Black Fin Sharks
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Black Fin Sharks

This is a discussion on Black Fin Sharks within the Catfish forums, part of the Freshwater and Tropical Fish category; --> I got to black fin sharks from some people on craiglist, they said they were around 5 or 6 inches but when I measured ...

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Old 11-02-2011, 12:50 AM   #1
 
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Black Fin Sharks

I got to black fin sharks from some people on craiglist, they said they were around 5 or 6 inches but when I measured them they were actually almost 11 inches. My question is would they be ok in a 30 gallon tank by themselves? The tank would just be for them and no one else or would it be good to try to find another home for them? I really wanna keep them because they look beautiful.
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Old 11-02-2011, 01:36 AM   #2
 
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When you say Black fin shark I assume you mean Colombian shark catfish (Hexanematichthys Seemanni)? If so this fish will get quite big up to 14" and will need a tank that is 5ft+ as it is a shoaling fish that needs room to do so. Also needs to be in brackish waters the bigger it gets.

Last edited by Boredomb; 11-02-2011 at 01:40 AM..
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Old 11-02-2011, 03:23 AM   #3
 
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Ahhh ok. I wanna keep them but I don't feel like dealing with a brackish water tank. I'll just take them to a pet store in San Diego so they can take them off my hands. Thanks for the info =]
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Old 11-02-2011, 03:27 AM   #4
 
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Quote:
Originally Posted by DuskDarkVoid View Post
Ahhh ok. I wanna keep them but I don't feel like dealing with a brackish water tank. I'll just take them to a pet store in San Diego so they can take them off my hands. Thanks for the info =]
Before you do wait till someone more experience answers as I am still learning and I am not sure if that is exactly the fish you have but I think so
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Old 11-02-2011, 03:36 AM   #5
 
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Well it is the colombian shark catfish like you said.
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Old 11-02-2011, 03:50 AM   #6
 
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Originally Posted by DuskDarkVoid View Post
Well it is the colombian shark catfish like you said.
Ok well then I have read it doesn't fair so well when it gets bigger in freshwater and needs to be in brackish.
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Old 11-02-2011, 03:52 AM   #7
 
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Hmm ok, it would be better for me to give them away than to try to take care of them, I don't wanna stubble with them and then they end up dying.
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Old 11-03-2011, 04:52 PM   #8
 
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A 30g tank is certainly too small for any fish that is now 11 inches--and two of them--and will (if it is given opportunity and is in good health) get even larger. So the answer to your last question is, if you can provide a 5 foot tank now, you could consider keeping them; if not, find another home for them.

The above is the first main issue; after that, there is the matter of their temperament, needs, other fish, etc.

Byron.
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