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Florida Biology - Gainesville

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Pig Frog

Rana grylio

 

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Rana_grylio_adult - click to enlarge

HABITAT

These aquatic frogs are habitat generalists and live areas with emergent aquatic vegetation in lakes, marshes, rivers, ponds, swamps and streams.

BREEDING SEASON

Spring/Fall, March-September

SIMILAR TADPOLES

Rana virgatipes, Rana catesbeiana, Rana clamitans

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Rana_grylio_tadpole - click to enlarge

APPEARANCE

Head

Dorsal eyes. Small tadpoles have light golden band around the body behind the eyes (similar to Rana heckscheri).

Body

Rana grylio tadpoles are dark green to brown and slightly mottled. The throat is solid black. The belly is yellowish and may be patterned with a dark reticulated pattern.  The intestinal coil is not visible through the skin.

Tail

Tail fins may be either clear or covered with dark blotches with a longitudinal row of dark dots on the dorsal tail fin.

APPROXIMATE MAXIMUM SIZE

Large: Over 4 inches, 100 mm.

Rana_grylio_tadpole_length

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URL: http://fl.biology.usgs.gov/armi/Guide_to_Tadpoles/species/rana_grylio/rana_grylio.html
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Page Last Modified: Friday, 14-Dec-2012 12:57:39 EST