Sea Pickle
"The Sea Pickle is a quirky, small, tube-like sea creature found on ocean beds. Its glowing green body gives off a faint bioluminescent light, making it easy to spot at night. It's known to wriggle out of nets and rods, making it a tricky catch. Despite its unassuming appearance, it's highly valued for its oddity and unique glow."
Pufferfish
"Pufferfish are clumsy swimmers that can fill their elastic stomachs with huge amounts of water & air to blow themselves up to several times their normal size. They do this to evade and scare off predators. On top of their bloating abilities, they also are one of the most poisonous fish in the sea... Also they are the only bony fish which can close their eyes!"
Skelefish
"The Skelefish is a literal fish skeleton, eerily animated as if it still had flesh. Its bony structure drifts through the water, with jagged, rib-like bones and a hollow skull that stares blankly ahead. Only can be caught during FischFright"
Sea Mine
"An inactive naval sea mine that has somehow made its way down here. Caught in crab cages in the Desolate Deep."
Emperor Jellyfish
"The Emperor Jellyfish is a very unique and incredibly rare breed of jellyfish, only found in the gloomy waters of the Desolate Deep. They carry around a stalactite in which they use as an offense mechanism against their prey. They are extremely electrifying to the touch, which makes them a menacing catch for most anglers."
"Nessie is thought to be a complete myth. Little did these anglers know, you found the impossible catch... Nessie... Only obtainable during FischFright"
Reference
Nessie . Dorrie (From Super mario 64, probably).
"The Eyefestation is an evolved breed of Bull Sharks. They possess a large amount of bright green eyes all over their face for spotting prey in the Brine Pool to feed on. The Eyefestation inhibits aggressive behavor towards other creatures, but this is likely a territorial response. If something happens to gaze into one of the Eyefestation's many eyes, they will be put in a dazed state where they become a vulnerable target."
Reference
Eyefestation . Enraged Eyefestation from 'Pressure' Roblox game.
"The Midnight Axolotl is a variant of Axolotl that has adapted to the Desolate Deep. Midnight Axolotls are known for their adorable looks and giant size compared to regular Axolotls. They are most commonly seen at night while other fish sleep. It has been theorized that the glowing gills on the sides of their head have evolved, allowing them to use echolocation to see predators in even the darkest waters. Despite being on the lower end of the food chain, they use their agility and abilities to hide within the Desolate Deep. It is currently unknown how many Midnight Axolotls are residing there."
"Who would leave this in an ocean? Seems to be in great condition too. A common boot, must of fallen off of a boat?.. Or someONE must of fallen off a boat.. Whatever. either way, it's yours now!"
Reference
Boot . Hermes boots from Terraria.
"Crabs are cute crustaceans that search the ocean floor for food. They can be found in plenty of ocean regions. Be careful, some can have harshly strong claws."
"A simple, squeezable, rubber duck! It may have been lost in one of the deepest parts of our discovered world… But, it is in great condition!"
"Carps are freshwater fish that are known for their whisker-like barbels around their mouth. Carps can adapt to plenty of different environments, as they can thrive in various water conditions. Due to their resilience, they are a common choice for stocking man-made ponds and lakes! They are also pretty cute, in my opinion."
Reference
Carp . Magikarp from Pokémon.
"A mythical, elusive goldfish found beneath waterfalls, said to bring fortune to rare finders."
"The Catfish is a large, whiskered bottom-dweller with a sturdy build and smooth, scale-less skin. Known for its whisker-like barbels, which help it sense food in murky waters of Mushgrove Swamp, the catfish is a resilient and adaptable fish."
"The Dolphin is a playful, intelligent marine mammal known for its sleek body, curved dorsal fin, and high intelligence. Dolphins are fast swimmers, known for jumping out of the water in graceful arcs and interacting with boats and swimmers. Found in the ocean."
Reference
Dolphin . A dolphin doing tricks with a ball.
"The Flying Fish is a unique fish, renowned for their wing-like fins which give them the ability to soar above the ocean's surface. They use this ability to swiftly evade predators as well as dwelling near the surface to find small organisms to feed on."
Reference
Flying Fish . Angels, can be demon form if it has 'Hexed' mutation.
"A large log of wood that must have drifted on to shore. Could be great for house projects!"
"Lobsters are valueable crustaceans known for their rich, succulent meat. Lobsters are most active in the summer to autumn, and are commonly caught in crab cages during calm clear days."
"A sharp and spiky rock formation that has fallen from the ceiling of a formidable cavern."
"A colossal, serpent-like creature with armored scales and glowing eyes, lurking in the abyss. The Ancient Depth Serpent is only active when The Depths go completely dark... No one knows where it goes in the meantime, possibly lurking in a secret cave?"
"A large, eerie crab with long, spindly legs and a tough, armored shell."
"Scallops are known for their ability to 'swim' by rapidly opening and closing their shells, which propels them through the water. They can be found best in sandy or grass filled areas of the ocean."
Reference
Scallop . An open Scallop shell with pearl inside.
"Axolotls are small carnivorous creatures who reside in the Roslit Bay pond. They are nocturnal creatures and are known to hunt primarily worms. They are well known for their ability to regenerate and adorable faces"
"The Anomalocaris is a large predator of the Ancient Isle. They flex their fins in a wave-like motion to generate speed, which they use to pursue prey. They bear strong armor-like scales on their backs, making them quite strong. The Anomalocaris went extinct around 485 million years ago at the end of Ordovician period."
"The Mushgrove Crab is a rare species of crab. They have fully adapted to the Mushgrove Swamp and commonly eat off of the massive fungal life that has taken over the swamp."
"The Napoleonfish, also known as the Humphead Wrasse, is a large and brightly colored fish with a distinctive bump on its forehead. Despite its size, it is surprisingly agile, making it a thrilling challenge for anglers."
"The starfish is a marine invertebrate with five arms that have hundreds of little feet which they use to move around. They prey on small organisms in thier habitats, and are usually out and about during the daytime."
Reference
Starfish . Patrick Star from SpongeBob SquarePants.
"Turkey are large and heavy birds with a uniquely-shaped tail consisting of many feathers that line up to create a circular pattern. However, the poor Turkey is a desired choice of food for many fischers for Fischgiving dinner."
Handfish
"The Handfish is a unique, small, and critically rare species with pectoral fins that resemble hands, which it uses to 'walk' along the ocean floor rather than swim. They can only be found stomping on the floors of Mushgrove Swamp."
Haddock
"Haddock are small, silvery fish found in cold ocean waters. Haddock are often found in large schools, they are relatively easy to catch and are easy to find near their signature Haddock Rock."
Reference
Haddock . This fish only has visual aura effect
Floppy
"The Floppy is an interesting fish in Ancient Isle. Exhibiting signs of intense energy, attempting to catch Floppy will not be an easy task. They spend most of the day swimming around the pond."
Reference
Floppy . Fishstick character skin from Fortnite (with bigger mouth)
Cookie
"A delicious cookie, favored by Santa Claus. Goes well together with a warm glass of milk."
Reference
Cookie . May be a reference to welcome to bloxburg cookies
Glass of Milk
"A delicious glass of milk, favored by Santa Claus. Goes well together with a cookie."
Mosasaurus
"Mosasaurus is the type genus of the mosasaurs, an extinct group of aquatic squamate reptiles. It exists from about 82 to 66 million years ago during the Companian and Maatrichtian stages of the Late Cretaceous."
Reference
Mosasaurus . Possibly Leo from Hungry Shark Evolution.
Squid
"Squids can be found best at night in the surrounding ocean of Roslit Bay. Squids are rapid swimmers and largely locate their prey by sight. Squids are extremely intelligent and can even hunt in cooperative groups."-Note That This is a Giant, Shiny Squid!-
Banana
"A simple banana, rich in potassium. How did it get in the water?"
Reference
Banana . Peanut butter jelly time meme back from 2002