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

Hunter – Residency

6th sighting in Johnstone Strait & Broughton
Fluke of Hunter
Hunter Confirmed in the catalog @18601
Jul 22 – Aug 15, 2023 · Johnstone Strait & Broughton

Johnstone Strait & Broughton · Jul – Aug 2023

113 m
Deepest dive
3:27
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
24
Deepest dive on record
113 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 22, 202362 m—53 m
Jul 29, 2023129 m—113 m
Aug 1, 202378 m—40 m
Aug 15, 202366 m—54 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 22, 2023 — seafloor 62 m (measured), deepest dive 53 m (modelled)Jul 22Jul 29, 2023 — seafloor 129 m (measured), deepest dive 113 m (modelled)Jul 29Aug 1, 2023 — seafloor 78 m (measured), deepest dive 40 m (modelled)Aug 1Aug 15, 2023 — seafloor 66 m (measured), deepest dive 54 m (modelled)Aug 15

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

Dives

113 m
Deepest dive
3:27
Longest dive
43
Dives
26 m
Avg dive depth
4
Sightings
24
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150113 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (129 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 29, 2023

measured
Seafloor depth
129 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
62 m – 129 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 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.