i think mollies would be a better choice as i read b4 that freshwater fish can damage their liver.But the best thing would be u would be able to wean them onto dead food.
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market prawns,squids,small eels can be fed on mysis,
most likely possible.
small tangs and angels maybe will fall prey.
They have sharp teeth.
all these r jus my 2 cents
i am afraid that after applying superglue,something else will happen,just afraid of taking risk,playing ard with a $90 thing.too expensive,cannot afford the mistake,better stick to a gurantee.