To me, It looks like maybe a common livefood, a Mosquito Larvae. I'm sure it is. Hanging from top is also common for them since they don't have gills I think. They breath air from the top and do sit till they are disturbed.
To me, It looks like maybe a common livefood, a Mosquito Larvae. I'm sure it is. Hanging from top is also common for them since they don't have gills I think. They breath air from the top and do sit till they are disturbed.