StockedWaters

Tiber Reservoir Fish Stocking

Montana · 1956–2025 on record

Source: Montana fish & wildlife agency· updated 2025-05-19

According to Montana fish & wildlife agency, Tiber Reservoir was last stocked May 19, 2025 with Rainbow Trout. Tiber Reservoir has 125 stocking records on file, spanning 1956–2025, with about 24,652,886 fish stocked over that period.

May 19, 2025
Last stocked
24,652,886
Fish stocked
9
Species
125
Stocking records

When Tiber Reservoir is stocked

Tiber Reservoir is typically stocked in summer and fall, most often in May — 26 stocking events in that peak month.

How Tiber Reservoir's stockings spread across the calendar year.

Angler's Field Guide

Fishing Tips & Stocking Guide for Tiber Reservoir

Practical advice on fish behavior, recommended tackle, and state regulations for anglers fishing in Montana.

Post-Plant Behavior & Timing

Hatchery-raised fish are conditioned to pelleted feed and open raceways. Following a release into Tiber Reservoir, they typically congregate in schools near public access points, boat ramps, or inlets for the first 24 to 48 hours while adjusting to natural water conditions.

Since Tiber Reservoir was last stocked May 19, 2025, anglers visiting within 1 to 2 weeks of a reported event generally experience the highest activity before fish disperse into deeper cover.

State Regulations & Licensing

  • •Fishing License: A valid Montana freshwater fishing license is required for anglers age 16 and older.Purchase Montana license online →
  • •Official Rules & Limits: Bag limits, bait restrictions, and seasonal boundaries are set by Montana fish & wildlife agency.Official Montana regulations guidebook →
  • •Ethical Conservation: Use barbless hooks and keep fish submerged in water during unhooking.Trout Thermal Advisory: When water temperatures rise above 68°F (20°C), released trout face severe mortality from thermal exhaustion. Target warmwater species or fish early in the morning when lakes and streams warm up.

Recommended Tackle & Presentations

Techniques tailored to the species stocked in Tiber Reservoir:

Stocked Trout Tactics

Use light 4–6 lb monofilament or fluorocarbon line. Float scented dough bait (PowerBait) 12–18" off bottom using a sliding slip-sinker rig with a size 14–16 treble hook. For active casting, throw 1/16 to 1/8 oz inline spinners (Panther Martin, Rooster Tail) or small spoons (Kastmaster) along drop-offs.

Catfish Rigging

Fish a Carolina slip-sinker bottom rig with a 1/2 to 1 oz egg sinker, swivel, and 1/0–3/0 circle hook. Baits such as chicken liver, cut baitfish (shad), nightcrawlers, and stink baits produce best during early morning, dusk, or night in deeper holes.

Bass & Panfish Approach

Target visible structure such as docks, weed lines, and fallen trees. Small 1/32 to 1/16 oz jig heads with soft plastic grubs or live worms under a float work well for crappie and bluegill; soft plastic worms or spinnerbaits work well for bass.

Rainbow Trout Profile Tips

The most commonly targeted stocked trout in the country, taken on bait, spinners, and flies alike; a common first fish for new anglers.

Walleye Profile Tips

Highly regarded as table fare; typically targeted with jigs, live bait rigs, or trolled crankbaits, often after dark.

Recommended Tackle for Tiber Reservoir

Field-tested tackle and presentations matched to the species stocked here.

Hatchery Trout FavoriteBerkley

Berkley PowerBait Floating Trout Dough

Hatchery-raised trout are conditioned to pelleted scents; scented dough floated 12–18 inches off bottom consistently triggers strikes.

Top Casting LurePanther Martin

Panther Martin Classic Teardrop Inline Spinner

The heavy convex blade spins instantly upon retrieval, sending vibration through the water that triggers aggressive reaction bites along drop-offs.

Essential RiggingEagle Claw

Sliding Sinker & Treble Hook Rigging Kit

Sliding egg sinkers allow cautious trout to run with bait without feeling line drag, while size 14–16 treble hooks keep dough bait securely pinned.

Catfish EssentialGamakatsu

Heavy Duty Offset Circle Hooks (1/0–3/0)

Circle hooks naturally turn into the corner of a catfish's jaw as it turns, preventing gut-hooking and improving hookup rates.

As an Amazon Associate, StockedWaters earns from qualifying purchases at no additional cost to you. Recommendations are chosen for hatchery-conditioned fish behavior and ethical rigging. We may receive a referral commission if you buy through these links. Read our editorial policy & standards.

Nearby stocked waters

Other stocked waters near Tiber Reservoir, freshest activity first.

Stocking history

Most recent stockings first. Dates shown at the precision the agency reported.

DateSpeciesNumberSizeSource
May 19, 2025Rainbow Trout67,2151.8"Montana fish & wildlife agency
December 2, 2024Rainbow Trout05.1"Montana fish & wildlife agency
September 14, 2022Rainbow Trout39,6613.77"Montana fish & wildlife agency
September 14, 2022Rainbow Trout49,9103.86"Montana fish & wildlife agency
August 19, 2021Rainbow Trout35,1453.29"Montana fish & wildlife agency
October 1, 2020Rainbow Trout23,2404.56"Montana fish & wildlife agency
October 1, 2020Rainbow Trout21,0774.36"Montana fish & wildlife agency
September 25, 2019Rainbow Trout43,7034.39"Montana fish & wildlife agency
Show 42 more stocking records →
DateSpeciesNumberSizeSource
July 2, 2019Walleye50,2751.69"Montana fish & wildlife agency
September 12, 2017Rainbow Trout48,2774.29"Montana fish & wildlife agency
September 20, 2016Rainbow Trout50,0004.1"Montana fish & wildlife agency
November 5, 2015Rainbow Trout49,8004.49"Montana fish & wildlife agency
July 28, 2015Rainbow Trout33,4782.67"Montana fish & wildlife agency
July 28, 2015Rainbow Trout70,5432.69"Montana fish & wildlife agency
July 12, 2011Walleye24,5781.8"Montana fish & wildlife agency
July 23, 2010Rainbow Trout5,0008.5"Montana fish & wildlife agency
June 11, 1997Spottail Shiner2,1002.5"Montana fish & wildlife agency
May 1, 1997Cisco2,500,0000.2"Montana fish & wildlife agency
April 28, 1997Cisco2,290,0000.2"Montana fish & wildlife agency
April 25, 1997Cisco1,650,0000.2"Montana fish & wildlife agency
August 7, 1991White Crappie68,7521.3"Montana fish & wildlife agency
August 1, 1990White Crappie40,0001"Montana fish & wildlife agency
July 20, 1988Lake Trout30,2404.1"Montana fish & wildlife agency
July 19, 1988Lake Trout42,0004.1"Montana fish & wildlife agency
May 5, 1988Walleye226,6660.2"Montana fish & wildlife agency
September 12, 1986Walleye643"Montana fish & wildlife agency
September 12, 1986Walleye846"Montana fish & wildlife agency
July 13, 1986Walleye2,2342"Montana fish & wildlife agency
July 13, 1986Walleye673"Montana fish & wildlife agency
July 12, 1986Walleye2,2502"Montana fish & wildlife agency
May 14, 1986Walleye600,0000Montana fish & wildlife agency
May 14, 1986Walleye900,0000Montana fish & wildlife agency
May 23, 1985Crappie6807"Montana fish & wildlife agency
August 11, 1984White Crappie49,4711"Montana fish & wildlife agency
August 29, 1983Rainbow Trout28,3055"Montana fish & wildlife agency
August 29, 1983Rainbow Trout29,3045"Montana fish & wildlife agency
May 25, 1979Black Crappie4004"Montana fish & wildlife agency
April 10, 1974Walleye1,875,0001"Montana fish & wildlife agency
May 9, 1973Walleye500,0000Montana fish & wildlife agency
May 8, 1973Walleye500,0000Montana fish & wildlife agency
September 20, 1972Channel Catfish119,1682"Montana fish & wildlife agency
May 15, 1972Walleye950,0000Montana fish & wildlife agency
May 16, 1971Walleye459,0000Montana fish & wildlife agency
May 13, 1971Walleye816,0000Montana fish & wildlife agency
July 12, 1963Rainbow Trout10,0005"Montana fish & wildlife agency
July 11, 1963Rainbow Trout3,00010"Montana fish & wildlife agency
July 10, 1963Rainbow Trout3,27610"Montana fish & wildlife agency
July 8, 1963Rainbow Trout3,36010"Montana fish & wildlife agency
September 15, 1958Rainbow Trout195,5802"Montana fish & wildlife agency
September 15, 1958Rainbow Trout55,0802"Montana fish & wildlife agency

Showing 50 of 125 stocking records.

Frequently asked

When was Tiber Reservoir last stocked?

According to Montana fish & wildlife agency, Tiber Reservoir was last stocked May 19, 2025 with Rainbow Trout.

What fish species are stocked in Tiber Reservoir?

Tiber Reservoir is stocked with Rainbow Trout, Walleye, Spottail Shiner, Cisco, White Crappie, Lake Trout, Crappie, Black Crappie, and Channel Catfish.

What time of year is Tiber Reservoir stocked?

Tiber Reservoir is typically stocked in summer and fall, most often in May.

How often is Tiber Reservoir stocked?

Tiber Reservoir has been stocked about 2 times a year — 125 recorded stockings between 1956 and 2025.

How many fish have been stocked in Tiber Reservoir?

About 24,652,886 fish have been stocked in Tiber Reservoir across 125 recorded events since 1956, per Montana fish & wildlife agency.

What size are the fish stocked in Tiber Reservoir?

Fish stocked in Tiber Reservoir average about 2.5 inches, based on the sizes the agency reported.

Do you need a fishing license to fish Tiber Reservoir?

Yes, all anglers age 16 and older generally need a valid Montana freshwater fishing license. Always review current regulations from Montana fish & wildlife agency for site-specific rules, bag limits, or stamps.

How do you catch stocked trout in Tiber Reservoir?

Freshly stocked trout in Tiber Reservoir typically respond well to floating dough bait (such as PowerBait) floated 12–18 inches off bottom on light 4–6 lb leader, live nightcrawlers under a bobber, and small inline spinners or spoons retrieved along shorelines and drop-offs.