leaches in my tank

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vitaly

Dovii
MFK Member
Feb 4, 2010
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i have recently notice some brown leaches in my invertebrate tank. there are no fish in there only snails and shrimp.
does anyone know if these guys are dangerous?
i have seen them eating carnivour pellets. so i am kind of thinking that they are harmless.
 
I hear theyre great if you just put them on your arm and then forget about them


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well, they stretch out pretty long and thin. can planaria do that?
i have seen them eat pellet food
 
yeah they can, they go from round and fat to long and thin..

how big are they?


If they are planria than i have them in my tiger shrimp tanks , basically from over feeding
 
the biggest one was about 5inches long with a sucker on one end. i got her out, but now i have notice two smaller ones
 
oh wow 5 inches yeah much bigger than planria...must be leaches
 
Sounds like a leech. I got some in a daphnia culture as well as in my pond and an outdoor scud culture. I have seen them eating/killing snails. They will prey on invertebrates. I have not seen them harm fish but I don't think it is out of the question. What I understand is, they will suck blood, swell up, then fall off. I don't think it is enough to actually kill fish. Fish will eat them though.
 
ya, i am 100% positive that they are leaches.
are there harmless leaches? cause i've only seen them eating hikari pellets. can they eat snails or shrimp?
 
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