Family Dactyloscopidae Gill 1859 (Fig. 4M). Sand Stargazers; Miraestrellas de Arena
Description: Body elongate, tapered; up to 15 cm; head usually broad and deep, with protruding, eyes on top, often stalked; mouth upturned, with a protruding lower jaw; mouth often bordered above and/or below by a fringe of skin flaps; operculum with a fringe of skin flaps; pelvic fins with one spine and three soft rays, jugular; dorsal fin long, continuous or divided, with 7–23 spines and 12–36 soft rays; anal fin with 21–41 soft rays (Robertson & Allen 2015, Nelson et al. 2016). Distribution: Marine (rarely brackish or freshwater); warm temperate to tropical waters in North and South America (Nelson et al. 2016). One genus and one species in Nicaraguan freshwaters.