![]() The herbivorous portion of their diet is primarily made up of algae and phytoplankton. The carnivorous portion of their diet is made up of mainly insects, crustaceans, other aquatic invertebrates, and zooplankton. Diet and Predators įathead minnows are omnivores that are categorized as Benthic filter feeders, sifting through dirt and silt to find food. They can also be found in larger lakes, streams, and other habitats, as well. The fathead minnow is quite tolerant of turbid, low-oxygen water and can most commonly be found in small lakes, ponds, and wetlands. Their tolerance for multiple environmental conditions, characteristics of their life history, and their popularity as bait species contribute to their widespread distribution. Distribution and habitat įathead minnows are distributed across North America from Chihuahua, Mexico, north to the Maritime Provinces and Great Slave Lake drainage of Canada and have been introduced to Atlantic and Pacific coastal drainage basins in the United States. Typical total lengths are between 7 and 10 cm. Fathead minnow ( Pimephales promelas) a breeding male displaying tubercles and thickened dorsal pad of mucus-secreting cells. Breeding males acquire a large, grey fleshy growth on the nape, as well as approximately 16 white breeding tubercles on the snout. There is a dusky blotch midway on the dorsal fin. The fathead minnow in its wild form is generally dull olive-grey in appearance, with a dusky stripe extending along the back and side, and a lighter belly. ![]() This fish is best known for producing Schreckstoff (a distress signal). Its golden, or xanthic, strain, known as the rosy-red minnow, is a very common feeder fish sold in the United States and Canada. ![]() This minnow has also been introduced to many other areas via bait bucket releases. 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. 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. ![]()
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