Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Lynn Canal & Stephens Passage

Siliqua – Residency

2nd sighting in Lynn Canal & Stephens Passage
Fluke of Siliqua
Siliqua Confirmed in the catalog @26687
Jun 8 – Sep 26, 2021 · Lynn Canal & Stephens Passage

Lynn Canal & Stephens Passage · Jun – Sep 2021

97 m
Deepest dive
3:36
Longest dive
44
Dives
Sightings
3
Days between first and last sighting
110

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 8, 202152 m—30 m
Aug 22, 2021111 m—97 m
Sep 26, 202196 m—48 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 8, 2021 — seafloor 52 m (measured), deepest dive 30 m (modelled)Jun 8Aug 22, 2021 — seafloor 111 m (measured), deepest dive 97 m (modelled)Aug 22Sep 26, 2021 — seafloor 96 m (measured), deepest dive 48 m (modelled)Sep 26

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

Dives

97 m
Deepest dive
3:36
Longest dive
44
Dives
24 m
Avg dive depth
3
Sightings
110
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010097 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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 22, 2021

measured
Seafloor depth
111 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
52 m – 111 m
Sea-surface temperature
—
Distance from shore
1.0 km – 4.0 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 3 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.