Columbian Shark - less active

[Don]

I have 3 columbian sharks which are 3-4". When I first got them they
swam constantly all over the tank and went nuts at feeding time. The
last few weeks they started staying in a small area in the corner of
the tank and only eat food after its been laying on the bottom for
awhile and happens to be in there way.

This doesn't seem normal, anyone know what might be wrong? They're
currently in 125g brackish tank (~1.5T/gal). I also have 2 baby
scats, a small irredecent shark, and a few neons (starter fish).

Thanks for any thoughts.

[Sue]

What is the SG? You need a hydrometer to keep brackish levels steady.
Is the Pangasius ( freshwater fish BTW ) larger than the C sharks? It sounds
like they are cowering from something. Try adding/moving decor so they can
get out of line of sight.
Sue

"Don" > wrote in message
om...
> I have 3 columbian sharks which are 3-4". When I first got them they
> swam constantly all over the tank and went nuts at feeding time. The
> last few weeks they started staying in a small area in the corner of
> the tank and only eat food after its been laying on the bottom for
> awhile and happens to be in there way.
>
> This doesn't seem normal, anyone know what might be wrong? They're
> currently in 125g brackish tank (~1.5T/gal). I also have 2 baby
> scats, a small irredecent shark, and a few neons (starter fish).
>
> Thanks for any thoughts.

[Don]

I noticed I put 1.5T/gal... it is actuall 1.5T per 5 gal.

The freshwater fish (irredecent) is a little larger than the Columbian
sharks, but he spends most of his time hiding in the rocks and is very
timid so I don't think he is intimidating any of the other fish.

Don