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

Anvil – Residency

30th sighting in Salish Sea
Fluke of Anvil
Anvil Confirmed in the catalog @3775
May 28 – Aug 7, 2023 · Salish Sea

Salish Sea · May – Aug 2023

65 m
Deepest dive
2:48
Longest dive
61
Dives
Sightings
4
Days between first and last sighting
71

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 28, 2023411 m17.3°C55 m
Jul 14, 2023296 m18.3°C46 m
Jul 23, 2023210 m17.7°C65 m
Aug 7, 2023148 m19.6°C45 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 28, 2023 — seafloor 411 m (measured), deepest dive 55 m (modelled)May 28Jul 14, 2023 — seafloor 296 m (measured), deepest dive 46 m (modelled)Jul 14Jul 23, 2023 — seafloor 210 m (measured), deepest dive 65 m (modelled)Jul 23Aug 7, 2023 — seafloor 148 m (measured), deepest dive 45 m (modelled)Aug 7

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

Dives

65 m
Deepest dive
2:48
Longest dive
61
Dives
24 m
Avg dive depth
4
Sightings
71
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010065 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (210 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 · Jul 23, 2023

measured
Seafloor depth
210 m
Sea-surface temperature
17.7°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
148 m – 411 m
Sea-surface temperature
17.3°C – 19.6°C
Distance from shore
2.0 km – 7.0 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.