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The brown bullhead may be distinguished from flathead catfish (Pylodictis olivaris) by the absence of lateral posterior extensions on the tooth patch of the brown bullhead's upper jaw. [ 5 ] [ 10 ] Adult brown bullheads range in size from 200 to 500 mm (7.9 to 19.7 in) and weigh between 0.5 kg (1.1 lb) and 3.6 kg (7.9 lb) (in extreme cases). [ 8 ]
Ameiurus is a genus of catfishes in the family Ictaluridae.It contains the three common types of bullhead catfish found in waters of the United States, the black bullhead (Ameiurus melas), the brown bullhead (Ameiurus nebulosus), and the yellow bullhead (Ameiurus natalis), as well as other species, such as the white catfish (Ameiurus catus or Ictalurus catus), which are not typically called ...
Also, the brown bullhead generally has 21 to 24 soft rays through its anal fin as opposed to the black bullhead's 17 to 21. The brown bullhead is also typically mottled brown and green on top instead of the darker black. Both the black and brown bullheads can easily be distinguished from the yellow bullhead by the color of the barbels on their ...
The anal fin has anywhere between 24 and 27 constituent rays, more than that of other bullheads. The yellow bullhead can be easily distinguished from A. nebulosus and the black bullhead (A. melas) by the group of white barbels or "whiskers" under its chin. The pectoral spines are barbed posteriorly like those of the brown bullhead.
The Ictaluridae, sometimes called ictalurids, are a family of catfish native to North America, where they are an important food source and sometimes fished for sport.The family includes about 51 species, some commonly known as bullheads, madtoms, channel catfish, and blue catfish.
The bullhead minnow is cylindrical and small in size, with an average length of 5.7 centimetres (2.2 in) and a maximum length of 9.2 centimetres (3.6 in). [3] The males of the species are dark in color, brown, olive, or tan, with two light colored vertical lines down their side, while the females are plain in comparison.
Protists are a large group of diverse eukaryotic microorganisms, mainly unicellular animals and plants, that do not form tissues. [8] The earliest eukaryotes were likely protists. Mating and sexual reproduction are widespread among extant eukaryotes including protists such as Paramecium and Chlamydomonas.
The flathead catfish is olive colored on its sides and dorsum, with a white to yellow underside. Individuals, particularly young specimens from clearer waters, [6] may be strongly mottled with dark brown to black color. [7] The eyes are small and the lower jaw prominently projects beneath the upper. A premaxillary tooth pad has posterior ...