This is a Do it yourself video on aquarium coconut hides, and specifically ones for corydoras catfish. though it covers all types of fish that appreciate a good cave to hide or relax in, bettas love them!
by Luxy Hair
by C for Creation
by MsParkPark
by Guidecentral English
by howtofunda
by Sushmita's Diaries
by KlairedeLysdotcom