Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Johnstone Strait & Broughton

Meniscus – Residency

3rd sighting in Johnstone Strait & Broughton
Fluke of Meniscus
Meniscus Confirmed in the catalog @40986
Jul 26 – Sep 22, 2024 · Johnstone Strait & Broughton

Johnstone Strait & Broughton · Jul – Sep 2024

110 m
Deepest dive
3:25
Longest dive
25
Dives
Sightings
3
Days between first and last sighting
58
Deepest dive on record
110 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 26, 2024234 m—110 m
Sep 7, 2024263 m—81 m
Sep 22, 202412 m—10 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 26, 2024 — seafloor 234 m (measured), deepest dive 110 m (modelled)Jul 26Sep 7, 2024 — seafloor 263 m (measured), deepest dive 81 m (modelled)Sep 7Sep 22, 2024 — seafloor 12 m (measured), deepest dive 10 m (modelled)Sep 22

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

Dives

110 m
Deepest dive
3:25
Longest dive
25
Dives
24 m
Avg dive depth
3
Sightings
58
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150110 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (234 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 26, 2024

measured
Seafloor depth
234 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
12 m – 263 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 3 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.