^^I am sure the other rays would learn not to. In the video above with Pearls and two have much larger spikes going up onto the back and it doesn't seem an issue.
bartzenegger;3835122; said:hi guys, i had one for some years. lost her to an extreme water change. she was in a ray comm. with no problems. all the other rays made it thru the water change. i had her in black sand . she looked neon with a dark body . when she came in she looked like the other pics.
bartzenegger;3838542; said:got it from eczs1 cost wasnt cheap
im still so bummin. she had denticles around the edges . rays went over her all the time and never had a problem. this fish did not look this color at all till the black sand. i used to have a pic over her looking like the others
G @ shark aquarium had some "Falkneri" a while back. I actually emailed him a few weeks ago and haven't gotten a reply about them yet.
Are Falkneri just a Castexi varient?