i heard yellow labs arent that aggressive but mine chases everything i have in the tank jaguar 4 inch black convict 5 inch and hap 8inch. is it because the yellow lab was put in first??? the yellow lab is 5 inch
Possibly. If you have another tank, take him/her out for a few days. Change the decor a bit and reintroduce him/her again. Make sure you have plenty of hiding place.