100% parasites got from bad live black worm or N/C , change water add Praziol will take care that hump
I would suspect a parasite.
first isolate this ray in a Q tank.
if it is eating and excreting then you may be able to do a microscope exam of some of its turd and diagnose an exact parasite. If there is nothing then return it to the general population after a few weeks of observation.
There are plenty of internal parasites which are not at all susceptible to either metro or prazi.....and this is where it gets tricky.....some of the meds for these other parasites are not always well tolerated by rays. Even to tank bred rays can acquire these parasites fairly easily.
Even the best known breeders have had massive calamities with rays and harsh meds, so isolation is a must using some of these meds, with a 100% water change on hand if anything goes pear-shaped.
Capillaria is a commmon one, needing meds like levamisole or fenbendazole, tricky with rays.........
Out of the three witch would you use first witch would you reach for??? The only one that i am familiar with is levamisole and know it is used by some Discus guys and have used it on wild peacock bass...I would suspect a parasite.
first isolate this ray in a Q tank.
if it is eating and excreting then you may be able to do a microscope exam of some of its turd and diagnose an exact parasite. If there is nothing then return it to the general population after a few weeks of observation.
There are plenty of internal parasites which are not at all susceptible to either metro or prazi.....and this is where it gets tricky.....some of the meds for these other parasites are not always well tolerated by rays. Even to tank bred rays can acquire these parasites fairly easily.
Even the best known breeders have had massive calamities with rays and harsh meds, so isolation is a must using some of these meds, with a 100% water change on hand if anything goes pear-shaped.
Capillaria is a commmon one, needing meds like levamisole or fenbendazole, tricky with rays.........