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Galitrofey: Live fireworks from a depth of 1.5 km The depths of the ocean are a pretty bleak place. Eternal cold, eternal darkness and evil toothy creatures that are ready to jump out of this darkness at any second do not add positive emotions to the local residents. And yet in this eternal darkness there is a small spark of joy - a firework jellyfish! Scientists absolutely do not understand why an animal living in a world without the sun painted itself in such bright colors. Here you have both purple and gold, and her tentacles generally look like sparks flying in all directions. It’s even somehow a pity that living jellies live at a depth of as much as 1.5 kilometers and never rise higher. However, when calm, the jellyfish is transparent, but when disturbed or threatened, it emits bright bioluminescent colors. The light show is created by specialized cells called photocytes. But local creatures (at least those with eyes) can admire them as much as they like. The main thing is not to get too close, because even underwater fireworks can burn you. The tentacles of galitref are dotted with stinging cells over their entire area - living capsules with mini-harpoons inside and with a hair on the surface. And if something inside touches a hair, the cell will immediately shoot a harpoon with paralytic poison. For humans, such a dose of toxin is not dangerous and will only cause short-term pain. But if you are a fish the size of a kilogram, it will fry you until it seems too small. But the task of the stinging cells is not so much protection as the production of food, because they also respond to plankton, which the jellyfish can then conveniently place in its branched stomach and leave to be digested. But other aspects of the life of a jellyfish are a mystery, shrouded in darkness. The festive jelly has hidden too deeply from us. And any attempts to grow it on the surface are doomed to failure - low pressure kills it in a matter of hours. So galitreph remains a rare delight for the eyes of fish, which are unable to appreciate its beauty, and for several hundred hydrobiologists who work on underwater drones and scientific submarines. Author: Yaroslav Ilyin 🏀 Hit the hoop and get an NFT gift — https://t.me/BasketbolX_bot