; found along tidal shores, typically occupying the littoral and sublittoral zones. Its characteristic pattern of distribution is correlated with tidal levels, exposure and salinity variations. It is a widely distributed species (Ref. 95891). A macroalgae mesoherbivore (Refs. 95728, 95891, 126850). This species facilitates the transfer of spermatia in red alga Gracilaria gracilis in laboratory aquaria (Ref. 126850).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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