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The location of the State of Tennessee in the United States of America. Topographic map of Tennessee. The U.S. state of Tennessee has a uniquely diverse array of fresh-water fish species, owing to its large network of rivers and creeks, with major waterways in the state including the Mississippi River which forms its western border, the Tennessee River, the Cumberland River, and the Duck River.
Grey teal ducklings tend to be at higher risk of predation than adults. Other aviator predators pose a threat as they are known to take ducklings out of nests from approaching above. [3] When in the water ducklings are at risk from eels, rats and swamp harriers as they have been known to predate when the ducklings are swimming. [10]
Percophidae was first proposed as a family in 1839 by the English zoologist William Swainson as a subfamily of the Percidae. [2] The 5th edition of Fishes of the World classifies this family within the order Trachiniformes and divides it into the subfamilies Bempropinae, Henerocoetinae and Percophinae. [3]
The slender snipe eel (Nemichthys scolopaceus), also known as the deep sea duck, is a fish that can weigh only a few ounces, yet reach 5 feet or 1.5 m in length.Features include a bird-like beak with curving tips, covered with tiny hooked teeth, which they use to sweep through the water to catch shrimp and other crustaceans.
The full distribution of the bull ray is uncertain but it is known to be found in the Mediterranean Sea, [5] the Black Sea, the eastern Atlantic Ocean between Portugal and Guinea, the Atlantic from north of Saldanha Bay in western South Africa and round the rest of the South African coast into the Indian Ocean up to Maputo Bay in southern ...
The gadwall was first described by Carl Linnaeus in his landmark 1758 10th edition of Systema Naturae. [3] DNA studies have shown that it is a sister species with the falcated duck; the two are closely related to the three species of wigeons, and all of them have been assigned to the genus Mareca.
A rarely seen deep sea fish resembling a serpent was found floating dead on the ocean surface off the San Diego coast and was brought ashore for study, marine experts said. The silvery, 12-foot ...
Characidae, the characids or characins, is a family of freshwater subtropical and tropical fish belonging to the order Characiformes.The name "characins" is a historical one, [2] but scientists today tend to prefer "characids" to reflect their status as a, by and large, monophyletic group (at family rank).