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The fisher (Pekania pennanti) is a carnivorous mammal native to North America, a forest-dwelling creature whose range covers much of the boreal forest in Canada to the northern United States. It is a member of the mustelid family, and is the only living member of the genus Pekania. It is sometimes referred to as a fisher cat, although it is not ...
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They reach sexual maturity once they are between 50 and 70 cm (20 and 28 in) in length. [8] Various studies have shown that the life expectancy of fish that survive into adulthood is in the range of 25 to 35 years. [9] The back of the fish is iridescent and blue-green in color, with many yellow and gold spots. [6] [10] The belly is white. The ...
Wintering juveniles forage actively at night between dusk and dawn and are inactive during the day, seeking the darkest available habitat. For the Klamath River green sturgeon, an average length of 1.0 m (3 ft 3 in) is attained in 10 years, 1.5 m (4 ft 11 in) by age 15, and 2.0 m (6 ft 7 in) by 25 years of age. [ 30 ]
The minimum habitat requirements for captive lined seahorses consist of a tank 18 inches vertical in height and 20 to 25 gallons for a pair, 30 to 40 gallons for two pairs. The tank should be kept at a constant temperature between 22 and 25 degrees Celsius (72 and 77 degrees Fahrenheit). [ 8 ]
(A) may comment on and make recommendations to the Secretary and any Federal or State agency concerning any activity authorized, funded, or undertaken, or proposed to be authorized, funded, or undertaken, by any Federal or State agency that, in the view of the Council, may affect the habitat, including essential fish habitat, of a fishery ...
Yellow perch eggs are thought to contain a chemical in the jelly-like sheath that protects the eggs and makes them undesirable since they are rarely ever eaten by other fish. The eggs usually hatch in 8–10 days, but can take up to 21 days depending on temperature and proper spawning habitat.
This is a large kingfisher, 27–28 cm (10.6–11.0 in) in length. The adult has a bright blue back, wings and tail. Its head, shoulders, flanks and lower belly are chestnut, and the throat and breast are white. The large bill and legs are bright red. The flight of the white-throated kingfisher is rapid and direct, the short rounded wings whirring.