Megalomma carunculata Tovar-Hernández & Salazar-Vallejo, 2008

(Figures 2, 10 B–C)

Megalomma carunculata Tovar-Hernández & Salazar-Vallejo, 2008: 1957 –1961, Figs 1–2. Type locality: Punta Manzanillo, Acapulco, Guerrero . Also from Huatulco and Puerto Ángel, Oaxaca, 1–1.5 m.

Megalomma carunculata . — Tovar-Hernández & Carrera-Parra 2011: 18 –19 (new record from Acapulco, in sponge); Bastida- Zavala et al. 2013: 348 (Oaxaca, checklist).

Material examined. Four specimens.

Baja California: UANL 7855 (Bahía de los Ángeles, sta. 1, 28°56’52.9”N, 113°33’25.3”W, March 31, 2011, coll. JAL).

Baja California Sur: UANL 7856 ( Marina Cantamar, Pichilingue, Sta. 1, 24°16’42.7”N, 110°19’50.4”W, April 22, 2010, coll. JAL).

Guerrero: UMAR-Poly 706 (Morro Colorado, Zihuatanejo, in Pocillopora damicornis [ Linnaeus, 1758], 1.5 m, November 30, 2010, coll. SGG).

Oaxaca: UMAR-Poly 707 (El Maguey Beach, in dead corals, intertidal, July 4, 2007).

Habitat. Intertidal to subtidal (1.5 m). Tide pools and in sponge (Tovar-Hernández & Salazar-Vallejo 2008; Tovar-Hernández & Carrera-Parra 2011); on corals and on anthropogenic substrates in marinas (from Bahía de los Ángeles, Baja California, and Marina Cantamar, Baja California Sur). Occasionally as part of fouling fauna.

Distribution. Mexican Pacific, Baja California, Baja California Sur, Guerrero and Oaxaca.

Remarks. Megalomma carunculata is a big species, with a length of 7 to 16 cm; however, it is extremely rare in the Mexican Pacific (Tovar-Hernández & Salazar-Vallejo 2008).