Trout & salmon · Freshwater
Kokanee
Oncorhynchus nerka (landlocked)
Landlocked sockeye salmon; pelagic coldwater populations are native in some western basins and widely stocked elsewhere.
Also called koke, kickininee, little redfish, silver trout, landlocked sockeye.
- Stillwater
- Ordinary target
- 4 of 4 overlays reviewed
- Reviewed 2026-08-27
Take this somewhere
This page is the record. The reading is what happens when you add water, a season and a temperature to it — that is where the families below get ranked against each other instead of just listed.
Those three links carry the fish and nothing else. No conditions were declared on this page, so none travel, and the link says so rather than sending an empty reading.
The half nobody publishes
What this record does not know
Everything else on this page comes from a named agency or peer-reviewed source. This is the other side of that: the questions a reviewer went looking for an answer to and came back without, and the fields the record leaves empty because filling them would mean guessing.
It is here rather than at the bottom because a page that only shows what it knows is easy to read as a page that knows everything. For Kokanee there are 11 of them.
Named by a reviewer
8Somebody looked for this and wrote down that they did not find it.
- Behaviour
Nobody has sourced:
- species-specific angling-pressure response beyond general cover/light notes
- cold-front / barometric response with primary-source support
- diel vertical-migration amplitude as a structured field
- Identification
Nobody has sourced:
- lake-by-lake size variation beyond the NOAA ceiling
- Forage
Nobody has sourced:
- finer month-by-month diet inside a season, which is waterbody-specific
- lake-specific Daphnia vs copepod dominance
- Season
Nobody has sourced:
- month-by-month location changes inside a season, which are waterbody-specific
- reservoir vs natural-lake depth calendars
Absent from the record
3No reviewer wrote a gap here. The field is simply empty, which is its own answer.
- Water temperature
No agency or peer-reviewed temperature band for Kokanee was found that a review would accept. The reading runs without one rather than borrowing a number from a related fish.
- Identification
No reviewed image. A photograph is only in this catalog when an agency or a named creator labelled the subject, and nobody has cleared one for this species yet.
- Population context
No regional population profile is registered. The species-level reading stands on its own; it does not silently become a local one.
Where the record puts it
Water and range
Stillwater
5 reviewed holding classes- Suspended / open water
- Thermocline edge
- Basin
- Inlet
- Drop-off
DepthUsually suspended in open water, changing depth seasonally to remain in suitable temperature and food layers.
Moving waterPelagic lake fish; position follows temperature, oxygen, plankton, and basin circulation more than shoreline cover.
LightVertical position can shift with light and plankton movement; bright periods commonly push usable depth deeper.
Thermal band
Temperature
No reviewed temperature band
Nobody publishes a preferred or active temperature range for Kokanee that a review would accept. Borrowing one from a related fish would look like knowledge and behave like a guess, so the reading runs without it and says which parts of the answer that weakens.
How it uses water
Behaviour
A visible school is a mobile plankton/temperature association, not a hotspot coordinate.
Reviewed forage is zooplankton first, with emerging and aquatic insects as secondary classes. Do not infer a current plankton bloom from diet capacity.
Vertical position can shift with light and plankton movement; bright periods commonly push usable depth deeper.
Seasonal activitySummer is an oxythermal problem as much as a forage problem. Fall color-up is spawning biology, not a feeding recommendation.
Temperature-driven behaviourNarrow coldwater band. Fish track the intersection of temperature, oxygen, and plankton rather than a shoreline cover type.
Depth movementUsually suspended in open water, changing depth seasonally to remain in suitable temperature and food layers.
Facing the currentPelagic lake fish. Position follows basin circulation more than river current.
CoverOpen-water depth bands, thermocline edges, and basin structure rather than wood or weeds.
Open waterThis is the default identity: suspended, schooling, plankton-associated.
Predator avoidanceSchooling and depth. Shoreline cover is not the default refuge.
Spawning (conservation context)Fall spawner on suitable lake shore or tributary gravel. Mature staging and spawning fish are not a forage-matching problem and are excluded from targeting guidance. Semelparous.
Where the general rule stops
- Tributary spawning runs are deliberately excluded from the reviewed flowing-water presentation record.
- A visible school is a mobile plankton/temperature association, not a hotspot coordinate.
What it can eat
Forage
- Zooplankton
- Emerging insects
- Aquatic insects
Kokanee are landlocked sockeye that feed primarily on zooplankton, especially Daphnia, in open water. Insects are secondary. This is a plankton specialist, not a generalist trout diet.
- Feeding style
- Specialized
- Feeding zone
- Pelagic
Through the year
- Winter
- Zooplankton remains the core diet; depth follows the usable cold-water food layer rather than shoreline insects.
- Spring
- Upper-column zooplankton as lakes mix and warm. Insect items remain secondary.
- Summer
- Follows Daphnia and other zooplankton in the cool, oxygenated layer, often near the thermocline.
- Fall
- Mature fish reduce feeding as they allocate to spawning. Spawning fish are not a forage-matching problem.
By life stage
- Young of year
- Smaller zooplankton such as copepods before shifting toward Daphnia as gape allows.
- Juvenile
- Daphnia and other large zooplankton.
- Adult
- Zooplankton specialist; insects are incidental. Anadromous sockeye ocean diets do not apply here.
Prey sizeGape limits which zooplankton taxa are usable; this is not a shift into baitfish as a default inland diet.
Ontogenetic shiftCopepods and small zooplankton in fry; Daphnia-dominated in older fish where that taxon is available.
SubstitutionsSome lakes substitute other zooplankton taxa when Daphnia is scarce. That does not convert kokanee into a baitfish predator like anadromous sockeye at sea.
Diet capacity is not proof that a hatch or prey event is occurring. Observed current forage still comes from a user observation or Hatch Match.
Through the year
Season
Winter
- Where they sit
- Suspended open water and basin, often shallower than summer thermocline use.
- Forage
- Zooplankton in the remaining pelagic food layer.
What that changesTrolling, horizontal retrieve, suspend-pause, and vertical jig — the reviewed stillwater set.
Spring
- Where they sit
- Upper-column suspended water as lakes mix.
- Depth
- Often higher in the column than midsummer.
- Forage
- Zooplankton; insects secondary.
What that changesTrolling and horizontal retrieve in the mixing band.
What would count against it
- treating kokanee as shoreline trout
Summer
- Where they sit
- Thermocline edge and suspended open water in the 50–59°F preferred band.
- Depth
- Bright periods commonly push usable depth deeper.
- Temperature
- 65°F warm edge plus oxygen squeeze can pin fish to a thin layer.
What that changesTrolling and suspend-pause on the usable layer; vertical jig when the band is compact.
What would count against it
- forcing surface retrieves above a warm, low-oxygen cap
Fall
- Where they sit
- Fish leave pelagic feeding water as they ripen.
What that changesReviewed families still describe pelagic mechanics for non-ripe fish; spawning fish are an invalidator.
What would count against it
- using spawning shore or tributary gravel as a target class
Fall spawner on suitable lake shore or tributary gravel. Mature staging and spawning fish are not a forage-matching problem.
Late fall
- Where they sit
- Spawning overlap continues. Remaining pelagic fish are not a separate concentration class.
Late-fall spawning remains excluded from target guidance.
Spawning · Fall, Late fall
Fall spawner on suitable lake shore or tributary gravel. Mature staging and spawning fish are not a forage-matching problem.
Recorded as conservation context. No spawning site, staging concentration or migration bottleneck is named anywhere in this catalog, because naming one is how a population gets fished out.
Telling it apart
Identification
What to look at
- Same species as anadromous sockeye (Oncorhynchus nerka), but a non-anadromous / landlocked life history.
- NOAA: kokanee rarely exceed 1.2 ft in length, far smaller than sea-run sockeye.
- No large black spots on the back or tail (unlike rainbow, cutthroat, or Chinook).
- Ocean-phase analog is metallic blue-green over silver; freshwater adults are silvery until spawning.
- Anal-fin ray count (>12) separates kokanee from trout when the two are mixed in a lake.
- Average adult length
- NOAA: rarely exceed 1.2 ft. Many fisheries see 8–12 in adults.
- Common angling size
- 8–14 in in most stocked and native lakes.
- Typical weight
- Often well under 2 lb; a 2 lb fish is large in many waters.
- Maximum documented
- Some productive lakes produce fish into the high teens of inches and occasional multi-pound trophies, still far below typical anadromous sockeye size.
- Longevity
- Semelparous; commonly mature and die around age 3–5, similar in structure to sockeye.
What it gets confused with
- Anadromous sockeye salmon
- Same species, different life history. NOAA describes sea-going sockeye as 1.5–2.5 ft and 4–15 lb; kokanee rarely exceed 1.2 ft. Freshwater-returning sockeye are a regulated migratory record, not this landlocked lake fish.
- Rainbow trout
- Rainbows are spotted on the body and tail and have fewer anal rays. Kokanee lack those large spots.
- Cisco
- Cisco are coregonines with larger scales, no salmon-red spawning dress, and a terminal mouth without a salmon kype.
What follows from all of that
Presentation families
Stillwater
Trolling
Cover a depth contour or basin at a controlled speed to intercept mobile fish.
- speed control
- depth control
- follow the contour
- turn to change action
What it asks of the tackle
- Depth control
- High
- Sensitivity
- Low
- Casting distance
- Boat
- Weight range
- Varies with speed and depth
- Cover resistance
- Low
- Line visibility
- Moderate
- Retie frequency
- Low
Horizontal retrieve
Move a swimming bait through a chosen depth band along structure or open water.
- count down
- steady or pulsing retrieve
- keep the band
- cover the edge
What it asks of the tackle
- Depth control
- Moderate
- Sensitivity
- Moderate
- Casting distance
- Moderate to long
- Weight range
- 1/8–1/2 oz
- Cover resistance
- Moderate
- Line visibility
- Low
- Retie frequency
- Low
Suspend / pause
Leave a neutrally buoyant bait hanging in place where fish are already holding.
- reach the band
- long pause
- tiny pulse only if needed
- do not leave the zone
What it asks of the tackle
- Depth control
- High
- Sensitivity
- High
- Casting distance
- Moderate
- Weight range
- 1/8–3/8 oz suspending
- Cover resistance
- Low
- Line visibility
- Low
- Retie frequency
- Low
Vertical jig
Work a compact bait up and down through a marked depth, basin, or timber pocket.
- stay over the target
- measured lift
- controlled drop
- watch slack
What it asks of the tackle
- Depth control
- High
- Sensitivity
- High
- Casting distance
- Vertical
- Weight range
- 1/8–3/4 oz
- Cover resistance
- Moderate
- Line visibility
- Low
- Retie frequency
- Moderate
What moves them for this fish
Reviewed rules that push particular families up when the conditions match. Each one names the conditions it needs and why it exists, so you can disagree with it.
Kokanee are pelagic plankton feeders; verified plankton/open-water context strongly reinforces controlled travel through the occupied depth band.
When
Stillwater · Suspended / open water, Thermocline edge, Basin · Zooplankton
Moves up
Trolling, Horizontal retrieve, Suspend / pause, Vertical jig
Reviewed 2026-08-27
Where every sentence came from
Sources
Agency
Washington Department of Fish and Wildlife kokanee profile
Used for habitat, thermal band and presentation families; identification; behaviour; forage; season. Read 2026-08-30, next check 2026-11-27.
Agency
British Columbia kokanee monitoring and assessment literature
Used for habitat, thermal band and presentation families. Read 2026-08-27, next check 2026-11-27.
Agency
NOAA Fisheries Sockeye Salmon species profile (kokanee size and life history)
Used for identification. Read 2026-08-30, next check 2026-12-06.
Agency
NOAA Fisheries Sockeye Salmon species profile
Used for behaviour. Read 2026-08-30, next check 2026-12-08.
Agency
Idaho Department of Fish and Game kokanee management (plankton diet)
Used for forage. Read 2026-08-30, next check 2026-12-10.
Agency
Idaho Department of Fish and Game kokanee management
Used for season. Read 2026-08-30, next check 2026-11-29.
Synthesis
Scott & Crossman freshwater fishes synthesis for kokanee/sockeye ecology
Used for habitat, thermal band and presentation families; forage; season. Read 2026-08-30, next check 2026-11-27.
A source with no link predates the rule that one has to carry a URL. It is still a real citation and still checkable; it just takes a search rather than a click, and that is worth knowing before you rely on it.