Lake and stream invasions of rusty crayfish, Orconectes rusticus, provide excellent opportunities to examine morphological variation in habitats differing in water velocity. Spread of O. rusticus and displacement of resident species in lakes has been attributed to larger mean body and chelae sizes than for native species, but larger body and chelae sizes may not be advantageous in high-velocity environments.
Apr 04, 2017. 1  Sir Ian McKellen has revealed why he never took on the role of Albus Dumbledore in the Harry Potter movies. 2  The 77-year-old English actor â known for playing Gandalf, another famous and bearded wizard from Lord of the Rings â said he was contacted by producers from Harry Potter to play Dumbledore, but turned down the part. His reason: Richard Harris, who played Dumbledore in the franchise before his death in 2002.
Character(s): New York-born actor Whit Bissell (25 October 1909 â 5 March 1996; age 86) is best known to Star Trek fans for playing Lurry on the classic original series episode The Trouble with Tribbles. Footage of his scenes were later incorporated into the Deep Space Nine episode Trials and Tribble-ations.