Do Nems have brains ?

[Top Water]

The green Nem was in my tank for years so I added some Red ones on other side of a 210 so a pretty good distance apart and within one night they move in with the green one . I moved them back on other side of tank again back together next day . So they know where they want to be and its not alone.

 

[troublemaker]

I know mine doesn't. At least yours finds others like itself, mine has developed a fetish for Gyres and now powerheads.

 

[Bommie]

I wonder if its a survival thing?

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