Mycteroperca rosacea (Streets, 1877)
Leopard grouper
photo by Buckhorn, M.

Family:  Serranidae (Sea basses: groupers and fairy basslets), subfamily: Epinephelinae
Max. size:  86 cm TL (male/unsexed); max.weight: 9,640.0 g
Environment:  reef-associated; depth range 1 - 50 m
Distribution:  Eastern Central Pacific: southwest coast of Baja California throughout the Gulf of California to Jalisco, Mexico.
Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 16-18; Anal spines: 3-3; Anal soft rays: 10-11. Distinguished by the following characteristics: greenish to greyish brown body color with small reddish brown spots and irregular pale spots and lines; fins with white margins; small portion of population exhibit xanthic pattern which is entirely bright yellow-orange, sometimes with few irregular black spots; depth of body contained 2.7-3.1 times in SL; head length 2.6-2.8 times in SL; angle of preopercle in adults with weakly-developed serrate lobe; posterior nostrils of large adults 2-3 times larger than anterior ones (Ref. 89707).
Biology:  Prefers rocky areas in shallow water at depths of about 50 m. Adults feed on schools of the flatiron herring, Harengula thrissina, and anchoveta, Cetengraulis mysticetus when available; if not, on other schooling fishes or non-schooling fishes. Most feed at dawn and dusk, with a peak in activity about 20 minutes after sunset. Juveniles feed throughout the day on a variety of benthic fishes and crustaceans.
IUCN Red List Status: Least Concern (LC); Date assessed: 18 November 2016 Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Capuli, Estelita Emily - 15.04.94
Modified by: Kesner-Reyes, Kathleen - 26.10.05
Checked by: Capuli, Estelita Emily - 29.04.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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