Playful nipping?

[seagull]

So yesterday i put tortilla in burritos tank
they are very close in size and i figured tortilla would grow better with more space
they seem to get along other than the fact that occasionally they kinda ram their heads into each other as if they are nipping but neither of them are injured in any way
perhaps they are kissing (it is valentines day lol)
anyone else notice this?

 

[Autumncrossing]

I'm not sure what kind of tortilla or burritos you have but mine generally stay on their plate, maybe try putting some hot sauce on them?


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[silk]

Do they actually nip at each other or do they just press their faces together? unless the size difference is an inch or two more they should be pretty peaceful