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
Creature type (Dungeons & Dragons) a change to an animal creature that increases its Intelligence or grants it additional abilities, the designer is encouraged to also change the creature's type, usually from animal to magical beast. When real world animals are rendered as vermin (see below) in D&D, they have no Intelligence scores at all. In 3rd edition, the beast type was used for nonhistoric and fantastic, but not necessarily magical vertebrates. The beast type was merged into the animal type in 3.5 edition. A construct is either an animated object of some sort, or an artificially crafted creature. Most construct are mindless automatons, obeying