Gastropoda | Patellogastropoda
Bisby, F.A., M.A. Ruggiero, K.L. Wilson, M. Cachuela-Palacio, S.W. Kimani, Y.R. Roskov, A. Soulier-Perkins and J. van Hertum. 2005. (Ref. 19)
Size / Weight / Age
Max length : 25.0 cm TL male/unsexed; (Ref. 865); max. reported age: 40 years (Ref. 105226)
Benthic; depth range 20 - 66 m (Ref. 101453), usually 43 - 60 m (Ref. 101453)
Climate / Range
Subtropical; 34°N - 26°N, 121°W - 112°W
Eastern Pacific: USA to Mexico. From Point Conception, California to Punta Abreojos in Baja California.
Historically, found at depths between 25 and 30 m and reported to be formerly common in depths of 10 to 20 m (Ref. 101453). Minimum depth from Ref. 106850. Sedentary (Ref. 106850). Found in open low relief rock or boulder habitat surrounded by sand, often at the sand-rock interface (Ref. 101461). Also occurs in open, exposed deep-water reefs with kelp understory (Ref. 106850). Feeds on drift macroalgae and attached red algae (Ref. 101622). Broadcast spawners. Life cycle: Embryos develop into planktonic trocophore larvae and later into juvenile veligers before becoming fully grown adults (Ref. 833). Also Refs. 105220, 105232.
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models