green wolf eel blenny

desertwitch

New member
I posted this yesterday and have yet to receive a reply. Has anyone had any luck with other forums or sources? I found the green eel blenny in the overflow today; probably from being chased by the brown eel blenny. I really could use some advice.

How can I differentiate between male and female wolf eel blennys (Congrogadus subducens)? I'd been told (perhaps erroneously) that the one I've had in my tank for 6 months is a female - it's mostly brown, not a spot of green on her. The same person also told me the males are more green. Tonight I introduced a green-colored one who is a bit smaller than the resident blenny. There was some strange behavior at first. The resident blenny turned sideways and kept rubbing on the newcomer. Both would sort of "shiver" occasionally. I'm wondering if that is them just establishing a heirarchy or if it's courting behavior? The resident blenny followed the new one about for quite a while, and is now chasing and biting at it. Is the newcomer in danger? I have a 130g reef tank with lots of rock for hiding. Any info on these fascinating creatures is greatly appreciated. I've only been in this hobby about a year.
 
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