Ammocoetes in fine sediments of low gradient stream
Three species could be present. Most individuals were ammoceotes found in fine sediment areas in pools and backwaters
Dug this larvae up in the mud, fishermen use them for bait
American Brook Lamprey spawning at Flemming Creek
Its easy to find larval lamprey's in the Russian River in the summer by digging in sandbars in about 4 feet of water. But this is the first and only time I've seen adults spawning
Cephalaspidomorphs are a taxon of jawless fishes named for the cephalaspids, a group of osteostracans. Most of the members of this group are extinct; however, it interests modern biologists because it may include the lampreys. If so, the lampreys extend the known range of the group from the Silurian and Devonian periods to the present day.