Most are outside of the most common ones. If I recall, some clown loaches are aquacultured but this involves artificial introduction of hormones to force them to spawn so they aren't much better of an option.
This^ is how they are captive breeding Denison barbs also!.
I own both in good schools in my 180(11 clowns@10-15 yrs , and 12 roselines @5+ years).
Great article!
My loaches and roselines go ballistic for tubiflex worms.
More then anything else I offer.
I have a pair of my clowns dance several times over the years almost seasonally?(the whole tank can get on edge due too them).
When either group decide to tear it up the whole tank spins around them!
I run moon lights and they are active or "clowning" almost 24/7.
Info in article is pretty good as most feel clowns are ich magnets I have a hard time telling new owners once they establish they are almost bullet proof!They are not immune but some want to believe so!
I didn't know I may have 20-30 more years with them!
I will have to build the basement aquarium!