macro photography underwater northern sea nettle or brown jellyfish jellyfish

abstract animal aqua aquarium fish aquatic art background bioluminescent blue brown jellyfish chrysaora melanaster colorful costal dangerous dive exotic fire aneomefish green illustration immortal jelly life marine medusa phase natural nature nettle northern sea ocean oceanography pacific plankton poison polyp jellies sexual swimmers tentacles tropical umbrellashaped underwater water wild wildlife macro photography close-up