ocean depth underwater wildlife infographic, educational oceanography diagram

abyss anglerfish basin bathypelagic black blue crab depth diagram diver dragonfish education epipelagic exploring fishing giant hadal height illustration infographic invertebrates jelly leatherback marine mesopelagic microbes nature nets oarfish ocean oceanography octopus orca scheme science scuba sea shark ship shrimp snailfish sperm squid trawl turtle underwater vector whale wildlife zones