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

Uluka – Residency

19th sighting in Salish Sea
Fluke of Uluka
Uluka Confirmed in the catalog @11255
Jul 28 – Dec 12, 2024 · Salish Sea

Salish Sea · Jul – Dec 2024

105 m
Deepest dive
3:23
Longest dive
80
Dives
Sightings
7
Days between first and last sighting
137

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 28, 2024125 m—87 m
Jul 28, 202447 m—36 m
Aug 3, 2024278 m—62 m
Aug 18, 2024119 m—105 m
Aug 22, 202488 m—37 m
Oct 27, 2024205 m—53 m
Dec 12, 202475 m—62 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
Jul 28, 2024 — seafloor 125 m (measured), deepest dive 87 m (modelled)Jul 28Jul 28, 2024 — seafloor 47 m (measured), deepest dive 36 m (modelled)Jul 28Aug 3, 2024 — seafloor 278 m (measured), deepest dive 62 m (modelled)Aug 3Aug 18, 2024 — seafloor 119 m (measured), deepest dive 105 m (modelled)Aug 18Aug 22, 2024 — seafloor 88 m (measured), deepest dive 37 m (modelled)Aug 22Oct 27, 2024 — seafloor 205 m (measured), deepest dive 53 m (modelled)Oct 27Dec 12, 2024 — seafloor 75 m (measured), deepest dive 62 m (modelled)Dec 12

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

Dives

105 m
Deepest dive
3:23
Longest dive
80
Dives
24 m
Avg dive depth
7
Sightings
137
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150105 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (119 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 18, 2024

measured
Seafloor depth
119 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 7 sightings

measured
Seafloor depth
47 m – 278 m
Sea-surface temperature
—
Distance from shore
2.0 km – 14.0 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 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.