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Lynn Canal & Stephens Passage

Mooncheese – Residency

47th sighting in Lynn Canal & Stephens Passage
Fluke of Mooncheese
Mooncheese Confirmed in the catalog @18088
May 4 – Aug 6, 2023 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Aug 2023

92 m
Deepest dive
3:53
Longest dive
178
Dives
Sightings
14
Days between first and last sighting
94

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 4, 202359 m5.6°C39 m
May 26, 202391 m8.6°C62 m
Jun 13, 202349 m9.2°C44 m
Jun 30, 202357 m12.1°C51 m
Jul 2, 202356 m11.8°C17 m
Jul 7, 202387 m13.6°C29 m
Jul 7, 202372 m13.3°C54 m
Jul 13, 202326 m14.3°C23 m
Jul 14, 202382 m15.0°C34 m
Jul 22, 202395 m14.9°C33 m
Jul 24, 2023117 m14.5°C46 m
Jul 26, 2023111 m14.7°C54 m
Jul 27, 2023119 m15.0°C81 m
Aug 6, 2023103 m15.3°C92 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
May 4, 2023 — seafloor 59 m (measured), deepest dive 39 m (modelled)May 4May 26, 2023 — seafloor 91 m (measured), deepest dive 62 m (modelled)Jun 13, 2023 — seafloor 49 m (measured), deepest dive 44 m (modelled)Jun 30, 2023 — seafloor 57 m (measured), deepest dive 51 m (modelled)Jun 30Jul 2, 2023 — seafloor 56 m (measured), deepest dive 17 m (modelled)Jul 7, 2023 — seafloor 87 m (measured), deepest dive 29 m (modelled)Jul 7, 2023 — seafloor 72 m (measured), deepest dive 54 m (modelled)Jul 7Jul 13, 2023 — seafloor 26 m (measured), deepest dive 23 m (modelled)Jul 14, 2023 — seafloor 82 m (measured), deepest dive 34 m (modelled)Jul 22, 2023 — seafloor 95 m (measured), deepest dive 33 m (modelled)Jul 22Jul 24, 2023 — seafloor 117 m (measured), deepest dive 46 m (modelled)Jul 26, 2023 — seafloor 111 m (measured), deepest dive 54 m (modelled)Jul 27, 2023 — seafloor 119 m (measured), deepest dive 81 m (modelled)Jul 27Aug 6, 2023 — seafloor 103 m (measured), deepest dive 92 m (modelled)

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

Dives

92 m
Deepest dive
3:53
Longest dive
178
Dives
21 m
Avg dive depth
14
Sightings
94
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010092 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (103 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 · Aug 6, 2023

measured
Seafloor depth
103 m
Sea-surface temperature
15.3°C
Distance from shore
1.0 km

Across the residency · 14 sightings

measured
Seafloor depth
26 m – 119 m
Sea-surface temperature
5.6°C – 15.3°C
Distance from shore
1.0 km – 2.0 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 14 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.