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Lynn Canal & Stephens Passage

Mooncheese – Residency

19th sighting in Lynn Canal & Stephens Passage
Fluke of Mooncheese
Mooncheese Confirmed in the catalog @18088
May 2 – Aug 29, 2021 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · May – Aug 2021

75 m
Deepest dive
3:04
Longest dive
129
Dives
Sightings
8
Days between first and last sighting
119

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 2, 202153 m5.3°C48 m
Jul 15, 2021114 m13.2°C44 m
Jul 17, 202166 m13.0°C45 m
Jul 25, 2021100 m13.4°C71 m
Jul 31, 2021167 m14.8°C62 m
Aug 7, 2021100 m15.7°C64 m
Aug 19, 202190 m13.0°C75 m
Aug 29, 202157 m11.8°C28 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 2, 2021 — seafloor 53 m (measured), deepest dive 48 m (modelled)May 2Jul 15, 2021 — seafloor 114 m (measured), deepest dive 44 m (modelled)Jul 15Jul 17, 2021 — seafloor 66 m (measured), deepest dive 45 m (modelled)Jul 17Jul 25, 2021 — seafloor 100 m (measured), deepest dive 71 m (modelled)Jul 25Jul 31, 2021 — seafloor 167 m (measured), deepest dive 62 m (modelled)Jul 31Aug 7, 2021 — seafloor 100 m (measured), deepest dive 64 m (modelled)Aug 7Aug 19, 2021 — seafloor 90 m (measured), deepest dive 75 m (modelled)Aug 19Aug 29, 2021 — seafloor 57 m (measured), deepest dive 28 m (modelled)Aug 29

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

Dives

75 m
Deepest dive
3:04
Longest dive
129
Dives
21 m
Avg dive depth
8
Sightings
119
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010075 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (90 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 19, 2021

measured
Seafloor depth
90 m
Sea-surface temperature
13.0°C
Distance from shore
1.0 km

Across the residency · 8 sightings

measured
Seafloor depth
53 m – 167 m
Sea-surface temperature
5.3°C – 15.7°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 8 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.