Stegastes fuscus (Cuvier, 1830)
Brazilian damsel
Querê-querê,  Trinadade gregory,  Castanheta,  Maria-mole
Stegastes fuscus
photo by Gasparini, J.L.

Family:  Pomacentridae (Damselfishes), subfamily: Microspathodontinae
Max. size:  12.6 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 1 - 15 m, non-migratory
Distribution:  Western Atlantic: Brazil. Some authors consider the population in Caribbean Sea as another species, Pomacentrus dorsopunicans (Ref. 9626). Reported in the eastern Atlantic off Senegal (Ref. 10797).
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 15-16; Anal spines: 2-2; Anal soft rays: 13-14
Biology:  Adults inhabit shallow, coral or rocky bottoms and sometimes near the shore in areas with little visibility (Ref. 9626). Juveniles were collected from tide pools and on rocky Lithothamnion reefs; adults found up to 15 m depth (Ref. 40395). A diurnal species, adults feed on benthic algae, polychaetes and harpacticoid copepods (Ref. 9626); also consume hydroids and sponges and has been observed to feed on Abudefduf saxatilis eggs at night (Ref. 9626). 16:21 SL/TL (Ref. 9626). Oviparous, distinct pairing during breeding; eggs are demersal and adhere to the substrate; males guard and aerate the eggs (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 February 2009 Ref. (130435)
Threat to humans:  harmless
Country info:  Type locality, Enseada dos Portugueses, Ilha da Trinidade, off State of Espírito Santo (holotype of Stegastes trindadensis) (Ref. 40395). Ranges from Paraíba south to Santa Catarina, including Abrolhos Reefs and Trindade Island (Ref. 57756). Also Ref. 7247, 40101.


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