I definitely need to get them their own tank, and out of the Hillstream tank… the 2 larger ones black / grey dorsal fins, not sure if they are the males or females, but witnessed what looked like spawning activity this morning at 1st light… tank is crowded, with the 2 bigger pagodas in the tank, they can swim around them, but mostly hang in the center of the tank, lots of activity… I’m going to move them to my empty tank, as soon as I get it emptied out, and sterilized… they have been gracious towards the Hillstream’s, but are too big for this morning’s activity level, and their limited space in this tank, with the hard scape