Prompt: A merfolk researcher, observing an unusual catch, through a retrofuturistic aquascope, illuminated by bioluminescence, reminiscent of Jean Giraud, Ernst Haeckel, and Pierre Vallentin, natural history illustration, surreal underwater scenes, speculative evolution, searching for answers amid improbable lifeforms, monochrome aquamarine, vivid details, dramatic lighting, intricate marine specimens, 16K, masterpiece quality