Possibly a flatworm? Help id please

impur

New member
Did a WC on my little cube yesterday and saw this guy on the glass. I have not seen a flatworm like this before, any ideas on an ID?

TIA!

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cloak

New member
I think it might be a nudibranch, as opposed to a flatworm. Lets see what others think.
 

impur

New member
Hmmm well it definitely does not have any cerata, I'm not sure if there are nudibranchs without cerata?
 

pagojoe

Team RC
There are plenty of nudibranchs without cerata, but I can't see enough detail to be sure whether it's a flatworm or nudibranch. If it's a flatworm, it's one of the species that mimic nudibranchs (there are a bunch that do). It does look like it has horns or rhinophores, but I can't tell from the pics whether it has an external gill on the dorsum.



Don
 

impur

New member
There are plenty of nudibranchs without cerata, but I can't see enough detail to be sure whether it's a flatworm or nudibranch. If it's a flatworm, it's one of the species that mimic nudibranchs (there are a bunch that do). It does look like it has horns or rhinophores, but I can't tell from the pics whether it has an external gill on the dorsum.



Don

Thanks for the info Don!
 
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