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

Poptart – Residency

54th sighting in Salish Sea
Fluke of Poptart
Poptart Confirmed in the catalog @3303
May 1 – Jul 13, 2026 · Salish Sea

Green Water, Good Company

These shallows know me by now, and I know every herring ball in them.

120 m
Deepest dive
3:55
Longest dive
97
Dives
Sightings
5
Days between first and last sighting
72

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 1, 2026270 m10.6°C120 m
May 5, 202692 m10.9°C53 m
Jul 2, 2026164 m13.0°C55 m
Jul 8, 202699 m17.0°C61 m
Jul 13, 202676 m15.2°C53 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 1, 2026 — seafloor 270 m (measured), deepest dive 120 m (modelled)May 1May 5, 2026 — seafloor 92 m (measured), deepest dive 53 m (modelled)May 5Jul 2, 2026 — seafloor 164 m (measured), deepest dive 55 m (modelled)Jul 2Jul 8, 2026 — seafloor 99 m (measured), deepest dive 61 m (modelled)Jul 8Jul 13, 2026 — seafloor 76 m (measured), deepest dive 53 m (modelled)Jul 13

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

Dives

120 m
Deepest dive
3:55
Longest dive
97
Dives
24 m
Avg dive depth
5
Sightings
72
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150120 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (270 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 · May 1, 2026

measured
Seafloor depth
270 m
Sea-surface temperature
10.6°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
76 m – 270 m
Sea-surface temperature
10.6°C – 17.0°C
Distance from shore
2.0 km – 7.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 5 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.