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

Mantis – Residency

11th sighting in Salish Sea
Fluke of Mantis
Mantis Confirmed in the catalog @12270
Jun 17 – Sep 14, 2026 · Salish Sea

June in the Salish Sea

Cool green water, good company, feeding season doing exactly what it should.

102 m
Deepest dive
3:42
Longest dive
51
Dives
Sightings
4
Days between first and last sighting
89

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 17, 2026170 m14.7°C102 m
Jun 21, 2026246 m14.3°C38 m
Jun 22, 2026248 m15.2°C69 m
Sep 14, 202673 m15.2°C41 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
Jun 17, 2026 — seafloor 170 m (measured), deepest dive 102 m (modelled)Jun 17Jun 21, 2026 — seafloor 246 m (measured), deepest dive 38 m (modelled)Jun 21Jun 22, 2026 — seafloor 248 m (measured), deepest dive 69 m (modelled)Jun 22Sep 14, 2026 — seafloor 73 m (measured), deepest dive 41 m (modelled)Sep 14

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

Dives

102 m
Deepest dive
3:42
Longest dive
51
Dives
23 m
Avg dive depth
4
Sightings
89
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 (170 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 · Jun 17, 2026

measured
Seafloor depth
170 m
Sea-surface temperature
14.7°C
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
73 m – 248 m
Sea-surface temperature
14.3°C – 15.2°C
Distance from shore
1.0 km – 6.0 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 4 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.