Out of stock
These small whirligig beetles are probably in the genus Gyrinus.
$15 for a 5 pack of these small beetles.
We simply drop various dead or dying bugs in their tanks like crickets, moths or roaches and they predate them. We also use live prey like fruit flies which are easily caught in the surface tension of the water.
These live in freshwater and their almost constant antics of making circles in the water is very entertaining, especially in the context of communal tanks with other aquatic insects where these occupy the very surface of the water. Occasionally the do dive down below the surface but otherwise spend all their time resting on the top of the water. It is believed that they are able to see both above and below the surface of the water with their unique eye structure.
Because they breathe air through their abdomens water quality isn’t the same issue with them as it is with fish, etc. Provide a small bit of floating material in the tank for them to hold onto.
Available as adult beetles and measuring 1/6 to 1/4 or so inches.
Bugguide.Net has some photos of: Gyrinus.
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