I had been considering them so that they would keep any problem populations of snails under control. I was thinking of having just one in a planted 30g tankThey're really more of a molluscivore and not particularly stealthy. They're also layyyyyyyyyyzyyyyyy. If they're getting enough food that they don't have to chase, they aren't going to bother with something hard to catch.
Since we are discussing puffer fish and their compatibility with red cherry shrimp- what would you think of a pea puffer in with shrimp?
I had pea puffers and they will kill and eat the cherry shrimps. Also I had amazon puffers, figure 8 puffer and green spotted puffers and they all would hunt down and eat the cherry shrimps.
Only my Congo spotted puffers do not eat cherry shrimps. They however ate 5 of my Armani shrimps which were much bigger than my cherry shrimps.