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Lynn Canal & Stephens Passage

Bullethole – Residency

168th sighting in Lynn Canal & Stephens Passage
Fluke of Bullethole
Bullethole Confirmed in the catalog @26458
May 4 – Sep 16, 2023 · Lynn Canal & Stephens Passage

Summer Residence

Five months in the same cold corners, feeding deep where the glaciers meet the sea.

210 m
Deepest dive
6:07
Longest dive
640
Dives
Sightings
53
Days between first and last sighting
134
Deepest dive on record
210 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 4, 202394 m5.6°C80 m
May 6, 202338 m5.6°C35 m
May 8, 202351 m6.3°C32 m
May 10, 2023113 m6.5°C96 m
May 12, 202357 m7.3°C38 m
May 15, 202399 m8.5°C64 m
May 16, 202372 m8.6°C65 m
May 22, 202369 m8.3°C18 m
Jun 3, 202396 m9.0°C35 m
Jun 11, 202387 m9.1°C31 m
Jun 12, 2023347 m9.4°C92 m
Jun 14, 2023121 m9.9°C102 m
Jun 17, 202391 m10.1°C48 m
Jun 18, 2023609 m10.4°C210 m
Jun 22, 2023113 m11.7°C68 m
Jun 23, 202358 m11.5°C38 m
Jun 24, 2023106 m11.7°C81 m
Jun 25, 2023121 m12.3°C67 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 4, 2023 — seafloor 94 m (measured), deepest dive 80 m (modelled)May 4May 6, 2023 — seafloor 38 m (measured), deepest dive 35 m (modelled)May 8, 2023 — seafloor 51 m (measured), deepest dive 32 m (modelled)May 10, 2023 — seafloor 113 m (measured), deepest dive 96 m (modelled)May 12, 2023 — seafloor 57 m (measured), deepest dive 38 m (modelled)May 15, 2023 — seafloor 99 m (measured), deepest dive 64 m (modelled)May 16, 2023 — seafloor 72 m (measured), deepest dive 65 m (modelled)May 22, 2023 — seafloor 69 m (measured), deepest dive 18 m (modelled)Jun 3, 2023 — seafloor 96 m (measured), deepest dive 35 m (modelled)Jun 11, 2023 — seafloor 87 m (measured), deepest dive 31 m (modelled)Jun 11Jun 12, 2023 — seafloor 347 m (measured), deepest dive 92 m (modelled)Jun 14, 2023 — seafloor 121 m (measured), deepest dive 102 m (modelled)Jun 17, 2023 — seafloor 91 m (measured), deepest dive 48 m (modelled)Jun 18, 2023 — seafloor 609 m (measured), deepest dive 210 m (modelled)Jun 22, 2023 — seafloor 113 m (measured), deepest dive 68 m (modelled)Jun 23, 2023 — seafloor 58 m (measured), deepest dive 38 m (modelled)Jun 24, 2023 — seafloor 106 m (measured), deepest dive 81 m (modelled)Jun 25, 2023 — seafloor 121 m (measured), deepest dive 67 m (modelled)Jun 26, 2023 — seafloor 99 m (measured), deepest dive 25 m (modelled)Jun 26Jul 2, 2023 — seafloor 103 m (measured), deepest dive 89 m (modelled)Jul 4, 2023 — seafloor 72 m (measured), deepest dive 60 m (modelled)Jul 6, 2023 — seafloor 88 m (measured), deepest dive 30 m (modelled)Jul 7, 2023 — seafloor 87 m (measured), deepest dive 71 m (modelled)Jul 8, 2023 — seafloor 125 m (measured), deepest dive 87 m (modelled)Jul 11, 2023 — seafloor 90 m (measured), deepest dive 41 m (modelled)Jul 12, 2023 — seafloor 65 m (measured), deepest dive 59 m (modelled)Jul 13, 2023 — seafloor 39 m (measured), deepest dive 33 m (modelled)Jul 13, 2023 — seafloor 75 m (measured), deepest dive 45 m (modelled)Jul 13Jul 14, 2023 — seafloor 30 m (measured), deepest dive 27 m (modelled)Jul 14, 2023 — seafloor 57 m (measured), deepest dive 51 m (modelled)Jul 15, 2023 — seafloor 101 m (measured), deepest dive 91 m (modelled)Jul 16, 2023 — seafloor 78 m (measured), deepest dive 58 m (modelled)Jul 17, 2023 — seafloor 59 m (measured), deepest dive 39 m (modelled)Jul 18, 2023 — seafloor 72 m (measured), deepest dive 33 m (modelled)Jul 20, 2023 — seafloor 52 m (measured), deepest dive 36 m (modelled)Jul 20, 2023 — seafloor 110 m (measured), deepest dive 73 m (modelled)Jul 24, 2023 — seafloor 34 m (measured), deepest dive 29 m (modelled)Jul 24Jul 25, 2023 — seafloor 125 m (measured), deepest dive 67 m (modelled)Jul 26, 2023 — seafloor 94 m (measured), deepest dive 43 m (modelled)Jul 28, 2023 — seafloor 72 m (measured), deepest dive 37 m (modelled)Jul 29, 2023 — seafloor 57 m (measured), deepest dive 37 m (modelled)Jul 29, 2023 — seafloor 71 m (measured), deepest dive 62 m (modelled)Jul 30, 2023 — seafloor 72 m (measured), deepest dive 18 m (modelled)Jul 31, 2023 — seafloor 128 m (measured), deepest dive 76 m (modelled)Aug 5, 2023 — seafloor 105 m (measured), deepest dive 33 m (modelled)Aug 6, 2023 — seafloor 41 m (measured), deepest dive 32 m (modelled)Aug 6Aug 8, 2023 — seafloor 72 m (measured), deepest dive 60 m (modelled)Aug 12, 2023 — seafloor 137 m (measured), deepest dive 65 m (modelled)Aug 19, 2023 — seafloor 122 m (measured), deepest dive 61 m (modelled)Sep 3, 2023 — seafloor 103 m (measured), deepest dive 50 m (modelled)Sep 13, 2023 — seafloor 49 m (measured), deepest dive 40 m (modelled)Sep 13, 2023 — seafloor 94 m (measured), deepest dive 80 m (modelled)Sep 16, 2023 — seafloor 179 m (measured), deepest dive 107 m (modelled)

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

Dives

210 m
Deepest dive
6:07
Longest dive
640
Dives
23 m
Avg dive depth
53
Sightings
134
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250210 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (609 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 18, 2023

measured
Seafloor depth
609 m
Sea-surface temperature
10.4°C
Distance from shore
3.0 km

Across the residency · 53 sightings

measured
Seafloor depth
30 m – 609 m
Sea-surface temperature
5.6°C – 16.0°C
Distance from shore
1.0 km – 3.0 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 53 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.