Sharks are red; fish are yellow.
Alter the values for Breeding Age and Starvation to
change the behaviour of the simulator.
The simulation will stop running when one population
type drops to zero - the end is inevitable.
Wator is an implemention, in Clojurescript, of the predator/prey
simulation described by A.K. Dewdney in "The Armchair
Source code can be found on Github.