Looks like a peppered cory.... But they do look similar!
Salt and Pepper Catfish
The body shape of C. habrosus resembles C. hastatus . The body color is tan to beige and matches the color of the belly. A broken, olive green band extends from the gill cover back to the caudal peduncle. The head and back are spotted with dark spots that are brown or black in color. The caudal fin is striped with 4-5 olive green markings.
SIZE: To 1" (2.5 cm)
Peppered Corydoras, Paleatus Cory
body is stocky and deep, with an arched back. Two rows of bony plates make up each side of the fish. The upper has 22-24 plates, while the lower 20-22. Two pairs of barbels are located on the upper jaw. The body color is tan or gray with a green iridescence. The belly is white. The body is covered with dark markings that are brown or black in color. The fins are the tan to bronze in color, also covered with spots. Color varies on the fish's population.
SIZE: To 4" (10 cm)