Engineer gobies for sale / trade

[junglebase]

I have two engineer gobies for sale or trade. Approximately 6-7" in length. Make me an offer... thanks..

 

[Deanos]

Stock image

 

[Tonyscoots84]

i saw them at the local petsmart i was like wat the hell are they doing. they made themselves a little ditch near the corner of the glass and kept going up and down up and down. lolz very interesting fishs.