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Larval Amphibians - Frogs and Toads

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Boreal/Western chorus frog*

Pseudacris triseriata       Pseudacris maculata
*Tadpoles of both species are very similar

  • Tadpole length 25-30mm; eyes lateral
  • Body is dark brown with dark spots, to black; light gray to bronze belly
  • Tail musculature distinctly bicoloured, darker on top than on bottom; tail fin clear with small black dots, slightly arched in first third of tail
  • Intestinal coil visible; vent dextral; tooth rows: 2/2 or 2/3
  • Eggs: 200-300 laid in small loose cluster masses, attached to plants or leaves on bottom of shallow ponds
  • Habitat: shallow edges of ponds, marshes, ditches, and flooded fields

Learn about my adult (Western) form
Learn about my adult (Boreal) form