Line

Scientific Anglers Sonar Sink 25 Cold Fly Fishing Line, Sinking Shooting Head for Coldwater, Fast Sink Tip Control

Name: Scientific Anglers Sonar Sink 25 Cold Fly Fishing Line, Sinking Shooting Head for Coldwater, Fast Sink Tip Control
Brand: Scientific Anglers
SKU: B017MWB05W
Price: 99.95 USD
Availability: InStock

Line fly_line SKU: B017MWB05W

$99.95 on Amazon

Reel It In on Amazon

Features

+ 25’ extra-fast sinking head with handling line
+ For coldwater applications
+ Low tangle design increases shooting distance
+ Floating running line
+ Braided multifilament core

The Scientific Anglers Sonar Sink 25 Cold is a fast-sinking shooting head specifically engineered for coldwater steelhead and trout fishing. Its 25-foot extra-fast sinking section paired with floating running line delivers exceptional casting distance and depth control for swinging flies through deep winter holding water.

Right now on Steelhead Alley

29 of 31 Alley rivers in fair shape right now — pick conditions carefully.

Live conditions for all 31 rivers → Alley Index → 5-day forecast →

spey swinging flies casting steelhead trout salmon

In context

Pairs with: Spey & Two-Hand · Swinging Flies · Spinners & Spoons

Targets: Steelhead · Trout · Salmon

Common Questions

What kind of fishing is the Scientific Anglers Sonar Sink 25 Cold Fly Fishing Line, Sink... used for?

Scientific Anglers's line is set up for spey & two-hand, swinging flies, and spinners & spoons targeting steelhead, trout, salmon. Each technique has a dedicated guide on Steelhead Almanac with rigging walkthroughs and water-reading tips.

What fish species does the Scientific Anglers Sonar Sink 25 Cold Fly Fishing Line, Sink... work for?

This line is curated for steelhead, trout, salmon. The Steelhead Almanac species field guide has biology and Great Lakes-specific tactics for steelhead and the rest.

Where do I buy the Scientific Anglers Sonar Sink 25 Cold Fly Fishing Line, Sink...?

This product is fulfilled by Amazon — currently $99.95. Steelhead Almanac does not handle inventory, payments, or shipping; Amazon does. We curate the gear and pair it with live conditions context. Click "Buy on Amazon" to complete the purchase.

Are conditions good for fishing the Steelhead Alley right now?

29 of 31 Alley rivers in fair shape right now — pick conditions carefully. Live updates for all 31 rivers run every 15 minutes — see the full dashboard on Steelhead Almanac.

As an Amazon Associate, we earn from qualifying purchases.

← Back to Gear

Product Video

Key Specs

Length

25 ft

Sink Rate

Type 6

Taper

Weight

3.2 oz

Specifications

Brand Name: Scientific Anglers
Manufacturer: Scientific Anglers
UPC: 840309121491
Global Trade Identification Number: 00840309121491
Item Length: 13 Inches
Item Weight: 3.2 ounces
Unit Count: 1.0 Count
Warranty Description: Contact Manufacturer
Best Sellers Rank: #230,880 in Sports & Outdoors (See Top 100 in Sports & Outdoors) #153 in Fly Line
ASIN: B017MWB05W
Customer Reviews: 4.9 4.9 out of 5 stars (19)...
Material Type: Polyethylene
Strand Type: Braided
Fishing Line Type: Braided
Breaking Strength: 16 Pounds
Line Weight: 250 Grain
Color: Moss/Charcoal