Crappie during the spawning period by fly fishermen, and can be taken from frozen ponds and lakes in winter by ice fishing. Before state fisheries departments began to implement more restrictive, conservation-minded regulations, a great number of crappies, especially in the Mississippi River states, were harvested commercially in the 19th and early 20th centuries. At one point the annual crappie catch sold at fish markets in the United States was reported to be approximately three million pounds. A commercial fishery for crappies existed at Reelfoot Lake in Tennessee until 2003. It was one of the few commercial fisheries for crappies in
Creature type (Dungeons & Dragons) animals despite their real-world bases being more closely related to vermin type creatures. Creatures deemed inconsequential by DMs or designers are not given any creature type at all, instead being treated as "set dressing" unless a specific game effect targets such non-creatures. Examples include actual-sized spiders, sparrows, fleas, worms, shellfish, and mice. "Swarm" type creatures are occasionally written to represent such otherwise nonthreatening creatures if they were to group together by some force of magic within the game world. Under the rules of D&D, animal type creatures do not have an Intelligence score higher than 2. When a designer makes