FIGURE 6 in Comparative development of five sympatric coastal Fundulid species from the northern Gulf of Mexico

FIGURE 6. Various stages (TL) of Fundulus jenkinsi development. Arrows indicate concentration of pigment along dorsal midline extending from head to caudal peduncle; pigment forming sideways X or hourglass, and largest size where internal pigment around spine is visible. Size class one (0–6.99 mm TL), size class two (7–9.99 mm), size class three (10–11.99 mm), and size class four (12–15 mm).