We have a pond scarecrow that chases away the critters. In the pond, we only have goldfish. I scooped him out of the water, so he would have been attacked in the pond? I wondered if there is a cause for spontaneous eruption ? Also, we have a green pond frog that lives in the pond. Could he have attacked the toad? The green pond frog just showed up last summer and stuck around over the winter. I saw him just the other day catching some rays