usually use a large styrofoam box lined with plastic (garbage bag). Getting them into the box is a big hassle.
With bichirs its easiest to drain the tank until its 1/3 full and trick them into going into a piece of PVC pipe, once in close both ends with your hands and place into the box. Their dorsal fins are extremely sharp, and when threatened they stick them up and stab you.
With bichirs its easiest to drain the tank until its 1/3 full and trick them into going into a piece of PVC pipe, once in close both ends with your hands and place into the box. Their dorsal fins are extremely sharp, and when threatened they stick them up and stab you.