Family Pomacentridae Bonaparte 1831 (Fig. 4D). Damselfishes, Night-Sergeants, Garibaldis, Sergeant-Majors, Gregories, Chromis, Anemonefishes; Jaquetas, Damiselas, Petacas, Castañuelas, Castañetas, Pintañas

Description: Body elongate to ovoid, compressed; up to 35 cm in length; a single nostril on each side; mouth small, protrusible, opens at front; jaw teeth conical, incisors or brush-like; no teeth on roof of mouth; lateral line interrupted or interrupted; a single continuous dorsal fin with 8–17 and usually 11–18 soft rays, but with the base of the spinous portion longer than the soft portion; anal fin with two spines (very rarely three) and 10–14 rays (Robertson & Allen 2015, Nelson et al. 2016). Distribution: Marine (rarely brackish or freshwater); all tropical oceans (primarily the Indo-Pacific) (Nelson et al. 2016). One genus and one species in Nicaraguan freshwaters.