Common bleak small shellfish and plant detritus. It is found in streams and lakes. The bleak prefers open waters and is found in large numbers where there is an inflow of food from pumping stations or behind weirs. The bleak spawns near the shore in shallow waters. Some are found in deep water. The substrate is not important. The bleak is an important food source for predatory fish. It is more sensitive to pollution than other cyprinids, which might explain the decline in North-Western Europe. Bleak are used as bait for sport-fishing for larger fish. In 1656 in Paris, a Mr. Jaquin
David B. Bleak hands, killing him. Bleak was then confronted by a second soldier, whom he reportedly grabbed by the neck, fatally crushing his windpipe. A third Chinese soldier then approached, and in the ensuing scuffle, Bleak used his combat knife to kill him. Bleak then returned to the patrol and attempted to treat more wounded members, but soon thereafter a Chinese hand grenade bounced off the helmet of the soldier standing next to him and landed nearby. Bleak tackled the soldier and covered him with his larger frame to protect him from the grenade, but neither was injured in the ensuing blast.