Tiger Butterfly Loach - have one of these little fellas in my aquarium and are amazing to watch !
See more in the All Things Aquaria board: https://www.pinterest.com/JibinAbraham/all-things-aquaria/ Wild Betta Smaragdina
Coolie loach, I might put one of these in.
magical forest aquarium - Google Search
Dragon Fish Arowana
ghost catfish- I've had these before and they can be sensitive, but I'm gunna work up the courage to own them again soon
Fire Ring Danio. Freshwater tropical. Max size: 2.5". As with other danios, hardy, active schooling fish.
Swimming blue guppy, tropical fish pet, via Flickr.
bettas - Google Search
Black turquoise #betta #fish