Cool tetracanthus! You don't see those much anymore. They were never exactly common, but I don't see them anywhere (except for conventions). They are an incredible looking species, so why wouldn't they be more common?
My first tetracanthus was almost 30 years ago. The little 4" juvie absolutely ripped through my community tank! What an idiot! Hahahah!
What is the strain of carpinitis there? Chairel?
And I've been meaning to ask about the multispinosa. Where are those super deeply colored fish from? I've always had the rather drab Nics.