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Green Finleys are aquatic species pertaining to the Finley group in Donkey Kong Country: Tropical Freeze. In spite of this, they resemble neither blue nor red Finleys, and appear in completely different stances in the game.
Green Finleys are somewhat similar to both wrasses and anglerfish, owing to their wide mouths, minuscule eyes and plump rectangular bodies. They are the least common species in the Finley group, being only found in a few levels throughout the game, and behave differently each time. They first show up in the battle with Pompy, where he tosses them from the water onto the arena. Once there, Green Finleys start leaping agitatedly, chasing the Kongs to damage them. However, the player can either dodge them long enough before they retreat willingly in the water, or stomp them once to defeat them.
Other Green Finleys appear in Twilight Terror, a level from Bright Savannah. Here, they jump out of the water right when the Kongs pass by on their Rocket Barrel, carrying various items enclosed inside bubbles. The Kongs can either collect the items, or crash into the enemy, which results in damaging both the Green Finley and the Rocket Barrel.
A single Green Finley makes an appearance in Cannon Canyon, where it repeatedly jumps out of the water with an N letter on its lips, much like the Green Finleys in Twilight Terror. This stance is distinct because the Kongs cannot interact with the fish in any way, since they are carried by a Barrel Cannon whose launch trajectory does not interfere with the Finley. Instead, they could wait inside the cannon and launch themselves with precision, so they could collect the N letter that jumps up and down in the river stream, depending on the Finley's movements.