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

Zillion – Residency

103rd sighting in Salish Sea
Fluke of Zillion
Zillion Confirmed in the catalog @34648
Aug 4 – Oct 4, 2026 · Salish Sea

Herring Point, Two Boats

Found a quiet drifting boat, rolled an eye, made someone laugh twice.

111 m
Deepest dive
4:15
Longest dive
133
Dives
Sightings
9
Days between first and last sighting
61

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 4, 202661 m14.5°C56 m
Aug 5, 2026117 m14.7°C15 m
Sep 7, 2026125 m15.4°C94 m
Sep 8, 2026103 m15.9°C87 m
Sep 26, 202658 m14.2°C48 m
Sep 27, 202654 m13.9°C49 m
Oct 3, 2026140 m13.7°C111 m
Oct 3, 202640 m13.7°C35 m
Oct 4, 202654 m13.8°C35 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 4, 2026 — seafloor 61 m (measured), deepest dive 56 m (modelled)Aug 4Aug 5, 2026 — seafloor 117 m (measured), deepest dive 15 m (modelled)Aug 5Sep 7, 2026 — seafloor 125 m (measured), deepest dive 94 m (modelled)Sep 7Sep 8, 2026 — seafloor 103 m (measured), deepest dive 87 m (modelled)Sep 8Sep 26, 2026 — seafloor 58 m (measured), deepest dive 48 m (modelled)Sep 26Sep 27, 2026 — seafloor 54 m (measured), deepest dive 49 m (modelled)Sep 27Oct 3, 2026 — seafloor 140 m (measured), deepest dive 111 m (modelled)Oct 3Oct 3, 2026 — seafloor 40 m (measured), deepest dive 35 m (modelled)Oct 3Oct 4, 2026 — seafloor 54 m (measured), deepest dive 35 m (modelled)Oct 4

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

Dives

111 m
Deepest dive
4:15
Longest dive
133
Dives
24 m
Avg dive depth
9
Sightings
61
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150111 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (140 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 · Oct 3, 2026

measured
Seafloor depth
140 m
Sea-surface temperature
13.7°C
Distance from shore
5.0 km

Across the residency · 9 sightings

measured
Seafloor depth
40 m – 140 m
Sea-surface temperature
13.7°C – 15.9°C
Distance from shore
2.0 km – 5.0 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 9 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.