But when it wants to blend in with its environment to hide from its enemies, it can take on the color of its immediate surroundings: the ocean floor, a rock, a piece of coral, whatever.
The government said that while Bhutto dodged the attack, the power of the blast struck her head against the car's skylight, causing her skull to crack and die.
But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.
Koch also increased its dumping of wastewater on weekends when it didn't monitor discharges, circumventing the reporting requirement of its permit, the EPA said.