marine life does some weird sh!t lol that even the most renown scientist cant explain , as long as its not killing stuff or annoying anything its cool lol,
i had a condy nem just literraly float in the middle of my tank for a whole day , looked like a UFO , inflated and everything even with powerheads pointing straight at it , it wouldnt budge, it finnaly settled in the back on my tank the next day lol