I recently purchase two about 1/2” in length. In my 200 gal tank it’s hard to feed them. However with lots of lr they’re doing quite well. Now about 1” in only a month, with fat bellies. Beautiful fish. They hang out together. How they’re able to hover in place with all my flow is amazing.Just a note of interest you may or may not know but they are aquaculturing these and they actually to my surprise are raised eating pellet food . The ones I saw here in Orlando fl. were expensive but given that they are aquacultured and eating pellet seems like it might be worth the cost given the alternative of keeping a culture of pods growing .