Yellow Bullhead
| Yellow bullhead | |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Ictaluridae |
| Genus: | Ameiurus |
| Species: | A. natalis |
| Binomial name | |
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Ameiurus natalis (Lesueur, 1819) |
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The yellow bullhead (Ameiurus natalis) is a species of bullhead catfish that is a ray-finned fish that lacks scales.
This particular species is a medium-sized member of the catfish family. It is typically yellow-olive to slatey-black on the back and sometimes mottled depending on habitat. The sides are lighter and more yellowish, while the underside of the head and body are bright yellow, yellow white, or bright white. The rear edge of its caudal fin is rounded. The anal fin is much larger than many fish having anywhere between 23 and 27 rays. The yellow bullhead though less common, can be easily distinguished from the brown bullhead and black bullhead by its white barbels or "whiskers". Yellow bullheads are medium-sized bullheads rarely getting larger than 2 lb (0.91 kg) but can reach up to 6.6 pounds, as documented by the International Game and Fish Association. This species is often misidentified on social media and the Internet. Yellow bullheads range in size from 6 to 18 inches and live up to 7 years.
The yellow bullhead is a voracious scavenger that will almost eat anything. It locates prey by brushing the stream bottom with its barbels. Taste buds on the barbels tell the bullhead whether or not contact is made with edible prey. They typically feed at night on a variety of plant and animal material, both live and dead, most commonly consisting of insects, snails, minnows, clams, crayfish, other small aquatic organisms, and decaying animal matter.
Yellow bullhead are bottom dwellers, living in areas with muck, rock, sand, or clay substrates. Its habitat includes river pools, backwaters, and sluggish current over soft or mildly rocky substrate in creeks, small to larger rivers, and shallow portions of lakes and ponds. Their habitat can vary from a slow current with poorly oxygenated, highly silted, and highly polluted water to a more swift current with clean and clear water that has aquatic vegetation. Fishermen often find them in sluggish creeks and rivers with a gravel bottom.
Bullheads have a monogamous relationship with spawning beginning in mid-May or early-June, with both sexes participating in nest-building. Bullheads usually use a natural cavities or make saucer shaped depressions near submerged cover, such as a trees roots or a sunken log. The female will lay anywhere from 300 to 7,000 eggs in a gelatinous mass, and after fertilization the male protects and continually fans the nest of eggs. The eggs hatch within five to 10 days and young fry are herded into tight schools by the male and protected by both parents until they are approximately two inches long. They grow to about 3 inches by one year of age. Sexual maturity is reached between the ages of 2 and 3 years, when the fish are at least 140 mm in length.
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Wikipedia