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DIY Goby Cave

redfishbluefish

redfishbluefish

Officer Emeritus
Officer Emeritus
Has anyone put together a goby cave to try to keep your goby from undermining your corals / rocks.

I picked up a Diamond Goby and did not know that they were cave builders. I've only seen them eat sand and spew it out their gill slits. Never saw one that actually built a cave. Well within two days mine has moved a bunch of sand from under a large Frogspawn causing it to now lean over into the glass. He has a partial cave...but looks like he's still mining around the Frogspawn. I'm not concerned about my rock becuase that was put directly on the glass before the sand was added.

Anyway, I was thinking about picking up a PVC conduit elbow and maybe some plumbing 45 elbows for the ends to try to build an artificial cave for this guy....open on both ends. I have no idea if he'd go into it and that is why I'm now inquiring. Has anyone tried something similiar? This is what a conduit elbow looks like:

ELL-90-1-orig.jpg
 
MadReefer

MadReefer

Staff member
NJRC Member
Moderator
Paul, I think on Manbattan Reefs there is a thread about using PVC to build a cave. You can glue sand, rubble, etc. To make it look natural. If not there try Reef Central.
 
redfishbluefish

redfishbluefish

Officer Emeritus
Officer Emeritus
Guys, thanks for the responses.....and Marcus, I didn't do the barnacle one...that was someone else. I did the rock one in post #6....but thanks for the offer.
 
David

David

I just used some pvc unions under my rocks to create space. My shrimp and goby can dig all they want. The rocks can never shift. My goby has 5 entrances in different locations, and an elaborate tunnel system. We don't know that the thing won't dig else where in spite of your efforts. They don't always do what we want, or expect them to. This allows them to make there own habitat. No unnatural pvc will show either.
 
Hawkeye

Hawkeye

I have used the pvc rig that jose posted from R2R. My firefish at the time loved it. My pearly jawfish ignored it. I believe i didn't set it up deep enough in the sand - hence why the firefish utilized it. Good luck!
 
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