Final answer:
Fish in the epipelagic zone have countershading, spindle-shaped body with a terminal mouth, and a fan-shaped tail.
Step-by-step explanation:
Characteristics of fish in the epipelagic zone include: having countershading (dark on top and light on bottom) which helps them blend with their environment, having a spindle-shaped body with a terminal mouth which enables them to swim swiftly, and having a fan-shaped tail which helps in propulsion.
Learn more about Fish characteristics in the epipelagic zone