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

Mensa – Residency

10th sighting in Salish Sea
Fluke of Mensa
Mensa Confirmed in the catalog @7206
Jul 7 – Oct 21, 2024 · Salish Sea

Salish Sea · Jul – Oct 2024

123 m
Deepest dive
4:40
Longest dive
47
Dives
Sightings
4
Days between first and last sighting
106

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 7, 2024347 m—76 m
Jul 9, 2024151 m—123 m
Jul 29, 2024289 m—107 m
Oct 21, 2024106 m—95 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
Jul 7, 2024 — seafloor 347 m (measured), deepest dive 76 m (modelled)Jul 7Jul 9, 2024 — seafloor 151 m (measured), deepest dive 123 m (modelled)Jul 9Jul 29, 2024 — seafloor 289 m (measured), deepest dive 107 m (modelled)Jul 29Oct 21, 2024 — seafloor 106 m (measured), deepest dive 95 m (modelled)Oct 21

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

Dives

123 m
Deepest dive
4:40
Longest dive
47
Dives
35 m
Avg dive depth
4
Sightings
106
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150123 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (151 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 9, 2024

measured
Seafloor depth
151 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
106 m – 347 m
Sea-surface temperature
—
Distance from shore
4.0 km – 13.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.