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Fish Skills

FISH SKILLS

Halibut

Study the matching fish, swap skills with right-click.

Hand the matching fish to Halibut for research; once complete, swap the skill from the right-click menu. Cards below are sorted by unlock fish; the italic line at the end of each card is the post-research note from the in-game study slot.

Phantom Swarm

Special
Unlock fish
Bass
Trigger
Right-click transform · Left-click rush
Cooldown
~30 sec (shorter at higher domain tier)
Research time
14 min

Right-click to become a fish swarm; left-click to rush toward the cursor.

「An unremarkable fish, but it shows considerable potential.」

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Regal Spark-dance

Strike
Unlock fish
Sparkling Empress
Trigger
Fire
Cooldown
~5 sec per cycle (shorter at higher domain tier); CD pauses while firing
Research time
12 min

While firing, periodically summons Sparkling Queenfish for a laser volley. Cooldown does not tick while you keep firing.

「I believe research into this specimen could lead to advancements in laser pointer technology.」

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Risen Tide

Strike
Unlock fish
Zombie Fish
Trigger
Right-click
Cooldown
~12 sec (shorter at higher domain tier)
Research time
12 min

Right-click to summon drowned dead that rush enemies and explode on approach.

「A foul-smelling fish. Is it even... animate?」

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Cloudsurfer

Special
Unlock fish
Cloudfish
Trigger
Right-click
Cooldown
~25 sec (shorter at higher domain tier)
Research time
16 min

Right-click to ride a rain cloud at high speed. You can pass through walls, keep using weapons, and leave rain along your path.

「It appears to be a fish, but it's technically a swimming cloud.」

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Voodoo Ward

Special
Unlock fish
Guide Voodoo Fish
Trigger
Equipped · on fatal hit
Cooldown
~80 sec (shorter at higher domain tier)
Research time
12 min

When equipped, blocks one fatal hit and transfers the damage to enemies. With a domain active, damage is split across all enemies inside it.

「A useful specimen. It gives me... interesting ideas for new experiments.」

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Inferno Burst

Strike
Unlock fish
Demonic Hellfish
Trigger
Fire · charge
Cooldown
~12 sec (shorter at higher domain tier)
Research time
18 min

While firing, periodically summons an inferno sigil. When charged, it launches a hellfire ball that explodes after flying a short distance.

「It burns in the inferno.」

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Dynamite Fish

Strike
Unlock fish
Dynamite Fish
Trigger
Right-click
Cooldown
~20 sec (shorter at higher domain tier)
Research time
18 min

Right-click to throw a gravity-affected dynamite fish. It explodes on enemy contact or after a timeout.

「Its internal anatomy is highly complex. It's composed primarily of the part that goes 'BOOM'.」

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Bone Cyclone

Strike
Unlock fish
Bonefish
Trigger
Fire
Cooldown
~1.6 sec per cycle (shorter at higher domain tier)
Research time
12 min

While firing, periodically spawns orbiting bones that circle, launch toward enemies, then return. Taking damage shatters all bones.

「Might be good for a broth. Delicious and high in calcium.」

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Feather Typhoon

Strike
Unlock fish
Harpyfish
Trigger
Fire
Cooldown
~0.5 sec per cycle (shorter at higher domain tier)
Research time
20 min

While firing, periodically adds orbiting harpy feathers. With sustained fire, feathers eventually launch outward.

「I doubt this fish can actually fly, but it does, technically, have wings.」

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Star-spawn

Strike
Unlock fish
Fallen Starfish
Trigger
Fire
Cooldown
~0.65 sec per cycle (shorter at higher domain tier)
Research time
12 min

Shots are accompanied by stars with smaller starlets. After enough shots, a starfall is summoned.

「In the daylight, it might just... vanish.」

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Famished Maw

Control
Unlock fish
Hungerfish
Trigger
Fire
Cooldown
~1 sec per cycle (shorter at higher domain tier)
Research time
18 min

While firing, periodically spawns orbiting hungry maws. At maximum capacity, they tear at enemies toward your aim.

「It appears... famished.」

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Phantom Echo

Special
Unlock fish
Batfish
Trigger
Right-click transform
Cooldown
~20 sec (shorter at higher domain tier)
Research time
12 min

Right-click to become a bat swarm for rapid movement. Left-click ends the form.

「I wonder, if one hangs this fish upside down, will it fall asleep?」

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Eater's Spawn

Unlock fish
Eater of Plankton
Cooldown
No skill cooldown

Each shot launches a miniature Eater of Souls that wriggles along the ground and attacks enemies.

「This fish has worms!」

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Fungal Cycle

Strike
Unlock fish
Amanita Fungifin
Trigger
Fire
Cooldown
~1.5 sec per cycle (shorter at higher domain tier)
Research time
20 min

Each shot cycles through four fungal projectiles: homing, toxin cloud, lightning, and explosive.

「This fish represents an entire fungal ecosystem.」

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Bee-caller

Unlock fish
Honeyfin
Cooldown
~15 sec (shorter at higher domain tier)

Right-click summons bees that orbit you and attack enemies on sight.

「For some reason, it seems terrified of catfish.」

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Bony Grasp

Unlock fish
Fishotron
Cooldown
~10 sec (shorter at higher domain tier)

While firing, grows Skeletron hands to assist. Taking damage destroys one hand. At range they throw bones; up close they slap.

「It has more than four hands!」

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Ichor Stream

Strike
Unlock fish
Ichorfish
Trigger
Fire
Cooldown
~2 sec per cycle (shorter at higher domain tier)
Research time
16 min

Firing adds a scattered ichor spray. Hits apply the Ichor debuff.

「This fish's... 'saliva'... is remarkably useful!」

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Cursed Burst

Control
Unlock fish
Cursedfish
Trigger
Fire
Cooldown
~3 sec per cycle (shorter at higher domain tier)
Research time
16 min

Firing scatters cursed flames that drift upward instead of falling.

「And it somehow doesn't incinerate the fishing rod!?」

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Viscous Trail

Support
Unlock fish
Slimefish
Trigger
Move
Cooldown
~1.5 sec (shorter at higher domain tier)
Research time
16 min

While moving, throws slime gel that sticks to targets it touches.

「It seems very... 'attached'.」

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Bouncing Bombs

Unlock fish
Bunnyfish
Cooldown
~15 sec (shorter at higher domain tier)

Right-click throws bouncing bunny fish affected by gravity. They explode on enemy contact or after a timeout.

「Dangerously fluffy!」

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Bouncing Catfish

Unlock fish
Catfish
Cooldown
~10 sec (shorter at higher domain tier)

Right-click throws bouncing catfish affected by gravity. Each landing meows; they explode on contact or after a timeout.

「This fish seems to have a particular fondness for honey.」

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Earthen Swarm

Support
Unlock fish
Dirtfish
Trigger
Move
Cooldown
~1 sec (shorter at higher domain tier)
Research time
20 min

While moving, dirt fish orbit you. At full capacity, firing launches a rolling dirt ball.

「The scent of the soil reminds me of the seabed... These little ones are quite good at huddling for warmth.」

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Mud Sentries

Control
Unlock fish
Mudfish
Trigger
Fire
Cooldown
~3 sec per cycle (shorter at higher domain tier)
Research time
16 min

While firing, summons mud sentries from the ground. They lob gravity-affected mud balls, then submerge.

「These creatures are masters of concealment.」

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Penguin Strike

Strike
Unlock fish
Pengfish
Trigger
Fire
Cooldown
~8 sec (shorter at higher domain tier)
Research time
18 min

While firing, summons penguins above enemies. They drop for area damage and knockback.

「They might be from Madagascar.」

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Sulphuric Drizzle

Strike
Unlock fish
Dragoon Drizzlefish
Trigger
Fire
Cooldown
~8 sec per cycle (shorter at higher domain tier); CD pauses while firing
Research time
16 min

While firing, periodically summons brimstone-spitting fish. Cooldown does not tick while you keep firing.

「I suspect this is useful for more than just lighting a campfire.」

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Abyssal Gaze

Special
Unlock fish
Fish of Cthulhu
Trigger
Fire
Cooldown
~11 sec (shorter at higher domain tier)

While firing, summons gazing eyes that observe enemies and dash when close.

「It's... staring at you.」

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Prismatic Overture

Strike
Unlock fish
Jewelfish
Trigger
Fire
Cooldown
~0.35 sec per cycle (shorter at higher domain tier)
Research time
18 min

Firing scatters gem projectiles in a fixed six-color sequence, each with a distinct sound.

「A six-color overture... Perhaps one could truly compose a rainbow symphony with it.」

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Torrent Dash

Special
Unlock fish
Capn Tunabeard
Trigger
Right-click
Cooldown
~24 sec (shorter at higher domain tier)

Right-click dashes a long distance toward the cursor with full invulnerability and wall phasing.

「For a fish, is there really a difference between a pirate and a robber?」

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Crimson Judgment

Control
Unlock fish
Bloody Manowar
Trigger
Fire
Cooldown
~5 sec (shorter at higher domain tier)
Research time
18 min

While firing, summons bloody jellyfish that converge on enemies and deal large area damage when gathered.

「Is their relationship symbiotic, or... hierarchical?」

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Prismatic Lancer

Unlock fish
Unicorn Fish
Cooldown
~10 sec (shorter at higher domain tier)

Right-click performs a long horizontal dash with full invulnerability and wall phasing.

「Legend says only a pure maiden can catch this one!」

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White Piercing Shadow

Strike
Unlock fish
Wyverntail
Trigger
Fire
Cooldown
~25 sec (shorter at higher domain tier)

While firing, periodically summons a white dragon controller that keeps launching dragons at enemies for a duration.

「I believe it should be considered a type of legendary creature.」

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Sand Scorpion Sentinel

Unlock fish
Scorpio Fish
Cooldown
~15 sec (shorter at higher domain tier)

While firing, summons ground scorpion sentries that crawl and launch sand whirlwinds at enemies.

「Its entire body is filled with sand.」

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Prismatic Barrage

Strike
Unlock fish
Prismite
Trigger
Fire
Cooldown
~1 sec (shorter at higher domain tier)
Research time
20 min

While firing, shots become prismatic shockwaves that split into more shockwaves after hitting enemies or tiles.

「This fish's iridescence is likely due to excessive heavy metal content.」

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Obsidian Fortress

Support
Unlock fish
Obsidifish
Trigger
Fire
Cooldown
~2 sec (shorter at higher domain tier)
Research time
18 min

While firing, obsidian fish orbit and deal contact damage. Each time you take damage, one fish shatters.

「Obsidian is actually quite brittle, you know.」

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Rock Hammer Slam

Control
Unlock fish
Rockfish
Trigger
Automatic
Cooldown
~3 sec (shorter at higher domain tier)
Research time
16 min

Automatically spawns a rock hammerfish that tracks nearby enemies, charges above them, then slams down.

「No one ever asks the poor creature if it *wants* to be used as a hammer.」

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Viscous Slick

Support
Unlock fish
Variegated Lardfish
Trigger
On hit
Cooldown
~0.75 sec (shorter at higher domain tier)
Research time
20 min

On hit, sprays oil from enemies. Oil sticks to tiles or enemies and can spread further.

「I'm going to need a substantial amount of detergent.」

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Regal Radiance

Support
Unlock fish
Princess Fish
Trigger
Fire
Cooldown
~0.8 sec (shorter at higher domain tier)
Research time
22 min

While firing, summons princess fish that scatter magic orbs at enemies.

「Clearly not a prince.」

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Crimson Patrol

Strike
Unlock fish
Crimson Tigerfish
Trigger
Right-click
Cooldown
~20 sec (shorter at higher domain tier)
Research time
18 min

Right-click releases crimson tigerfish that hunt enemies on sight.

「They appear quite ferocious.」

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Barracuda Blitz

Strike
Unlock fish
Tropical Barracuda
Trigger
Fire
Cooldown
~0.25 sec
Research time
16 min

While firing, summons schools of tropical barracuda from screen edges that streak across the entire screen.

「Their speed is remarkable.」

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Neon Trail

Control
Unlock fish
Neon Tetra
Trigger
Move
Cooldown
While moving
Research time
12 min

While moving, leaves glowing neon tetras that illuminate and damage enemies along your path.

「I am rather fond of its scales.」

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Brimstone Dispersion

Strike
Unlock fish
Brimlish
Trigger
Fire
Cooldown
~0.33 sec
Research time
14 min

While firing, periodically summons a small brimfish that scatters brimstone balls at enemies.

「Alarmingly high temperature.」

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Twin Cod Pursuit

Strike
Unlock fish
Double Cod
Trigger
Fire
Cooldown
~0.3 sec
Research time
15 min

While firing, periodically launches homing cod that chase enemies and deal contact damage.

「A most peculiar species.」

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Frost Proclamation

Control
Unlock fish
Frost Minnow
Trigger
Fire
Cooldown
~1.5 sec (shorter at higher domain tier)
Research time
16 min

While firing, periodically summons a frost minnow that scatters frost balls at enemies.

「Brace yourself for frostbite!」

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