Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Roe – Residency

19th sighting in Salish Sea
Fluke of Roe
Roe Confirmed in the catalog @82428
Aug 9 – Nov 18, 2025 · Salish Sea

Salish Sea · Aug – Nov 2025

86 m
Deepest dive
3:56
Longest dive
90
Dives
Sightings
6
Days between first and last sighting
101

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 9, 2025150 m—33 m
Aug 25, 202549 m—42 m
Sep 4, 202580 m—61 m
Oct 5, 2025262 m—86 m
Oct 9, 202531 m—24 m
Nov 18, 202561 m—52 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
Aug 9, 2025 — seafloor 150 m (measured), deepest dive 33 m (modelled)Aug 9Aug 25, 2025 — seafloor 49 m (measured), deepest dive 42 m (modelled)Aug 25Sep 4, 2025 — seafloor 80 m (measured), deepest dive 61 m (modelled)Sep 4Oct 5, 2025 — seafloor 262 m (measured), deepest dive 86 m (modelled)Oct 5Oct 9, 2025 — seafloor 31 m (measured), deepest dive 24 m (modelled)Oct 9Nov 18, 2025 — seafloor 61 m (measured), deepest dive 52 m (modelled)Nov 18

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

Dives

86 m
Deepest dive
3:56
Longest dive
90
Dives
23 m
Avg dive depth
6
Sightings
101
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (262 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 · Oct 5, 2025

measured
Seafloor depth
262 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 6 sightings

measured
Seafloor depth
31 m – 262 m
Sea-surface temperature
—
Distance from shore
1.0 km – 8.0 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 6 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.