these rays are in the pic at only 2-3weeks old and yes on light sand, they are now darker and brighter white spots on bare tank bottom and just under 8 weeks old
they are 100% not leo x motoro, this has come to light here in uk due to another add for such hybrids at 325 each (got to be a joke)
their tails are 100% blunt short square paddles not round or pointed!! the pic posted does not in any way show the tail correctly
all have been sold now apart from one pair of hold backs! seems others saw the potential of these young but i cant help thinking this post was started due to a silly offer being refused and followed by bitter emails!!!
could be wrong but i very much doubt it lol
will do more pics for you