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

Fallen Knight – Residency

5th sighting in Salish Sea
Fluke of Fallen Knight
Fallen Knight Confirmed in the catalog @6518
Sep 23 – Oct 1, 2017 · Salish Sea

Salish Sea · Sep – Oct 2017

144 m
Deepest dive
5:23
Longest dive
62
Dives
Sightings
4
Days between first and last sighting
8
Deepest dive on record
144 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 23, 2017160 m—144 m
Sep 24, 2017104 m—64 m
Sep 28, 2017119 m—60 m
Oct 1, 2017171 m—80 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 23, 2017 — seafloor 160 m (measured), deepest dive 144 m (modelled)Sep 23Sep 24, 2017 — seafloor 104 m (measured), deepest dive 64 m (modelled)Sep 24Sep 28, 2017 — seafloor 119 m (measured), deepest dive 60 m (modelled)Sep 28Oct 1, 2017 — seafloor 171 m (measured), deepest dive 80 m (modelled)Oct 1

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

Dives

144 m
Deepest dive
5:23
Longest dive
62
Dives
27 m
Avg dive depth
4
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150144 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (160 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 · Sep 23, 2017

measured
Seafloor depth
160 m
Sea-surface temperature
—
Distance from shore
10.0 km

Across the residency · 4 sightings

measured
Seafloor depth
104 m – 171 m
Sea-surface temperature
—
Distance from shore
3.0 km – 10.0 km

Sources: GEBCO seafloor grid · 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.