Ok, here is a subject worth a little discussion. I realized when reworking my tanks that the small green mandarin in my corner tank was most likely a female (short dorsal fin), so I scooped "her" out and put it in the 215 along with my long-time friend the male "dancing Mandarin". They are co-existing, but staying to themselves.

Does pairing take some time, is the female too small (probably 1/3rd the size of the male), or has my male Mandarin been "Swimming with Tangs" too long :roll