Scatfish And Ebjd

ZPond

HI this is my first post to the fourum. Hello Sorry if this has been answered but I haven't been able to find anywhere.

I currently have a planted 125 gallon community tank with a quite diverse mix. Currently I‘ve had no issues with aggression and everyone has lived peacefully. Even the baby mollies which are about 4 months old grew up in a tank with scatfish, angel fish, and EBJD and pea puffers. Recently the past month I have seen the EBJD go up and try and bite or nibble on the scatfish. The scatfish shows no sign of stress or bite marks or injurys. They also swim together quite frequently and are friendly toward each other. What scares me is the EBJD has a very big mouth and might hurt the scatfish. Has anyone heard of this before. Was thinking of seperating the EBJD and scat together into a smaller 55-60 gallon tank. Has anyone had these live in a community tank for a long time?

1 big pleco
1 small pleco
3 chinese algae fish
1 gold dust female molly (currently having babies every month)
1 orange lyre-tail molly
10 of the babies which seem to be golden lyre tails with black specs
7 congo tetra
1 Scatfish about 4x4
1 6inch electric blue Jack dempsy
4 neon tetra
6 black skirt tetra
2 german rams
2 koi angel
1 honey gourami
1 fiddler crab.


My tank has had no issues with aggression and we have had it set up about 6 months. Except for the female pea puffers being crazy psychos and attacking each other and biting tails. We seperated them into a small 8 gallon. Hoping we can get a male and breed them.
 

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A201

You certainly have quite a mixed bag of fish. Your Scat is a brackish water fish. Many keep them in marine tanks. The fact that your Scat is apparently healthy & and growing in a Freshwater tank is somewhat amazing. If your question is, will the EBJD injure your Scat? I doubt it. Scats grow too big for the JD to get in its mouth. I would be more worried about the smaller species in the tank. You are evidently doing a great job managing a very complicated and diverse community tank.
 

ZPond

From what I was told from my most trusted fish store advisor (one of the only honest ones I’ve met) that as long as I don’t put salt in the tank and give it a taste of the salt I will be ok. He has said that he saw them reach full size and live for over 5+ years if we stick to that rule. My Scat also happens to be my shyest fish believe it or not and is very hard to photograph. Had to take this one at a distance before he saw me and ran and hid. My EBJD seems also to completly ignore the small fish. There are plenty of fish he could swallow whole and has never so much as tried that I’ve seen. I included a pic of both for a size comparison. Has anyone ever had a completly docile EBJD?
 

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ZPond

Thanks so much as well for the compliment. If only I could be a pea puffer whisperer and got them to be friendly in the tank as well. .
 

A201

I've raised two EBJD's the male grew to 9 inches and lived 4 yrs. The female was 5 inches and lived 5 yrs. The female JD was very passive, while the male was only aggressive towards one of its tankmates, a Rivulatus, Green Terror. He bullied the GT for years, chasing him around the tank, until one day the GT decided not to run. It didn't end well for the EBJD.
I saw where another member keeps "Monos" a brackish - marine fish in his Freshwater tank. They too looked very healthy. All your fish look very colorful & healthy.
 

ZPond

Thanks so much. Would you guess my ebjd is a female or male. Based off what I read, my best guess is a female. I would say though shes already 5 inches at least. When we got “her” she was around 3 inches and also a white color.
 

A201

The EBJD has a rounded dorsal fin, so my guess is also female.
 

M-Stokes

Watch out those Chinese algae eaters can get really aggressive and attack other fish as they get bigger.
 

ZPond

Thanks for the heads up. They normally just go after each other but the biggest one does have some attitude. There probably the fastest fish in my tank. They like to pick fights with the big pleco but the pleco is bigger. I never thought they could do any real damage. How big do they get?
 

ZPond

This is the largest one.
 

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M-Stokes

This is the largest one.
They can grow to 11 inches, but won't get that big unless they're in a large aquarium.
 

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