Oarfish Animal Crossing
"Oarfish are deep-sea-dwelling fish with long, thin, silver bodies and one red fin lining their backs. They can reach lengths of over 10 yards, making them huge and striking fish. They usually swim by twisting their long, thin bodies, but they can also swim in more vertical positions. Their mouths are small compared to their bodies and they have no teeth, so they're large but not imposing."