Fly Fishing

Quick walkthrough

Detailed walkthrough

Quest stages

Notes

Fly Fishing is a miscellaneous quest in Fallout 4.

Miscellaneous quest: Fly Fishing

Listen to Doctor Duff's biology lesson at Diamond City's Science! Center.

(Speech check) Ask for an increased reward.

Kill a Bloatfly and retrieve a Bloatfly Gland.

Bring it back to Doctor Duff.

Reward: 75+ XP
100/125/150/200 bottlecaps

This quest is given by Doctor Duff as part of a biology lesson in the Science! Center in Diamond City. She instructs the Sole Survivor to hunt bloatflies in order to retrieve a Bloatfly Gland. Three speech checks of increasing difficulty can be passed to increase the reward from 100 bottlecaps to 125/150/200. After killing the bloatfly and retrieving the gland, returning to Doctor Duff will complete the quest.

Stage	Status	Description
10		Bring a Bloatfly Gland to Doctor Duff
100		Quest complete

Main quests

War Never Changes • Out of Time • Jewel of the Commonwealth • Unlikely Valentine • Getting a Clue • Reunions

Dangerous Minds • The Glowing Sea • Hunter/Hunted • The Molecular Level

Institutionalized • From Within • Inside Job • Underground Undercover

Curie will disapprove if one uses sarcasm when answering the question about types of waves.
Piper and Danse will dislike if one asks for caps but like it when the mission is accepted.

Quests in Fallout 4

Side quests		Cambridge Polymer Labs • Confidence Man • Curtain Call • Dependency • Diamond City Blues • Emogene Takes a Lover • Here Kitty, Kitty • Here There Be Monsters • Hole in the Wall • Human Error • In Sheep's Clothing • Kid in a Fridge • Last Voyage of the U.S.S. Constitution • Mystery Meat • Order Up • Out in Left Field • Painting the Town • Pickman's Gift • Public Knowledge • Pull the Plug • Reveille • Short Stories • Special Delivery • Story of the Century • The Big Dig • The Devil's Due • The Disappearing Act • The Gilded Grasshopper • The Marowski Heist • The Memory Den • The Secret of Cabot House • The Silver Shroud • Trouble Brewin' • Vault 75 • Vault 81

Companion quests		Benign Intervention • Emergent Behavior • Long Road Ahead • Long Time Coming

Miscellaneous quests		Art Appreciation • Atom Cats • Botany Class • The Cleaner • The Combat Zone • Detective Case Files • Diamond City's Most Wanted • Fallen Hero • Find the Treasures of Jamaica Plain • Fly Fishing • Giddyup 'n Go • Gun Run • Hazardous Material • Meet Ness at the Crash Site • Nuka Cola Needs • Pool Cleaning • Prep School • Traffic Jam • Treasure Hunt • Vault 81 Tour • Virgil's Cure

Unmarked quests		A Pillar of the Community • Bill Sutton • Brother Against Brother • Familiar Faces • Fertilizer Woman • Holly • Lucy Abernathy • Maintenance Man • Quality Assurance • Supervisor Brown • Supervisor Greene • Suspected Synth • Wedding Day

Cut quests		20 Leagues Under the Sea • Bullet • Off the Grid • Salvage • That's the Spirit • The Enemy of My Enemy • The Replacement

Creation Club quests		A Pint-Sized Problem • A Place to Call Home • Burned on the River • Can You See Me Now? • Captain Cosmos • Carbonated Concerns • Combat Ready • Crucible • Deathmatch • Dog Rescue • Early Retirement • Enclave Radio • From Hell • Giddyup! • Holiday Spirits • Malevolent Malfunction • Method to the Madness • Neon Winter • Over the Moon • Pyromaniac • Shrouded Manor • Silver like the Shroud • Slocum's Joe • Speak of the Devil • The Paper Mirror • The Prototype • The Quantum Stag • Tunnel Snakes Rule! • Way Back Home

Faction quests

Brotherhood of Steel	Main quests	Fire Support • Call to Arms • Semper Invicta • Shadow of Steel • Tour of Duty • Show No Mercy • From Within • Outside the Wire • Liberty Reprimed • Blind Betrayal • Tactical Thinking • Spoils of War • Ad Victoriam • The Nuclear Option

	Side quests	A Loose End • A New Dawn • Cleansing the Commonwealth • Duty or Dishonor • Feeding the Troops • Leading by Example • Learning Curve • Quartermastery • The Lost Patrol

Commonwealth Minutemen	Main quests	When Freedom Calls • Sanctuary • The First Step • Taking Independence • Old Guns • Inside Job • Form Ranks • Defend the Castle • The Nuclear Option

	Side quests	Clearing the Way • Ghoul Problem • Greenskins • Kidnapped Trader • Kidnapping • Out of the Fire • Raider Troubles • Resettle Refugees • Returning the Favor • Rogue Courser • Taking Point • The Sight • Troubled Waters • With Our Powers Combined

The Railroad	Main quests	Road to Freedom • Tradecraft • Boston After Dark • Underground Undercover • Operation Ticonderoga • Precipice of War • Rockets' Red Glare • The Nuclear Option

	Side quests	A Clean Equation • Burning Cover • Butcher's Bill • Butcher's Bill 2 • Concierge • High Ground • Jackpot • Lost Soul • Memory Interrupted • Mercer Safehouse • Randolph Safehouse • To the Mattresses • Variable Removal • Weathervane

The Institute	Main quests	Institutionalized • Synth Retention • The Battle of Bunker Hill • Mankind - Redefined • Mass Fusion • Pinned • Powering Up • End of the Line • Airship Down • Nuclear Family

	Side quests	A House Divided • Appropriation • Building a Better Crop • Hypothesis • Plugging a Leak • Political Leanings • Reclamation • Pest Control

Add-on quests

Automatron Far Harbor	Main quests	Mechanical Menace • A New Threat • Headhunting • Restoring Order

	Side quests	Rogue Robot

	Main quests	Best Left Forgotten • Cleansing the Land • Close to Home • Far From Home • Reformation • The Way Life Should Be • Walk in the Park • Where You Belong

	Side quests	Ablutions • Acadian Ideals • Blood Tide • Brain Dead • Data Recovery • Deadliest Catch • Forbidden Knowledge • Hull Breach • Hunting the Hunter • Living on the Edge • Rite of Passage • Safe Passage • Search and Destroy • Shipbreaker • The Arrival • The Changing Tide • The Great Hunt • The Heretic • The Hold Out • The Price of Memory • The Trial of Brother Devin • Turn Back the Fog • Visions in the Fog • What Atom Requires • Witch Hunt

Vault-Tec Workshop Nuka-World	Main quests	Vault-Tec Calling • Better Living Underground • A Model Citizen • Explore Vault 88 • Power to the People • The Watering Hole • Vision of the Future • Lady Luck

	Side quests	Overseer's Most Wanted

	Main quests	All Aboard • Taken for a Ride • An Ambitious Plan • The Grand Tour • Home Sweet Home • Power Play

	Side quests	A Magical Kingdom • A World of Refreshment • Amoral Combat • Cappy in a Haystack • High Noon at the Gulch • Open Season • Precious Medals • Safari Adventure • Star Control • Trip to the Stars