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Fathead minnow (Pimephales promelas), also known as fathead or tuffy, is a species of temperate freshwater fish belonging to the genus Pimephales of the cyprinid family. The natural geographic range extends throughout much of North America, from central Canada south along the Rockies to Texas, and east to Virginia and the Northeastern United States. [2]
Pimephales, commonly known as the bluntnose minnows (a term used locally to refer to Pimephales notatus specifically), is a genus of cyprinid fish found in North America. All of the four species are small fish, with P. notatus being the largest at 11 cm. (about 4.3 in.) These minnows can be found all over North America and are commonly used as ...
Male fathead minnows (Pimephales promelas) cease production of schreckstoff during the breeding season, but still exhibit antipredator behaviors in response to schreckstoff during this time. [12] Schreckstoff production may be halted at this time because male fathead minnows often incur mechanical damage while building their nests.
Toggle List of West Virginia fishes by spawning temperature subsection. 2.1 Graphical thermometer. ... Fathead minnow (Pimephales promelas) O,N,P; Bullhead minnow ...
Generally, minnows breed with the slightest rainfall and within a wide temperature range. Contrary to the long-standing presumptions, climate change poses 'negligible' threat to minnows' reproduction. Minnows are also flexible in attaining pre-spawning fitness, which makes them avoid 'skipped spawning' decisions while facing climatic variabilities.
Native to Colorado. They inhabit small streams, ponds, and lakes and are very tolerant of most types of water clarity and pH levels. Fathead minnows will eat organic debris, aquatic insects and zooplankton in their daily diet. Fathead minnows can grow up to 4 inches in length but will usually range between 2–3 inches. [10] LC
Fathead minnow: Pimephales promelas: Mid water or near bottom, streams, pools Flathead chub: Platygobio gracilis : Big rivers, bottom composed of sand and fine gravel ENDANGERED Creek chub: Semotilus atromaculatus: Pools in headwater streams, large rivers with rocky bottom Esocidae (family) Grass pickerel: Esox americanus vermiculatus: Small ...
Competition among the ninespine stickleback exists. However, ninespine stickleback habitat exists in the pelagic zone, while the brook stickleback occupies the littoral zone. In the presence of fathead minnows (Pimephales promelas), the brook stickleback has a more diverse diet since the fathead is a more generalist feeder. [citation needed]