Larval Amphibians - Frogs and Toads

Wood Frog

Lithobates sylvatica

Tadpole length 30-40mm, max. 48mm; eyes dorsal
Body dark brown to black and oval, with fine gold speckling
Tail musculature same colour as body; tail fin transparent with scattered light and dark spots, high arch and continues to mid-body
Intestinal coil visible; vent dextral; tooth rows 3/4, 3/3 in northern Ontario
Eggs: 500-3000+ laid in firm round or oval mass, anchored to vegetation near or at the surface of shallow ponds; eggs of several females laid together in groups
Habitat: ponds and vernal pools in or near woodlands

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