Gastropoda | Patellogastropoda
Gotshall, D.W. 2005. (Ref. 865)
Size / Weight / Age
Max length : 25.0 cm SHL male/unsexed; (Ref. 865)
Benthic; depth range 0 - 18 m (Ref. 865)
Climate / Range
Subtropical; 34°N - 24°N, 120°W - 111°W
Eastern Pacific: USA to Mexico. Ranges from Point Conception, California (Ref. 865) to Bahia Magdalena, Baja California, Mexico (Ref. 101430). Introduced in China and Israel.
It is found on rock crevices from low intertidal to a depth of 18 meters (Ref. 865). Juveniles occur in crevices and other cryptic sites during daytime; moves out at night to forage and returns to home site at dawn. Adults stay on home sites; forages on drift algae and occasionally on attached algae (Ref. 101619). Broadcast spawners, breeds year-round. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models