It sounds like an aggressive territorial behavior, such as "this is my space". Mine does that also when I put my hand up to the glass.jimbo said:My red have been acting weird today, they seem miserable, or maybe they're playing? They will float over onto their sides and smack each other in the face with their tails, anybody know why they do this?
yep, mine do this as well... it's cool watching them do it!Sir Nathan XXI said:signs of aggression that mine do is to point their head down to the gravel and curve their tail up wards and open the mouth
then they start to wag