Island 4 Regional Compendium

Rocks Island (Pinnacle Crags)

Deep pelagic species, Giant Bluefin Tuna altar, Professional Boss Lures, and The Apex Albatross guide on Rocks Island. Explore all 3 native fish species, local bait requirements, and boss summoning mechanics.

Island Boss:The Apex Albatross (Sky Boss) & Bluefin Tuna|Summon: Defeated Tuna Carcass on the Altar
Rocks Island (Pinnacle Crags)
Stormy Sea Cliffs & Deep Abyssal Trenches
Quick Answer • Featured SnippetRocks Island Regional Intel

What Fish and Bait Are on Rocks Island in How to Fish?

Rocks Island features high-value deep pelagic fish. Catch Giant Bluefin Tuna ($350), Abyssal Cod ($160), and Rockfish ($90) from jagged oceanic cliffs.

1. Giant Bluefin Tuna

Deep ocean pelagic catch hooked using the $150 Professional Boss Lure.

2. Cliff Altar Summon

Place the Defeated Tuna Carcass on the high cliff altar to summon The Apex Albatross.

3. Shelter Tactics

Fight the Albatross under rock overhangs to block projectile barrages.

4. Heat Mantle Unlock

Trade Albatross Crown Feather to Geologist Douglas for the Volcano Heat Suit.

Native Fish Species (3)

Verified stats, required lures, health pools, and combat tips for Rocks Island.

EpicBase: $750

Giant Bluefin Tuna (Miniboss)

A 400kg torpedo of pure muscle. Catching and slaying this beast is the only way to summon the Albatross.

Required Bait:Professional Boss Lure
Weapon:Assault Rifle / Sniper Rifle
Max Multiplier:x7.5 (Long Range Air Snipe)
Tip: Carry its carcass immediately to the mountain cliff altar to trigger the Albatross sky event.
RareBase: $280

Deep Vampire Cuttlefish

Bioluminescent cephalopod that turns nearly invisible until it strikes.

Required Bait:Synthetic Squid Jig
Weapon:Assault Rifle with Laser Sight
Max Multiplier:x6.0 (Night Camo Breach)
Tip: Equip a weapon with a Laser Sight attachment to track its refraction silhouette in the dark.
BossBase: $2600

The Apex Albatross (Sky Boss)

A monstrous ancient avian predator that feeds on pelagic fish. Swoops down from the stratosphere at blinding speed.

Required Bait:Defeated Tuna Carcass
Weapon:Sniper Rifle + Assault Rifle
Max Multiplier:x12.0 (Extreme Altitude Headshot)
Tip: Use the Sniper Rifle when it circles high in the clouds. Take shelter behind the boulder pillars when it charges its divebomb.

Available Baits & Lures (4)

Lures unlocked or obtained in Rocks Island.

🩸$120

Bloody Chum Bucket

Potent mixture that creates a frenzy trail in open water. Increases aggressive predator encounter rate by 300%.

How to get: Processed from raw fish carcasses at the Desert smokehouse.
🎯$350

Professional Boss Lure

Precision-engineered titanium lure capable of withstanding the monstrous pull force of apex pelagic species.

How to get: Unlocked in the Rocks Island Tackle Shop after defeating the Desert Boss.
🐟Boss Drop Item

Defeated Tuna Carcass

Place the freshly defeated Giant Tuna on the high plateau cliff altar to lure down the apex sky predator: The Albatross.

How to get: Catch and defeat the Giant Bluefin Tuna in Rocks Island, then carry its carcass to the cliff altar.
🦑$300

Synthetic Squid Jig

Soft silicone glow jig with pulsing micro-LEDs designed for night fishing in deep ravines.

How to get: Rocks Island night market vendor.
Rocks Island Environmental Spawning & Weather Factors

Fish bite frequencies and trophy weights change depending on local weather cycles and daytime/nighttime lighting:

Clear Daylight (06:00 - 18:00)

Standard surface predator activity. High visibility for line tension tracking and aerial skeet shots.

Rain & Storm (+35% Catch Rate)

Increases heavyweight fish spawn rates by +35%. Water surface chop increases line snap risk by 15%.

Midnight (00:00 - 04:00)

Apex nocturnal predators and shiny bioluminescent variants surface from deep trenches.

Rocks Island Fishing FAQ

Frequently Asked Regional Angling Questions

Verified answers to common player questions regarding fish locations, bait recipes, and boss triggers on Rocks Island:

Q:Where do I catch Giant Bluefin Tuna?

Fish in the deep ocean waters off the southeastern crags of Rocks Island using the $150 Professional Boss Lure with a high-tension Pull Back Rod.

Q:How do I summon The Apex Albatross?

Catch a Giant Bluefin Tuna, take the Defeated Tuna Carcass to the high grassy cliff altar, and interact with the altar to call down the airborne apex boss.

Q:Why does the Albatross fly away during combat?

The boss has an 'Escape Bar' timer; you must maintain continuous rifle and SMG DPS to stagger the bird before the white bar fills, or it will flee the arena.

Q:What is the best weapon for Rocks Island fishing and combat?

The Heavy Sniper Rifle paired with an Assault Rifle or Combat Shotgun offers the ideal balance of long-range stagger power and close-range neck burst DPS.

Q:What does the Albatross Crown Feather unlock?

Deliver the Albatross Crown Feather to Geologist Douglas on Rocks Island to craft the Heat-Shielding Mantle, granting heat immunity on Volcano Island.