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Lynn Canal & Stephens Passage

Mooncheese – Residency

58th sighting in Lynn Canal & Stephens Passage
Fluke of Mooncheese
Mooncheese Confirmed in the catalog @18088
Apr 26 – Sep 14, 2024 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Apr – Sep 2024

125 m
Deepest dive
4:03
Longest dive
178
Dives
Sightings
14
Days between first and last sighting
141
Deepest dive on record
125 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 26, 202456 m7.0°C49 m
May 4, 202459 m8.0°C23 m
May 5, 2024124 m8.3°C92 m
May 11, 202466 m6.2°C60 m
Jun 8, 202490 m8.9°C34 m
Jun 13, 202498 m10.2°C78 m
Jun 27, 202474 m12.3°C63 m
Jun 27, 202475 m12.3°C43 m
Jun 29, 202464 m13.0°C44 m
Aug 5, 2024100 m14.0°C47 m
Sep 2, 2024137 m14.1°C125 m
Sep 7, 2024101 m13.0°C26 m
Sep 9, 202441 m12.2°C38 m
Sep 14, 202492 m12.1°C73 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
Apr 26, 2024 — seafloor 56 m (measured), deepest dive 49 m (modelled)Apr 26May 4, 2024 — seafloor 59 m (measured), deepest dive 23 m (modelled)May 5, 2024 — seafloor 124 m (measured), deepest dive 92 m (modelled)May 11, 2024 — seafloor 66 m (measured), deepest dive 60 m (modelled)May 11Jun 8, 2024 — seafloor 90 m (measured), deepest dive 34 m (modelled)Jun 13, 2024 — seafloor 98 m (measured), deepest dive 78 m (modelled)Jun 27, 2024 — seafloor 74 m (measured), deepest dive 63 m (modelled)Jun 27Jun 27, 2024 — seafloor 75 m (measured), deepest dive 43 m (modelled)Jun 29, 2024 — seafloor 64 m (measured), deepest dive 44 m (modelled)Aug 5, 2024 — seafloor 100 m (measured), deepest dive 47 m (modelled)Aug 5Sep 2, 2024 — seafloor 137 m (measured), deepest dive 125 m (modelled)Sep 7, 2024 — seafloor 101 m (measured), deepest dive 26 m (modelled)Sep 9, 2024 — seafloor 41 m (measured), deepest dive 38 m (modelled)Sep 9Sep 14, 2024 — seafloor 92 m (measured), deepest dive 73 m (modelled)

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

Dives

125 m
Deepest dive
4:03
Longest dive
178
Dives
22 m
Avg dive depth
14
Sightings
141
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150125 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (137 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 · Sep 2, 2024

measured
Seafloor depth
137 m
Sea-surface temperature
14.1°C
Distance from shore
2.0 km

Across the residency · 14 sightings

measured
Seafloor depth
41 m – 137 m
Sea-surface temperature
6.2°C – 14.1°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 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.