Everglades pygmy sunfish (Elassoma evergladei)

The fish can grow to a maximum length of 3.4 cm (in total length), and it generally grows to 2.3 cm. Scales are present at the top of its head. Its mouth is both small and oblique. The fish does not have a lateral line. A crescent-shaped area behind each eye may be gold or iridescent blue. It has dark lips. Egg count in the ovaries of females in captivity ranged from 115 to 500, increasing with the fish's size.

The fish has variable color and form. Its body is generally colored brown with darker spots. The fish has several rows of dark red spots on its dorsal and anal fins. "Nonbreeding" fish may have light streaks, mottling, or blotches. Females of the species in general are colored brown on their backs with mottled brown and cream/white coloring underneath, or they may be reddish brown. The females have no markings. "Breeding" males are colored black with iridescent blue spots. Males have black fins with or without brown spots. Male bodies may be black, brown, or dark green with blotches or spots. A few indistinct dark bars may be present on the male body. Males may have brassy or blue-green iridescent scales scattered across their bodies.

In Aquariums and Zoos: rare in european aquariums