Some of our trout eggs (triploid) that we have in the office for the Rivers and Lochs in the Classroom have just begun to hatch. Not having access to alevins all that often this morning I took the opportunity to get a few snaps of some developed eggs and recently emerged alevins. Hatched in the last few days these small fish are largely immobile. However we can tell that they are alive as there is an almost imperceptible heart beat A dead and a healthy egg for comparison. The healthy egg is on the left of the frame. It will…

Source: Ayshire River Trust – Alevins in the office