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Lynn Canal & Stephens Passage

Cornucopia – Residency

72nd sighting in Lynn Canal & Stephens Passage
Fluke of Cornucopia
Cornucopia Confirmed in the catalog @16917
Mar 22 – Sep 1, 2026 · Lynn Canal & Stephens Passage

This Water Knows Me

Spruce on the wind, herring below—home doesn't get better than this.

328 m
Deepest dive
9:32
Longest dive
466
Dives
Sightings
42
Days between first and last sighting
163
Deepest dive on record
328 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 22, 202646 m5.3°C41 m
Mar 26, 202636 m5.1°C33 m
Mar 27, 202638 m4.9°C34 m
Mar 28, 202657 m4.9°C52 m
Jun 11, 2026111 m10.4°C64 m
Jun 24, 2026262 m11.5°C48 m
Jul 3, 202672 m11.3°C60 m
Jul 8, 202672 m12.1°C59 m
Jul 22, 2026436 m13.2°C328 m
Jul 23, 2026215 m13.4°C144 m
Jul 26, 2026154 m13.1°C136 m
Jul 27, 202665 m13.0°C25 m
Jul 28, 2026267 m13.4°C244 m
Jul 29, 202659 m13.2°C53 m
Jul 30, 202661 m13.1°C37 m
Jul 31, 202669 m13.1°C58 m
Aug 1, 202616 m13.3°C13 m
Aug 2, 202670 m13.7°C58 m

Seafloor and sea temperature measured · ✳ dives modelled ·

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Mar 22, 2026 — seafloor 46 m (measured), deepest dive 41 m (modelled)Mar 22Mar 26, 2026 — seafloor 36 m (measured), deepest dive 33 m (modelled)Mar 27, 2026 — seafloor 38 m (measured), deepest dive 34 m (modelled)Mar 28, 2026 — seafloor 57 m (measured), deepest dive 52 m (modelled)Jun 11, 2026 — seafloor 111 m (measured), deepest dive 64 m (modelled)Jun 24, 2026 — seafloor 262 m (measured), deepest dive 48 m (modelled)Jul 3, 2026 — seafloor 72 m (measured), deepest dive 60 m (modelled)Jul 8, 2026 — seafloor 72 m (measured), deepest dive 59 m (modelled)Jul 8Jul 22, 2026 — seafloor 436 m (measured), deepest dive 328 m (modelled)Jul 23, 2026 — seafloor 215 m (measured), deepest dive 144 m (modelled)Jul 26, 2026 — seafloor 154 m (measured), deepest dive 136 m (modelled)Jul 27, 2026 — seafloor 65 m (measured), deepest dive 25 m (modelled)Jul 28, 2026 — seafloor 267 m (measured), deepest dive 244 m (modelled)Jul 29, 2026 — seafloor 59 m (measured), deepest dive 53 m (modelled)Jul 30, 2026 — seafloor 61 m (measured), deepest dive 37 m (modelled)Jul 30Jul 31, 2026 — seafloor 69 m (measured), deepest dive 58 m (modelled)Aug 1, 2026 — seafloor 16 m (measured), deepest dive 13 m (modelled)Aug 2, 2026 — seafloor 70 m (measured), deepest dive 58 m (modelled)Aug 3, 2026 — seafloor 64 m (measured), deepest dive 58 m (modelled)Aug 4, 2026 — seafloor 81 m (measured), deepest dive 73 m (modelled)Aug 5, 2026 — seafloor 90 m (measured), deepest dive 79 m (modelled)Aug 6, 2026 — seafloor 86 m (measured), deepest dive 79 m (modelled)Aug 6Aug 7, 2026 — seafloor 124 m (measured), deepest dive 65 m (modelled)Aug 8, 2026 — seafloor 82 m (measured), deepest dive 39 m (modelled)Aug 9, 2026 — seafloor 86 m (measured), deepest dive 72 m (modelled)Aug 10, 2026 — seafloor 70 m (measured), deepest dive 53 m (modelled)Aug 11, 2026 — seafloor 59 m (measured), deepest dive 43 m (modelled)Aug 12, 2026 — seafloor 68 m (measured), deepest dive 39 m (modelled)Aug 13, 2026 — seafloor 84 m (measured), deepest dive 57 m (modelled)Aug 13Aug 14, 2026 — seafloor 98 m (measured), deepest dive 37 m (modelled)Aug 15, 2026 — seafloor 89 m (measured), deepest dive 70 m (modelled)Aug 16, 2026 — seafloor 83 m (measured), deepest dive 70 m (modelled)Aug 17, 2026 — seafloor 108 m (measured), deepest dive 95 m (modelled)Aug 18, 2026 — seafloor 60 m (measured), deepest dive 52 m (modelled)Aug 19, 2026 — seafloor 146 m (measured), deepest dive 120 m (modelled)Aug 20, 2026 — seafloor 104 m (measured), deepest dive 32 m (modelled)Aug 20Aug 21, 2026 — seafloor 72 m (measured), deepest dive 48 m (modelled)Aug 24, 2026 — seafloor 49 m (measured), deepest dive 42 m (modelled)Aug 29, 2026 — seafloor 88 m (measured), deepest dive 58 m (modelled)Aug 30, 2026 — seafloor 83 m (measured), deepest dive 76 m (modelled)Aug 31, 2026 — seafloor 82 m (measured), deepest dive 50 m (modelled)Sep 1, 2026 — seafloor 155 m (measured), deepest dive 40 m (modelled)

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

328 m
Deepest dive
9:32
Longest dive
466
Dives
26 m
Avg dive depth
42
Sightings
163
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0175350328 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (436 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jul 22, 2026

measured
Seafloor depth
436 m
Sea-surface temperature
13.2°C
Distance from shore
1.0 km

Across the residency · 42 sightings

measured
Seafloor depth
16 m – 436 m
Sea-surface temperature
4.9°C – 15.7°C
Distance from shore
1.0 km – 3.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 42 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.