A terrifying yet fascinating hybrid creature merging a dog and a jellyfish, designed with an ominous and surreal aesthetic. The upper body of the creature resembles a muscular, fierce dog with sleek, wet fur, sharp teeth, glowing red eyes, and elongated ears, giving it a predatory appearance. Its lower half transitions into translucent, undulating jellyfish tentacles, pulsating with bioluminescent hues of deep crimson, electric blue, and ghostly white. The fusion point between the fur and jellyfish tentacles has a seamless, organic texture, appearing as though the two species have fused naturally. The creature floats menacingly in a dark, underwater abyss, surrounded by eerie, glowing orbs and faint mist-like currents. The jellyfish tentacles writhe hypnotically, exuding both beauty and danger, while the dog's head emits a low growl that resonates through the water. The scene captures a blend of dread and awe, with sharp contrasts between shadows and glowing light, Hybrid creature combining features of a dog and a jellyfish. Upper body has muscular dog appearance with sleek fur, sharp teeth, glowing red eyes, and elongated ears. Lower half consists of translucent jellyfish tentacles pulsating with colors. Creature floats in dark underwater environment surrounded by glowing orbs. Evokes atmosphere of dread and awe with contrasts of shadow and glowing light