30 gallon puffer?

So what your saying is that the dwarf puffer would nip the crab to death? By the way, the crabs i have are red clawed crabs.. 1 male 2 femail
 
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It is most likely that your dwarf would do some damage to crabs, but you have to take into account the fact that crabs might reciprocate. This could cause tetraodotoxins to be released in the tank, at which point you would have to do a large water change (possibly even break down the tank and clean it) and probably say good-bye to the remaining fish/animals in the tank.
 
Originally posted by ChilDawg
It is most likely that your dwarf would do some damage to crabs, but you have to take into account the fact that crabs might reciprocate. This could cause tetraodotoxins to be released in the tank, at which point you would have to do a large water change (possibly even break down the tank and clean it) and probably say good-bye to the remaining fish/animals in the tank.

dude it's the most powerful neurotoxin the world, I wouldn't even clean it. TOSS IT OUT !!! =)
Although I'm not to sure dwarf puffers have it, I think only a few have it, but I could be wrong. I've just never read anything on dwarfs having tetradotoxin in their system.
 
I've had 4 of them perish (juveniles, they weren't eating) and had not problems with the tank. I removed the bodies by hand, and didn't even get dizzy.

All puffers have the toxin, but not all of them release it on death, unless there is serious damage to the corpse. I don't think fish would eat the body, but a crab might. I wouldn't mix crabs and any kind of fish.
 
At the large aquarium downtown, there are schools of SA puffers 30 large. I have 3 of them housed w/6 dwarf puffers in a 29gal.
 
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