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

Ghost – Residency

26th sighting in Salish Sea
Fluke of Ghost
Ghost Confirmed in the catalog @6553
Sep 22 – Nov 23, 2021 · Salish Sea

Salish Sea · Sep – Nov 2021

121 m
Deepest dive
4:57
Longest dive
26
Dives
Sightings
4
Days between first and last sighting
62

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 22, 202191 m10.6°C27 m
Oct 5, 2021268 m11.2°C32 m
Oct 5, 202187 m12.0°C28 m
Nov 23, 2021153 m9.8°C121 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
Sep 22, 2021 — seafloor 91 m (measured), deepest dive 27 m (modelled)Sep 22Oct 5, 2021 — seafloor 268 m (measured), deepest dive 32 m (modelled)Oct 5Oct 5, 2021 — seafloor 87 m (measured), deepest dive 28 m (modelled)Oct 5Nov 23, 2021 — seafloor 153 m (measured), deepest dive 121 m (modelled)Nov 23

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

Dives

121 m
Deepest dive
4:57
Longest dive
26
Dives
27 m
Avg dive depth
4
Sightings
62
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150121 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (153 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 · Nov 23, 2021

measured
Seafloor depth
153 m
Sea-surface temperature
9.8°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
87 m – 268 m
Sea-surface temperature
9.8°C – 12.0°C
Distance from shore
1.0 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 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.