Fish Mainly At Bottom

[morane]

My fish seem to spend most of the time at the bottom of the tank, Only a 2 footx 1x 1.
does that suggest a problem.
Morane

 

[Thomas 2507]

How active are they and what species do you have?

 

[england]

what fish?
how many?
filteration?
cold or tropical or marine?
water stats?
how longs tank been set up

 

[morane]

How active are they and what species do you have?

1 plec-2 rummy noses-4 neons-3 dark neons-1loach

what fish?
how many?
filteration?
cold or tropical or marine?
water stats?
how longs tank been set up

plec-7 neons-loach-2 rummy noses-

fluval 2 fliter- 3 years set up tank-tropical tank- have not really done any official water tests.
What should I do and what would it mean?