He was cool with moving onto the activity. Interacting with the creatures was more fun than discussing about them. Wait, they were going to do the Flying Seahorse Fishing? He did not want to hurt the poor things ... but apparently it helped with the population control thing, so it probably was not all that bad either.

Carl watched Professor Draper's demonstration and repeated the incantation. "KAHR-pay ruh-TRACK-tum. KAHR-pay ruh-TRACK-tum. KAHR-pay ruh-TRACK-tum." Now to put it together. "Carpe Retractum!" It was a cool incantation. Almost as cool as Aguamenti.