Tropical Fish Keeping - Aquarium fish care and resources

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55Range 09-14-2011 03:34 PM

Plant eating fish
Having some issues in my planted tank. got loaches(clown, blue, weather, yoyo, striated), black ghosts, discus, kribensis, gouramis(dwarf, stripped), spotted talking catfish, upside down catfish, and "a small greyish slim body catfish".
Who do you think been nipping on my plants from the above list ?

DKRST 09-15-2011 12:19 PM

I had a dwarf gourami that grazed on every fine-leaf plant in my tank.
What plants are being eaten or nibbled on?

55Range 09-15-2011 12:46 PM

Well most of my plants new shoots are been destroyed :(

KendraMc 09-15-2011 12:50 PM

have you tried java fern or wisteria? those are the only two i've tried so far that my swordtails haven't devoured.

55Range 09-15-2011 01:36 PM

Well the thing is - i want to identify the culprit and send it to another tank. But must be sure of it. I want my plants ;) Therefore any advice/suggestions are welcome .

Byron 09-15-2011 02:12 PM

Difficult to say, but you have some compatibility issues that could be causing abnormal behaviours. I've no idea how large this tank is, nor how many of each species you have. But just off the top, you have very warm water fish and some temperate water fish, and you cannot combine these as there is no "middle" ground and one or the other, or both, will suffer. Temperaments of individual species I will leave since I've no idea on the tank size and numbers.

Maintaining shoaling fish in too small a group, in the wrong water parameters (temp here, possibly more), too small a space (to the fish), or with non-compatible species will all cause stress. And this weakens the immune system, usually leads to a shortened lifespan on top of health issues that would not otherwise occur, and brings out aggressive or un-natural behaviours.


55Range 09-15-2011 02:35 PM

Ok By warm you mean Discus and loaches I guess. Well its a 5 feet tank. With plants. caves, hiding places, and have had many of those fish some since 4 years and some as little as a month.
What are you suggesting ?

Byron 09-15-2011 04:14 PM


Originally Posted by 55Range (Post 826677)
Ok By warm you mean Discus and loaches I guess. Well its a 5 feet tank. With plants. caves, hiding places, and have had many of those fish some since 4 years and some as little as a month.
What are you suggesting ?

Yes, the discus are warm water, 82F and above. Weather loach is temperate, mid-70's is the highest it should be kept. The other fish listed can manage with normal community temperatures around 77-79F, some will manage at the higher discus range, some at the lower. In general, it is usually best to maintain fish at the lower to mid-range of their preference since this will allow them to metabolise more easily with less effort. The higher the temp, the more the fish must work.

The knifefish is not a community fish, and it will require much larger quarters. At nearly 2 feet and being stiff-bodied, it cannot turn around in a tank that is not at least as wide as its length (2 feet at maturity). The dim lighting it needs (being nocturnal) will suite discus and loaches, though not your plants. You mention ghosts in the plural; this fish is electrogenetic, and thus should be kept one fish per tank to avoid stress.

I am an advocate of only mixing truly suitable fish species in an aquarium, regardless of the size. There is sufficient evidence nowdays to show that this is the best way to reduce stress on the fish, and that means healthier fish. Nothing is cast in stone, but at the same time the inherent traits of each species is a given by nature, and the effects of these things are not always easily seen by the aquarist. Discretion is the better part of valour, and similarly avoiding possible (even if not probable) problems is the safer and wiser course. We have fish profiles, second tab from the left in the blue bar across the top of the page, and each profile contains info on numbers for shoaling fish (of which many here are), compatibility, etc.

55Range 09-16-2011 07:12 AM

well informative post , thank you. Will separate some fishes, my main will be discus and loaches. Any idea on loaches eating plants ?

DKRST 09-16-2011 11:12 AM

I think the only issue I have heard about with loaches and plants is their size and behavior. Their "rooting" around the bottom coupled with a pretty good size body form (clown loach) means they can uproot plants on a regular basis, particularly thin-stem plants lust by bumping around.

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