Over 8.7 million species of animals exist on Earth, yet only 2 million are familiar to humans, leaving a vast number still unknown.
The Spanish dancer nudibranch, the largest sea slug, can grow as long as a human arm and resembles a floating tongue or flower petal.
Ghost sharks, related to sharks but possessing only one gill on each side, exhibit a ghostly appearance with misty glowing eyes.
The gulper eel, known for its large mouth, swims in groups and uses its mouth to scoop up food, storing it for later consumption.
Crown jellyfish, lacking a heart, brain, or blood, possess a unique biological makeup that allows them to potentially live for thousands of years.
The red-lipped batfish uses its modified dorsal fin to lure prey, showcasing a unique adaptation for hunting in its environment.
The okapi, a rare species closely related to giraffes, features a giraffe-like head and zebra-like ᵴtriƥes, and is currently endangered in the Ituri Forest.