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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]
Tubercles on the nose of Fathead minnow (Pimephales promelas) They normally form on the heads of male fish, often covering the whole of the top part of the snout, but may also occur on fins, or anywhere else on the scaled integumentary system. The actual purpose of nuptial tubercles is not definitively known.
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.
This minnow is typically bluish silver on the sides and greenish blue on the back., save for breeding season in which case the male gains a rose colored tail and anal fin. The shiner grows about 5–10 cm (2–4 in) within one year and reach a size of 13 cm (5.1 in) at adulthood. [ 5 ]
3.3 Breeding. 4 Edits/Comments. 1 comment. 5 Edits. 6 Peer Review. 1 comment. 7 Peer review, Nov 24 2013. 1 comment. 8 Assessment comment. Toggle the table of ...
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
The species of fish usually sold as feeder fish are invariably some of the easiest fish for fishkeepers to rear and breed, such as common goldfish, guppies and fathead minnow. Typically, these species are tolerant of overcrowding and have a high fecundity and rapid growth rate. This makes it easy for fish farmers, retailers, and hobbyists to ...
Male White Cloud Mountain minnows sparring in an aquarium. White Clouds are easy to breed and are recommended for novice breeders. They may be conditioned for breeding with live foods such as brine shrimp and daphnia. The minnows should be placed in a small tank with a spawning mop or some java moss. Males will attempt to attract females by ...