Something to do when shipped frogs arrive at your home is rehydrate them.
Bathe them separately in a electrolyte replacement solution diluted with dechlorinated water. Always have some Unflavored Pedialyte on hand. Prepare a bath at a 10 to 1 ration so for every 10 ounces of 80°F dechlorinated water add 1 ounce unflavored pedialyte. The bath for each ffog should be no deeper than up to their chin or half the frog's height. This bath will perk them up and is essential for new arrivals to have a better chance of survival within the first hours of being in your care. Bath duration should be 20 minutes per frog or until the water cools.
I recomend you do so and do contact the seller. They should not arrive in that condition, but this also depends on the length of time in transit to your home as well as sitting at a wholesalers business.
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