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Imitator Tadpole Murders Snail

slaytonp May 25, 2003 11:39 AM

When Mom and Dad quit feeding one of the tads in a bromeliad, I left him there and have been feeding him myself. (Prior post)I'm using fish flake, spirulina, swiping an occasional egg from the neglectful parents, and he gets an occasional fruit fly that falls in the cup. He seems quite able to tear these up and eat them. I have some tiny terrestrial snails in the tank that I've left alone as they don't appear to harm the plants at all. They are probably contaminants from a temperate zone plant nursery, so are very unlikely to be alternate hosts for any sort of parasite that would infect these frogs, and I did not imagine that the frogs would eat them.

Yesterday, I saw some thrashing around in the brom cup. The tad had latched onto the head of one of these snails and was ripping it out of its shell. A bit later, there was nothing left but an empty shell. I had flushed out an empty shell once before, but didn't connect this with the possibility that the tad had eaten it.

He's growing and very active. It's hard to see in well enough to tell if he is getting legs yet, but should be very soon.

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Patty
Lost River, Idaho

Replies (2)

thecarpmantis May 25, 2003 12:19 PM

hi
i dont have any experiance with this with pdf's but i have seen common frogs(uk) do it many times before,they just keep hassling a snail till is drops off of what ever it is clinging to then after a while all that is left is a shell.

slaytonp May 25, 2003 06:29 PM

It happened again today. I think the snails are attracted by the fish flakes that cling to the edge of the bromeliad leaf, then when I mist and rinse the brom cup, the water gets high enough that they get flushed into the cup and the tad gets them.

I'm relatively educated regarding mammalian parasites, the life cycles, intermediate hosts, and vectors, etc., but found very little specific information on frog parasites that might come from a land snail. (Lots about water snails, of course). If there's a herp parasitologist around this forum, some information would be appreciated. I'm not particularly worried in this instance, just curious. The snails are certain to be good food. He sure thinks so.
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Patty
Lost River, Idaho

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