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Topic Summary
Posted on: February 01, 2017, 08:15:34 AM
Posted by: russ
I've personally viewed Pangasianodon hypophthalmus in a public aquaria. The ones I saw were larger than 4 feet. Had to very close to 5 feet. IMO, That is one fish that should never be imported for the aquarium trade.  Sad
Posted on: January 31, 2017, 12:39:18 PM
Posted by: TwoTankAmin
Note, I do not keep the larger fw species as most of my tanks have been too small. My largest fish are clown loaches in a 150gal.

Are we sure they are not Balas, Balantiocheilos melanopterus? If they are this, then

Quote
Given its potential size this species is clearly unsuitable for the general community aquarium. Though normally quite peaceful it will also eat very small fishes and can upset slow-moving or more timid tankmates with its constant activity and vigorous feeding behaviour.

Itís therefore only appropriate for very large tanks containing robust, similarly-sized tankmates that enjoy the same conditions. There are a number of suitable choices but recommendations include Hypsibarbus wetmorei, Barilius, Cyclocheilichthys, Osteochilus, Barbonymus, Mystacoleucus and larger Garra species.

Although it is gregarious by nature this is a shoaling rather than schooling species which develops a distinct pecking order and therefore should always be maintained in a group of five or more. If only two or three are purchased the subdominant fish may be bullied incessantly whereas solitary specimens can become aggressive towards similar-looking species.
from http://www.seriouslyfish.com/species/balantiocheilos-melanopterus/

If if is a Pangasianodon hypophthalmus, iridescent, then it will get over 4 feet long.

Quote
Unsuitable for all but the very largest tanks. Itís a very active open water species and tends to be skittish when kept in cramped conditions. This can lead to problems with the fish banging into the tank glass and items of decor, often resulting in injury. For even a single specimen to be housed long term a tank measuring at least 15′ x 6′ x 6′ (450cm x 180cm x 180cm) Ė 14,580 litres would be the minimum needed. Juveniles can of course be grown on in smaller tanks............

Itís a shoaling species by nature and will be less flighty when maintained in a group. Obviously a truly enormous tank would be needed to adequately house several.
from http://www.seriouslyfish.com/species/pangasionodon-hypophthalmus/

Note this species is considered endangered.
Posted on: January 31, 2017, 07:21:15 AM
Posted by: Mishellfish
Yes I would say beautiful iridescent sharks
Posted on: August 21, 2016, 03:48:25 PM
Posted by: gunnered72
Iridescent Sharks (Pangassius)

https://en.wikipedia.org/wiki/Iridescent_shark
Posted on: August 21, 2016, 09:08:45 AM
Posted by: Pat Mary
I have no idea of the size of the aquarium so cannot compare the size of the fish to the tank but, I agree that they might be ID shark.  Maybe check with a public aquarium in your area to see if they want them.
Posted on: August 20, 2016, 11:04:59 PM
Posted by: Cichlid752016
Hi I haven't been on here in a while due to moving states but I'm back and have a question. This is a tank I'm aquiring off of Craigslist and the family who's giving it to me says the fish got big quick and the kids are no longer interested so they are getting rid of it. My question is can anyone tell what these fish are? I unfortunately don't have a better pic at the moment. I had 2 ideas but I'm sure they're crazy lol they look like iridescent shark or paroon shark juveniles. If they are I know I have to find a way to rehome them because they are not home aquaria fish lol how would I go about rehoming such fish if they are in fact one of those 2? Thank you!

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