The male had been carrying the tadpoles for a few days and ignoring the cups in his tank when I decided to catch him. Placed in a deli cup with water, the tadpoles refused to let go even though he was trying to wipe them off with his hind legs. I put him back in his tank and placed a few cups higher up in the tank (last picture) - one of the tadpoles was deposited almost immediately into the bigger cup. Unfortunately, I didn't witness the actual deposition. Is it known what triggers the controlled release of a single tadpole while the others are hanging on?
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