behaviour question

does the temperature effectt he way a oscar acts?...becuase as ya
knowfrom my other post....ive had problems wit my heaters and i
upgraded to a higher wattage and it has kept the water at a steady
82...(jus seening if it works at a higher temps since the cold
mornings) but since i got the new heaters and started feeding them
treats like live crickets and blood worms....one has been extra
aggresive towards the other.....its been a month and some days since
ive got them and they are 2.5 inches long both tiger oscars. LIke i
would come home from school....and one of the fish would have skin or
flesh or scales hanging and nipped anal and pectoral fins...but acts
normal...they are in a 55 wit two aquatech330s....the one that gets
bite up stil stays around the one who bites...but the one who bites jus
chases it to the other side of the tank...wonder if this aggresion had
to do wit temp, new food, and them just being oscars growing up..thanks
in advance for all yur input...

p.s. amm and nitrIte=0 nitrAte=10 ph 7.6 temp 81(going down to 79)
water chagned and vacuum every friday..and whenever theres food
build up.....



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