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Lynn Canal & Stephens Passage

Barnacles – Residency

77th sighting in Lynn Canal & Stephens Passage
Fluke of Barnacles
Barnacles Confirmed in the catalog @6559
May 9 – Nov 2, 2021 · Lynn Canal & Stephens Passage

Six Months in the Bay

The currents here pulled me back again and again all summer long.

94 m
Deepest dive
4:11
Longest dive
264
Dives
Sightings
24
Days between first and last sighting
177

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 9, 2021106 m5.8°C30 m
May 27, 202178 m8.1°C58 m
Jun 1, 202147 m7.7°C27 m
Jun 8, 202199 m8.9°C44 m
Jul 5, 2021102 m11.4°C87 m
Jul 8, 2021154 m10.7°C74 m
Jul 23, 202189 m13.9°C71 m
Jul 25, 202157 m13.4°C48 m
Jul 31, 202158 m14.8°C39 m
Aug 7, 2021111 m15.6°C84 m
Aug 14, 202157 m13.7°C30 m
Aug 15, 2021176 m13.2°C55 m
Aug 15, 2021232 m13.8°C38 m
Aug 19, 202145 m12.9°C32 m
Aug 21, 202149 m15.3°C34 m
Aug 29, 2021106 m11.9°C19 m
Aug 31, 2021107 m11.4°C94 m
Sep 7, 2021117 m12.1°C75 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 9, 2021 — seafloor 106 m (measured), deepest dive 30 m (modelled)May 9May 27, 2021 — seafloor 78 m (measured), deepest dive 58 m (modelled)Jun 1, 2021 — seafloor 47 m (measured), deepest dive 27 m (modelled)Jun 8, 2021 — seafloor 99 m (measured), deepest dive 44 m (modelled)Jul 5, 2021 — seafloor 102 m (measured), deepest dive 87 m (modelled)Jul 5Jul 8, 2021 — seafloor 154 m (measured), deepest dive 74 m (modelled)Jul 23, 2021 — seafloor 89 m (measured), deepest dive 71 m (modelled)Jul 25, 2021 — seafloor 57 m (measured), deepest dive 48 m (modelled)Jul 31, 2021 — seafloor 58 m (measured), deepest dive 39 m (modelled)Jul 31Aug 7, 2021 — seafloor 111 m (measured), deepest dive 84 m (modelled)Aug 14, 2021 — seafloor 57 m (measured), deepest dive 30 m (modelled)Aug 15, 2021 — seafloor 176 m (measured), deepest dive 55 m (modelled)Aug 15, 2021 — seafloor 232 m (measured), deepest dive 38 m (modelled)Aug 15Aug 19, 2021 — seafloor 45 m (measured), deepest dive 32 m (modelled)Aug 21, 2021 — seafloor 49 m (measured), deepest dive 34 m (modelled)Aug 29, 2021 — seafloor 106 m (measured), deepest dive 19 m (modelled)Aug 31, 2021 — seafloor 107 m (measured), deepest dive 94 m (modelled)Aug 31Sep 7, 2021 — seafloor 117 m (measured), deepest dive 75 m (modelled)Sep 17, 2021 — seafloor 108 m (measured), deepest dive 56 m (modelled)Sep 18, 2021 — seafloor 140 m (measured), deepest dive 70 m (modelled)Oct 5, 2021 — seafloor 102 m (measured), deepest dive 39 m (modelled)Oct 5Oct 5, 2021 — seafloor 59 m (measured), deepest dive 44 m (modelled)Oct 17, 2021 — seafloor 100 m (measured), deepest dive 42 m (modelled)Nov 2, 2021 — seafloor 101 m (measured), deepest dive 62 m (modelled)

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

Dives

94 m
Deepest dive
4:11
Longest dive
264
Dives
23 m
Avg dive depth
24
Sightings
177
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010094 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 31, 2021

measured
Seafloor depth
107 m
Sea-surface temperature
11.4°C
Distance from shore
2.0 km

Across the residency · 24 sightings

measured
Seafloor depth
45 m – 232 m
Sea-surface temperature
5.8°C – 15.6°C
Distance from shore
1.0 km – 7.0 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 24 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.