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

CRC-20500 – Residency

4th sighting in Salish Sea
Fluke of CRC-20500
CRC-20500 Confirmed in the catalog @34698
Aug 31 – Sep 22, 2026 · Salish Sea

Salish Sea · Aug – Sep 2026

112 m
Deepest dive
3:33
Longest dive
66
Dives
Sightings
3
Days between first and last sighting
22

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 31, 202689 m14.8°C24 m
Sep 7, 202690 m—61 m
Sep 22, 2026173 m—112 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 31, 2026 — seafloor 89 m (measured), deepest dive 24 m (modelled)Aug 31Sep 7, 2026 — seafloor 90 m (measured), deepest dive 61 m (modelled)Sep 7Sep 22, 2026 — seafloor 173 m (measured), deepest dive 112 m (modelled)Sep 22

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

Dives

112 m
Deepest dive
3:33
Longest dive
66
Dives
19 m
Avg dive depth
3
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150112 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (173 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 · Sep 22, 2026

measured
Seafloor depth
173 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
89 m – 173 m
Sea-surface temperature
14.8°C
Distance from shore
4.0 km – 7.0 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.