Do wartskin frog fish and Pygmy rooster waspfish need substrate?

[Joey Ragusa]

I was wondering if wartskin frog fish and Pygmy rooster waspfish need substrate or can I put frag tiles across whole bottom of tank?

 

[JaimeAdams]

They do not need a base substrate.

 

[Joey Ragusa]

neither of them do?

 

[Joey Ragusa]

They do not need a base substrate.

neither of them need substrate?

 

[finessefish]

Will be fine without yes!