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

Dalmatian – Residency

28th sighting in Salish Sea
Fluke of Dalmatian
Dalmatian Confirmed in the catalog @7140
Aug 30 – Sep 28, 2023 · Salish Sea

Salish Sea · Aug – Sep 2023

129 m
Deepest dive
3:47
Longest dive
75
Dives
Sightings
7
Days between first and last sighting
28

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 30, 2023150 m17.5°C60 m
Sep 9, 2023146 m17.2°C129 m
Sep 10, 2023391 m17.7°C97 m
Sep 22, 2023198 m15.1°C31 m
Sep 23, 2023137 m14.5°C71 m
Sep 23, 2023163 m14.9°C80 m
Sep 28, 2023234 m13.1°C90 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 30, 2023 — seafloor 150 m (measured), deepest dive 60 m (modelled)Aug 30Sep 9, 2023 — seafloor 146 m (measured), deepest dive 129 m (modelled)Sep 9Sep 10, 2023 — seafloor 391 m (measured), deepest dive 97 m (modelled)Sep 10Sep 22, 2023 — seafloor 198 m (measured), deepest dive 31 m (modelled)Sep 22Sep 23, 2023 — seafloor 137 m (measured), deepest dive 71 m (modelled)Sep 23Sep 23, 2023 — seafloor 163 m (measured), deepest dive 80 m (modelled)Sep 23Sep 28, 2023 — seafloor 234 m (measured), deepest dive 90 m (modelled)Sep 28

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

Dives

129 m
Deepest dive
3:47
Longest dive
75
Dives
31 m
Avg dive depth
7
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150129 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (146 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 9, 2023

measured
Seafloor depth
146 m
Sea-surface temperature
17.2°C
Distance from shore
7.0 km

Across the residency · 7 sightings

measured
Seafloor depth
137 m – 391 m
Sea-surface temperature
13.1°C – 17.7°C
Distance from shore
3.0 km – 14.0 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 7 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.