Life
Removing some of the thick jelly layers surrounding identified salamander eggs might assistance the embryos inside gainaccessto more oxygen in the water
By Jake Buehler
A woman found salamander with egg case in a swimmingpool
Rolf Nussbaumer Photography/Alamy
For identified salamander embryos nearing hatching, they get by with a little assistance – not from buddies, however from animals that are really their predators. Voracious frog tadpoles chew on the egg masses, which assists them hatch, perhaps because cutting away layers of the eggs’ protective covering increases their capability to soakup oxygen from the water.
Spotted salamanders (Ambystoma maculatum) lay their eggs in seasonal spring swimmingpools where they are at threat of being consumed by water bugs and the tadpoles …
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