PICKEREL FROG Pickerel frogs have irregular shaped-squarish spots arranged in two lines down their back. The leopard frog is similarly spotted, however the spots are more circular, surrounded by a lighter colored border, and are not neatly arranged. Ventral view of a pickerel frog Female pickerel frogs (right) are typically larger than the males. PICKEREL FROG EGG MASS WOOD FROG EGG MASS A pickerel frog egg mass is about the same size of a wood frog eggmass- about 5-10 cm in diameter.  The pickerel mass contains approximately 2000-3000 eggs, in contrast to about 750 eggs in wood frog egg mass. The individual eggs of pickerel frogs are brown above and cream colored below, whereas wood frog eggs are black above. PICKEREL FROG TADPOLE GREEN FROG TADPOLE Large pickerel tadpole are easily mistaken as green frogs. However, there are a few characteristic to aid in distinguishing the two species. The nose of the pickerel frog tadpole is more pointed, the eyes are closer together, the nostrils are closer to the edge of the nose, and the dorsal fin of the pickerel frog is highly arched.