Nassarius Snails Deadly Carnivores

Oxylebius

Well-Known Member
A lot of times we witness something happening in our tanks and want to correlate it with something that may not necessarily be what is really happening. For instance, sick or dying fish may unfortunately become prey of scavengers. What we witness is a scavenger eating a fish & assume the scavenger killed the fish. But what really killed the fish was something else, what made the fish sick is what killed it. The scavenger was doing its job, what you bought it for, to scavenge, so that the fish wouldn't rot and create water quality problems.

The family Nassariidae is closely related to the family of the true whelks, Buccinidae. They are similar in their anatomy, not necessarily behavior.

I had several nassarius snails that lived nine years. In that time they only ate what was in the sand bed: dead, dying, or the extra food that fell to the bottom of the tank. This is my experience with them.
 
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