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

Dalmatian – Residency

40th sighting in Salish Sea
Fluke of Dalmatian
Dalmatian Confirmed in the catalog @7140
Nov 11 – 12, 2025 · Salish Sea

Salish Sea · Nov 2025

39 m
Deepest dive
1:39
Longest dive
16
Dives
Sightings
2
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 11, 202524 m10.8°C20 m
Nov 12, 202561 m11.0°C39 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
Nov 11, 2025 — seafloor 24 m (measured), deepest dive 20 m (modelled)Nov 11Nov 12, 2025 — seafloor 61 m (measured), deepest dive 39 m (modelled)Nov 12

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

Dives

39 m
Deepest dive
1:39
Longest dive
16
Dives
16 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255039 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (61 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 · Nov 12, 2025

measured
Seafloor depth
61 m
Sea-surface temperature
11.0°C
Distance from shore
3.0 km

Across the residency · 2 sightings

measured
Seafloor depth
24 m – 61 m
Sea-surface temperature
10.8°C – 11.0°C
Distance from shore
2.0 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 2 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.