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Lynn Canal & Stephens Passage

Razorback – Residency

41st sighting in Lynn Canal & Stephens Passage
Fluke of Razorback
Razorback Confirmed in the catalog @6837
Jun 26 – Jul 30, 2023 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Jul 2023

113 m
Deepest dive
5:10
Longest dive
370
Dives
Sightings
23
Days between first and last sighting
34

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 26, 2023100 m12.7°C74 m
Jul 1, 2023114 m12.0°C80 m
Jul 2, 202363 m11.9°C56 m
Jul 3, 202341 m12.3°C28 m
Jul 4, 202336 m11.9°C32 m
Jul 6, 2023150 m13.2°C83 m
Jul 7, 202387 m13.6°C43 m
Jul 8, 2023125 m13.5°C84 m
Jul 9, 202372 m13.7°C52 m
Jul 10, 202372 m13.8°C59 m
Jul 11, 202391 m13.4°C53 m
Jul 12, 2023105 m13.9°C81 m
Jul 13, 202375 m14.5°C58 m
Jul 14, 202372 m15.0°C44 m
Jul 15, 202356 m14.9°C40 m
Jul 16, 202376 m15.0°C58 m
Jul 17, 202359 m15.1°C43 m
Jul 18, 202372 m15.3°C25 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
Jun 26, 2023 — seafloor 100 m (measured), deepest dive 74 m (modelled)Jun 26Jul 1, 2023 — seafloor 114 m (measured), deepest dive 80 m (modelled)Jul 2, 2023 — seafloor 63 m (measured), deepest dive 56 m (modelled)Jul 3, 2023 — seafloor 41 m (measured), deepest dive 28 m (modelled)Jul 4, 2023 — seafloor 36 m (measured), deepest dive 32 m (modelled)Jul 4Jul 6, 2023 — seafloor 150 m (measured), deepest dive 83 m (modelled)Jul 7, 2023 — seafloor 87 m (measured), deepest dive 43 m (modelled)Jul 8, 2023 — seafloor 125 m (measured), deepest dive 84 m (modelled)Jul 9, 2023 — seafloor 72 m (measured), deepest dive 52 m (modelled)Jul 9Jul 10, 2023 — seafloor 72 m (measured), deepest dive 59 m (modelled)Jul 11, 2023 — seafloor 91 m (measured), deepest dive 53 m (modelled)Jul 12, 2023 — seafloor 105 m (measured), deepest dive 81 m (modelled)Jul 13, 2023 — seafloor 75 m (measured), deepest dive 58 m (modelled)Jul 13Jul 14, 2023 — seafloor 72 m (measured), deepest dive 44 m (modelled)Jul 15, 2023 — seafloor 56 m (measured), deepest dive 40 m (modelled)Jul 16, 2023 — seafloor 76 m (measured), deepest dive 58 m (modelled)Jul 17, 2023 — seafloor 59 m (measured), deepest dive 43 m (modelled)Jul 17Jul 18, 2023 — seafloor 72 m (measured), deepest dive 25 m (modelled)Jul 21, 2023 — seafloor 198 m (measured), deepest dive 113 m (modelled)Jul 26, 2023 — seafloor 96 m (measured), deepest dive 71 m (modelled)Jul 27, 2023 — seafloor 116 m (measured), deepest dive 83 m (modelled)Jul 27Jul 29, 2023 — seafloor 70 m (measured), deepest dive 50 m (modelled)Jul 30, 2023 — seafloor 58 m (measured), deepest dive 23 m (modelled)

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

Dives

113 m
Deepest dive
5:10
Longest dive
370
Dives
22 m
Avg dive depth
23
Sightings
34
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150113 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (198 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 21, 2023

measured
Seafloor depth
198 m
Sea-surface temperature
13.9°C
Distance from shore
3.0 km

Across the residency · 23 sightings

measured
Seafloor depth
36 m – 198 m
Sea-surface temperature
11.9°C – 15.6°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 23 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.