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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.
Adaptive hypotheses, including the locomotor hypothesis, [7] Trexler-DeAngelis Model [8] (reproductive allotment), and life-history facilitation, [9] [6] broadly suggest that the placenta evolved to facilitate the evolution of another advantageous trait in the fish's environment. The conflict hypothesis suggests the placenta is a nonadaptive ...
The guppy (Poecilia reticulata), also known as millionfish or the rainbow fish, [3] is one of the world's most widely distributed tropical fish and one of the most popular freshwater aquarium fish species. It is a member of the family Poeciliidae and, like almost all American members of the family, is live-bearing. [4]
Eastern mosquitofish are found in shallow, standing to slow-flowing water, mostly in vegetated ponds, lakes, and sloughs. [2] This species thrives in water between 31 °C (88 °F) and 35 °C (95 °F), and seems to be able to acclimate to temperatures above and below this.
Livebearers are fish that retain their eggs inside the body and give birth to live, free-swimming young. They are especially prized by aquarium owners. They are especially prized by aquarium owners. Among aquarium fish, livebearers are nearly all members of the family Poeciliidae and include: guppies , mollies , platies and swordtails .
Best lakes for swimming in the country, according to USA TODAY. 1. Lake Jocassee (South Carolina) 2. Geneva Lake (Wisconsin) 3. Lake Erie (New York, Ohio, and Pennsylvania) 4. Norris Lake ...
The base color of the fish is greenish-gray. [6] Adults, and especially males when courting females, exhibit a metallic steel blue gloss. [4] The male's caudal peduncle and dorsal fin are black, while the caudal fin is yellow with a black rim. [7] Male fish usually also have patches of black and sulfur-yellow scales on their heads, fins, and ...
Longear sunfish, like additional members of the family Centrarchidae, are freshwater fish. They prefer streams with a firm clay bottom or gravel with clear waters and they typically stay nearby aquatic vegetation. [7] Although more abundant near the sources of streams, sunfish can be found in water sources of all sizes and are also found in lakes.