Sand for snakehead tank ?

[Raibaman]

GUYS ! Amateur snakehead keeper here and i need you opinions, and fast. Should i put sand in my 50 gal. Aquarium for my 3 juvenile 4" snakehead ? Cause whenever I see them swimming away from me either startled I've noticed that their lower mouth or jaw touches the bottom of my aquarium while swimming i mean is this their natural way of swimming or i don't know.And BTW i have a driftwood in my current aquarium.


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[-DC-]

Sand is fine, Not sure about the swimming

What type of snakehead ?

 

[Brucki]

Hi,

i had sand in most of my 17 tanks. Some species like to dig in it (my asiatica did) . But fine silica gravel si ok , too

Cheers

 

[bottles]

All of my Channa tanks have sand substrate.
The only time that I see mine swim with their jaws down are when they are squaring up to fight, but not when they are startled.

 

[scharoel]

My marulioides do the same thing when get startled. They only come at me when see me bring the container of meal worms.