EBJD
I recently became intrigued with EBJD and started a 40g tank where I currently have 3 small EBJD's. From what I can recall from all the reading I did before deciding to start an EBJD tank, the symptoms you describe (fish suddenly not eating, skittish, etc...) are not good signs.
Many of the people who stated that their EBJD's began displaying those symptoms almost always ended up losing their fish a few weeks later. All you can probably do at this point is to make sure that you maintain the water quality as good as possible and feed him the best food you can find. Unfortunately, in the end as previously stated the bloodline in these fish seem like its not very good due to inbreeding and bad genetics and they end up dying suddenly for no apparent reason.
I purchased my 3 EBJD's at $25 a piece with the knowledge that they are very delicate fish but I see it as a challenge to see how long I can keep such beautiful fish alive. You are blessed to have been able to keep your EBJD alive and growing for two years and should not be discouraged in purchasing another one if you lose him. Good luck.
