Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Glacier Bay & Icy Strait

Bullethole – Residency

19th sighting in Glacier Bay & Icy Strait
Fluke of Bullethole
Bullethole Confirmed in the catalog @26458
May 7 – Sep 10, 2018 · Glacier Bay & Icy Strait

Glacier Bay & Icy Strait · May – Sep 2018

170 m
Deepest dive
4:21
Longest dive
80
Dives
Sightings
7
Days between first and last sighting
126

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 7, 201884 m7.1°C32 m
May 30, 201887 m9.3°C77 m
May 30, 2018101 m9.3°C45 m
Jun 28, 201852 m10.7°C41 m
Jul 29, 2018606 m14.4°C77 m
Aug 15, 2018199 m12.0°C170 m
Sep 10, 2018105 m12.7°C61 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 7, 2018 — seafloor 84 m (measured), deepest dive 32 m (modelled)May 7May 30, 2018 — seafloor 87 m (measured), deepest dive 77 m (modelled)May 30May 30, 2018 — seafloor 101 m (measured), deepest dive 45 m (modelled)May 30Jun 28, 2018 — seafloor 52 m (measured), deepest dive 41 m (modelled)Jun 28Jul 29, 2018 — seafloor 606 m (measured), deepest dive 77 m (modelled)Jul 29Aug 15, 2018 — seafloor 199 m (measured), deepest dive 170 m (modelled)Aug 15Sep 10, 2018 — seafloor 105 m (measured), deepest dive 61 m (modelled)Sep 10

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

Dives

170 m
Deepest dive
4:21
Longest dive
80
Dives
28 m
Avg dive depth
7
Sightings
126
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200170 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 15, 2018

measured
Seafloor depth
199 m
Sea-surface temperature
12.0°C
Distance from shore
—

Across the residency · 7 sightings

measured
Seafloor depth
52 m – 606 m
Sea-surface temperature
7.1°C – 14.4°C
Distance from shore
1.0 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 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.