Katharina tunicata (Wood, 1815)
Black katy
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Family:  Mopaliidae ()
Max. size:  13 cm TL (male/unsexed)
Environment:  benthic; marine; depth range 0 - 40 m
Distribution:  Eastern Pacific.
Diagnosis:  Girdle: Black leathery covering almost the entire dorsal area. Dorsal ridge area of each valve: small portion; left exposed (Ref. 296).
Biology:  Surf-zone to 40 m. Usually found on stony or rocky bottoms (Ref. 290); in the middle intertidal zone from Alaska to Point Conception; North of Santa Barbara; also on rocky shore with heavy wave action (Ref. 312). Herbivorous, feeding primarily on red and green algae and benthic diatoms (Ref. 312).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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