Have you considered the cardinal fish that lives in the reefs of tropical oceans? Once a female cardinal fish’s eggs are fertilized, the male scoops them into his large mouth. But even if dad is hungry, he does not eat the eggs, but rather, protects them. For the next 10 days, he incubates them in his closed mouth until they hatch. Imagine holding something in your mouth for 10 days without s...
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