FIGURE 4 in Redescription of Vieja hartwegi (Taylor & Miller 1980) (Teleostei: Cichlidae) from the Grijalva River basin, Mexico and Guatemala, with description of a rheophilic morph

FIGURE 4. Live specimens of the rheophilic morph of Vieja hartwegi. A) Adult female in normal coloration, 97 mm SL, MZUNICACH 7161, Lagos de Colón, La Trinitaria, Chiapas (photo by M. A. Peralta-Meixueiro). B) Adult female in stress coloration, 65 mm SL, uncataloged specimen, Lagos de Colón, La Trinitaria, Chiapas. C) Adult female in stress coloration, 91 mm SL, MZUNICACH 7159, Tachinua River, Chicomuselo, Chiapas. D) Adult male in stress coloration, 80 mm SL, MZUNICACH 7157, Yayahuita River, Chicomuselo, Chiapas.