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

Bolt – Residency

7th sighting in Clarence Strait
Fluke of Bolt
Bolt Confirmed in the catalog @26145
Jun 29 – Jul 16, 2023 · Clarence Strait

Clarence Strait · Jun – Jul 2023

117 m
Deepest dive
4:59
Longest dive
75
Dives
Sightings
7
Days between first and last sighting
17
Deepest dive on record
117 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 2023181 m—117 m
Jun 29, 202349 m—39 m
Jul 3, 202334 m—31 m
Jul 6, 202345 m—37 m
Jul 6, 202391 m—69 m
Jul 6, 202315 m—11 m
Jul 16, 202323 m—20 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
Jun 29, 2023 — seafloor 181 m (measured), deepest dive 117 m (modelled)Jun 29Jun 29, 2023 — seafloor 49 m (measured), deepest dive 39 m (modelled)Jun 29Jul 3, 2023 — seafloor 34 m (measured), deepest dive 31 m (modelled)Jul 3Jul 6, 2023 — seafloor 45 m (measured), deepest dive 37 m (modelled)Jul 6Jul 6, 2023 — seafloor 91 m (measured), deepest dive 69 m (modelled)Jul 6Jul 6, 2023 — seafloor 15 m (measured), deepest dive 11 m (modelled)Jul 6Jul 16, 2023 — seafloor 23 m (measured), deepest dive 20 m (modelled)Jul 16

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

Dives

117 m
Deepest dive
4:59
Longest dive
75
Dives
16 m
Avg dive depth
7
Sightings
17
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150117 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (181 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 · Jun 29, 2023

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

Across the residency · 7 sightings

measured
Seafloor depth
15 m – 181 m
Sea-surface temperature
—
Distance from shore
1.0 km – 3.0 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 7 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.