Eventually a snapper could become stressed by not being able to breath eazily due to the water being to deep but usually won't drown
but they should be able to breath without haveing to swim so with deep water a place for them to climb on to rest should be provided like a floating piece of driftwood or a pile of rocks
but they should be able to breath without haveing to swim so with deep water a place for them to climb on to rest should be provided like a floating piece of driftwood or a pile of rocks