pacific sea nettle jellyfish closeup

academy adventure ambient animal aqua aquarium aquatic background beautiful bite blue california closeup colorful creature danger dangerous dark deep defend dive downward exotic fish fluid gelatinous glow glowing isolated jellies jelly jellyfish life marine medusaphase medusozoa movements moving nettle ocean orange pacific phylum predators propulsion pulsate red science sea stinging subphylum swimming tentacles toxin tropical vivid water yellow