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nate_lockhart

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Dec 28, 2003
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BlackFin Catfish Tank and Filtration Questions

SPECIFIC COMMUNITY TANK QUESTIONS

Okay. I recently got the urge to start a fish tank, so I did. After setting up my tank for a day to make sure everything was working properly, the tank was not leaking, and the water was set up properly, I went out and bought two fish. I knew I wanted an algae eater, and it seemed like the only choices where I lived were plecos and Chinese Algae eaters. I bought a pleco, even though I knew it would eventually get big, because it seemed preferable to a Chinese Algae Eater, which it seems people dislike because they are aggressive. Then I bought a Black Fin Shark (Catfish). Well, it turns out that here is my first problem. I thought I knew a lot more about these fish than I do. So, first question, I bought food for the pleco (algae wafers). I have only been feeding him a little chunk (about 1/4) of a wafer every couple of days. Is this too much or too little? And, how long will I (should I) have to supplement with algae wafers like this? i.e. will the pleco ever be okay with just the algae that grows naturally? Also, how big will my catfish get? I think they are supposed to get about 6". Is this correct? Is the catfish going to get along with most fish? What are some good companions for the catfish? Are there any really cool fish someone could recommend? Could I safely add a betta to this tank? I'm worried it might get a little ticked at the hyperactive catfish. I assume from what I do know that most everything other than the most aggressive fish will get along with the pleco.

I originally had a 10-gal tank, but mysteriously the back wall cracked diagonally all the way across on the second night. I don't know what caused it, but I woke in the middle of the night to the sound of my tank leaking onto the floor. What could have caused this? There was nothing that could have hit the tank. I am just wondering if this is a common thing that might have an explanation. Anyways, I am currently keeping the fish in a temporary emergency-only 2.5 gal home until I rethink this whole fish tank plan.

FILTRATION QUESTIONS
For instance, I am thinking about buying a larger tank (like 20 or 29 gal). But what about the stuff I've already bought. For instance, I have a 5-15 gal Whisper Power Filter. Can I combine it with another 5-15 gal filter to filter a 20 or 29 gal tank? I have heard that when you change your filter, you lose a lot of your biological filtration. I was thinking I could change each filter every month, but two weeks apart from each other. That way I could always keep a good portion of biological filtration. Is this a good or bad idea? Also, what is the deal with BIO-wheels? I seem to be seeing a lot about them. Are they better filters, or are they an additional filter that does something your normal filter won't do? Should I look into them?

Anyways, sorry so long, and any help is appreciated.
 
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2 filters will work well. Changing the media is actually not needed that often--just rinse off the gunk, and replace only when it's falling apart.

For feeding--half a wafer a day will work. However, if you don't want the pleco, take it back now. They are not efficient algae eaters, and controlling algae is easier than having it eaten--especially by something that produces as much waste as a pleco.

Cracking--is the tank level?

Read up on cycling.
 
Also most plecos require wood in their diet. So a piece of drift wood is really needed to keep them healthy.

There really isn't a fish out there that will do well with scavenging from the tank. they all need specific food. Many like catfish will survive but they really need to be treated like pets and not a cleaning crew.
 
I kind of like the pleco, so I think I'll go ahead and keep him. I already named him Olandis, so it would be a shame to have to take back a laid-back fish with such a cool name. I don't really like the idea of taking him back to the crowded fish store tanks anyways. The only reason I asked about whether he would be self-sufficient on the algae is I didn't want to feed him a wafer if he's been up all night snacking on the algae and won't eat it. I'd just be throwing waste in. And it's hard to tell if he's even eating the wafer. I've seen him sometimes, but he doesn't exactly just jump right on it.

I think I've got the cycling thing under control w/frequent testing, water changes, ammo-lock, etc. Wish I'd known about fishless cycling before last night, but it wouldn't have done me much good in my emergency situation anyways.

Anyways, still overwhelmed by all the information a person needs to know to keep fish, but I'm catching on.

Still wondering what good tankmates for the "shark" might be. Just seems like all the fish I think are neat are the ones that eat everybody else. Why are fish so cruel? heh.
 
Originally posted by nate_lockhart
Still wondering what good tankmates for the "shark" might be. Just seems like all the fish I think are neat are the ones that eat everybody else. Why are fish so cruel? heh.

Well, straight from our own list here at AC:
http://www.aquariacentral.com/fishinfo/brackish/bfshark.shtml

The finer points:
18" max size, will eventually outgrow the tank.

Brackish water - so that will limit tankmates

It's a catfish - what will fit, it will eat.

So... for the duration it will fit in the tank, molly's will make decent tankmates... as by the time it'll decide to start eating them, you'll need a bigger tank for it anyways.

When it gets to a bigger tank (assuming you get one, good size for that fish is 90-100), I would suggest mid-size puffers, or black belt cichlids.
 
Hrm. I have read a few other places that that guy usually only gets about 6" in captivity, though I don't see it mentioned on AC. That is kind of what I am hoping for. I plan to get these guys moved in the next couple of weeks into something in the range of 30-55 gallons, just depending on what I can find. I hope to get something in the more distant future in the range of 90-100 gallons. Hopefully those guys can put off getting too big too quick until then.

BTW Wippit, I love your Trogdor "Icon". That is quite possibly one of the funniest websites ever...
 
only problem is

most pleco's will get way to big for a 10g, but they are a nice fish - you will have to keep supplementing it's diet with algae wafer but you shoul also boil some squash or zuchinni as well they need veggies in their meals
 
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