02-05-2010, 06:17 AM
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Strange behaviour in Silver Shark?
Hi everyone, this is my first post, but I've been reading this great forum for a few months before I finally decided to set up my first tank. A friend gifted me a slightly used (he grows aquarium plants, and used it as storage for plants he was planning to sell) 30 litre tank. I let it cycle, had my friend check the levels which were all fine, and then set it up with a few plants, some rocks, and (finally) my new fish. I went to a large aquarium here in Melbourne, and was recommended to start small for such a small tank. I decided on a Dwarf Gourami, a few Neon Tetra and a Silver Shark. The others I had planned on getting, but the Silver Shark was a surprise, I just really liked him in the store. The staff member said this set up would be good, and maybe to add another Gourami or a few more Tetra at some point. Anyway, it's one week later and they all seem to be settling in well, except I've noticed that the Silver Shark is 'kissing' the side of the tank a lot, and spends much of the day in a generally distressed state, hanging out near the side and quickly swimming up and down. The other fish don't seem bothered, and all seem to be fine.
Is this normal behaviour for a Silver Shark?
Or is it a problem that could be fixed by adding more aquarium plants or places to hide etc?
Or is it just that the tank is too small for him?