Danio margaritatus temperature—conditions that can often be met with treated tap water. It does not require much space, as it is not a very active swimmer, and is not a true shoaling fish, meaning it does not require large numbers of conspecifics for its well-being. In a small tank, a group of six individuals—half males, half females—will do well and exhibit natural behavior. They tend to be rather stationary, hovering in a peculiar position in favorite spots; males and females tend to keep separate when at rest. Altogether, their behavior again resembles "Danio erythromicron" more than other fish. Tanks for the celestial
Revenge of the Creature debut of Clint Eastwood, who appears uncredited as a lab technician named Jennings early in the story. He is shown having a discussion with Professor Ferguson, accusing a test subject cat of eating a lab rat, only to find the rat in his lab coat pocket. Critically reviewed in "The New York Times", "Revenge of the Creature" was dismissed as a fourth-rate sequel with the comment, "... away we go, as before." Other than some interesting sequences involving the setting, "What is probably the most unusual aquarium in the world makes a nice, picturesque background indeed ..." the review was