The Flowerhorn fish is no different from other tropical fish when it comes to temperature of its habitat. It flourishes in temperature between 20-30 C. It is recommended to maintain a temperature between 28-31 C.he Flowerhorn fish is no different from other tropical fish when it comes to temperature of its habitat. It flourishes in temperature between 20-30 C. It is recommended to maintain a temperature between 28-31 C.
Two years later, Hansen was called to New York to appear on a new NBC program starring Brokaw and Katie Couric, and in 1994 he joined the staff of Dateline NBC. It was on Dateline, Hansen stretched his legs as a TV journalist. Take any major news story of the previous two decadesâthere is a good chance he covered it.
Early life and education. Hansen was born in Denison, Iowa to James Ivan Hansen and Gladys Ray Hansen. He was trained in physics and astronomy in the space science program of James Van Allen at the University of Iowa.