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

Deca – Residency

11th sighting in Salish Sea
Fluke of Deca
Deca Confirmed in the catalog @53274
May 19 – Sep 18, 2024 · Salish Sea

Salish Sea · May – Sep 2024

102 m
Deepest dive
4:34
Longest dive
101
Dives
Sightings
8
Days between first and last sighting
123

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 19, 202431 m—29 m
Jun 27, 2024238 m—74 m
Jul 7, 2024143 m—86 m
Jul 14, 2024244 m—54 m
Aug 5, 2024167 m—47 m
Sep 18, 2024150 m—61 m
Sep 18, 2024119 m—102 m
Sep 18, 202487 m—79 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
May 19, 2024 — seafloor 31 m (measured), deepest dive 29 m (modelled)May 19Jun 27, 2024 — seafloor 238 m (measured), deepest dive 74 m (modelled)Jun 27Jul 7, 2024 — seafloor 143 m (measured), deepest dive 86 m (modelled)Jul 7Jul 14, 2024 — seafloor 244 m (measured), deepest dive 54 m (modelled)Jul 14Aug 5, 2024 — seafloor 167 m (measured), deepest dive 47 m (modelled)Aug 5Sep 18, 2024 — seafloor 150 m (measured), deepest dive 61 m (modelled)Sep 18Sep 18, 2024 — seafloor 119 m (measured), deepest dive 102 m (modelled)Sep 18Sep 18, 2024 — seafloor 87 m (measured), deepest dive 79 m (modelled)Sep 18

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

Dives

102 m
Deepest dive
4:34
Longest dive
101
Dives
27 m
Avg dive depth
8
Sightings
123
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150102 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 · Sep 18, 2024

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

Across the residency · 8 sightings

measured
Seafloor depth
31 m – 244 m
Sea-surface temperature
—
Distance from shore
1.0 km – 6.0 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 8 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.