They are trumpet snails, AKA Maylay live bearing snails, AKA freshwater cone snails, some from the genus Viviparadae.
I.ve always liked them in my tanks, because during the day they rummage around (buried) in the sand/substrate, keeping it from compacting and going anaerobic, eating algae and detritus. They come out at night to eat algae.
Some of my fish ate them, so when populations got too high, I moved the Paretroplus tp the tank, and within about 24 hours the population was severely reduced.
Below a Paretroplus that eats them, the can opener like teeth easily extracts snail flesh from those too large, and hard to crush
I.ve always liked them in my tanks, because during the day they rummage around (buried) in the sand/substrate, keeping it from compacting and going anaerobic, eating algae and detritus. They come out at night to eat algae.
Some of my fish ate them, so when populations got too high, I moved the Paretroplus tp the tank, and within about 24 hours the population was severely reduced.
Below a Paretroplus that eats them, the can opener like teeth easily extracts snail flesh from those too large, and hard to crush
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