Mopalia lignosa (Gould, 1846)
Woody chiton
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Family:  Mopaliidae ()
Max. size:  7.6 cm TL (male/unsexed)
Environment:  benthic; marine
Distribution:  Eastern Pacific.
Diagnosis:  Girdle: Medium wide covered with thick recurved bristles. Mucro: Slightly posterior and depressed. Sculpturing of the central area of valves and jugum: Radiated pitting which is finer at dorsal and gets larger towards the girdle. Lateral area: Flat and granular and appears nearly smooth; It is definable by a slightly raised rib. Color of the valves: Slate blue streaked with dark brown. Color of the girdle: Cream (Ref. 296).
Biology:  Maximum Total Length: 7.6 m. Depth: Intertidal (Ref. 290). Habitat: Sides or bottoms of large boulders on open coast (Ref. 315). Occurs on the sides or bottoms of large boulders in the open coast (Ref. 315); mid to low tide zones from Alaska to Point Concepcion (Ref. 312). Herbivorous, preferring diatoms and green alga, e.g., sea lettuce Ulva sp. (Ref. 312).
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans: 
Country info:   
 

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