catfish? or shark? anyone know? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 11 Old 10-21-2008, 04:03 PM Thread Starter
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catfish? or shark? anyone know?

what type of fish is this? is it a catfish or shark? how big does it get ? anyone seen it before?

just incase the pictures didnt come out this is the direct link to it
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post #2 of 11 Old 10-21-2008, 04:04 PM Thread Starter
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cant get the pics on but these are direct links to them
also one of them are missing a eye, and ones nose is all red and cut up? swollen. could it be a desiese or did it hurt itself.
i just got them yesterday so i dont know
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post #3 of 11 Old 10-22-2008, 06:51 AM
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It has barbels... Very peculiar. Can't put my finger on what it is, but I can tell you that I've never seen anything like it

Also, it is quite large, and could get larger. Next time I advise you to get the scientific name, or if not, the common name of the fish you intend to buy, and research it abit before buying, you never know. A clown loach you can buy at around 1 inch big, and they end up growing up to 15 inches eventually. That fish you bought might even grow bigger, and outgrow the tank you have him in.

A little research goes a long way

Light travels faster than sound. This is why some people appear bright until you hear them speak.
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post #4 of 11 Old 10-22-2008, 09:42 AM
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looks similar to an irridescent shark, which is a catfish. definately gotta be a catfish

14gallon(heavily planted)- 1 Blue Ram, 5 Green Tiger Barbs, 1
Spotted Raphael Catfish, 1 Bumble Bee Catfish, 2 Golden
Chinese Algae Eater
1gallon- Blue/Orange Betta-male
Large Vase #1- Blue/Yellow Betta-male
Large Vase #2- Blue/Black Betta-male
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post #5 of 11 Old 10-22-2008, 11:17 AM Thread Starter
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Causing havick in my tank.

I saw these fish in a tank that was being sold, I felt sorry for them being in the dark and looked pretty beat up, I thought I could save them.
But thier so skittish and really upset my Pacu, even though he's bigger.
He has'nt eaten in 2 days, and has a big scratch on his gill.
I'm in the process of hooking up a 250 gal tank, but right now thier all in a 150 gal.
If they turn out to be Iridescent shark catfish, I need to find homes for them. My 17 in Pacu has top priority.
That'll tech me to stop jumping into things.

Really grateful for your input.


I love my Paco the Pacu!
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post #6 of 11 Old 10-23-2008, 02:17 PM
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They look like iridescent sharks or a close relative to me. These fish get to be over three feet in length and, as you've seen, they're very active swimmers so they really need an absolutely huge tank. They're also a lot more carnivorous than your pacu, so if you've got smaller community fish in the tank you can expect those to disappear, especially overnight.

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post #7 of 11 Old 10-23-2008, 04:36 PM Thread Starter
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It sure is looking that way.
I think i will have to try and find homes for them.


I love my Paco the Pacu!
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post #8 of 11 Old 10-25-2008, 12:14 AM
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:( looks like an Ictalurusspecies. Perhaps a channel or blue cat? Regardless of what, I can promise you it will get large. Like 3 feet large, or more :(

Makes me angry that places sell fish like this!
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post #9 of 11 Old 10-27-2008, 10:11 AM Thread Starter
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Well I found out they were Irridescent shark Catfish. Between them and my Pacu darting around the tank, one of the catfish busted the heater and cut part of its finn off.It's a wonder they never got Electricuted.
Wow, I just could'nt go through this another few weeks till I got the bigger tank hooked up so I advertised then for free and found a home for them on Sunday. So sad, but I think they be alot calmer in a tank by themselves.
My tank is back to normal, but Pacu's eating habit has'nt returned to normal yet, I hope it does in a few days.
I think I will just stick to my Pacu, disks and other little fishes that all get along wonderful.

I love my Paco the Pacu!
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post #10 of 11 Old 11-01-2008, 06:59 AM
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Had One

I had one of these fish in the 80s (yes I am dating myself), and I had him for several years until my tank crashed.

THe one I had was never prone to mess with other fish, ate ravenously, and would sometimes be skittish as can be, occasionally banging his head off of the sides of the tank.

He was housed with a good sized severum and a (at that time) Red Devil.

It was an interesting fish because it looked so much like what we all think of as a salt water shark.

I hope it settles down soon.
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