Amphibian Eggs

American Toad

Bufo americanus

Eggs: Eggs are deposited in strings near shore of aquatic environments.

American Toad

American Toad egg masses © Solon Morse

American Toad

American Toad egg masses © Solon Morse

Green Frog

Rana clamitans

Eggs:

Green Frog

Green Frog eggs © Solon Morse

Wood Frog

Rana sylvatica

Eggs: Wood Frog eggs are laid in a large, gelatinous structure containing 500-3,000 eggs and attached near the surface to a submerged substrate. The mass is initially clear or grayish in color, but may turn greenish from the growth of algae.

Wood Frog

Wood Frog eggs © Solon Morse

Wood Frog

Wood Frog egg mass © Solon Morse

Salamanders

Caudata

Eggs:

order Caudata: Salamanders

Blue-spotted Salamander eggs © Solon Morse

Jefferson Salamander

Ambystoma jeffersonianum

Eggs: Deposited in small, elongate clusters (20-30 eggs) attached to underwater sticks and vegetation.

Jefferson Salamander

Jefferson Salamander eggs © Solon Morse

Jefferson Salamander

Jefferson Salamander eggs © Solon Morse

Blue-spotted Salamander

Ambystoma laterale

Eggs: Eggs are laid singly or in small clusters (2-12 or so), attached to sticks, vegetation, or other submerged substrate, or are deposited directly in the bottom sediments.

Blue-spotted Salamander

Blue-spotted Salamander eggs © Solon Morse

Blue-spotted Salamander

Blue-spotted Salamander eggs © Solon Morse

Blue-spotted Salamander

Blue-spotted Salamander eggs © Solon Morse

Blue-spotted Salamander

Blue-spotted Salamander © Solon Morse

Blue-spotted Salamander

Blue-spotted Salamander eggs © Solon Morse

Spotted Salamander

Ambystoma maculatum

Eggs: Up to 200 dark colored embryos encased in a yolk sac and all surrounded in a gelatinous "blob." A symbiotic relationship exsists between an algae and the egg mass providing food for the developing salamanders.

Spotted Salamander

Spotted Salamander eggs © Solon Morse

Spotted Salamander

Spotted Salamander eggs © Solon Morse

Spotted Salamander

Spotted Salamander eggs © Solon Morse

Spotted Salamander

Spotted Salamander eggs © Solon Morse

Spotted Salamander

Spotted Salamander eggs © Solon Morse