Pebble manta
Midjourney V8.2Image
The prompt
Original invented creature: a flying pebble-skinned manta ray gliding over a canyon at blue hour, bioluminescent belly dots, concept art, Original invented creature concept art, cinematic fantasy wildlife, not a trademarked character
A study pair: this file, this prompt. Outputs can be fictional or stylised, and running the same prompt again will not give the same result.