Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

ThreebyThree – Residency

8th sighting in Chatham Strait
Fluke of ThreebyThree
ThreebyThree Confirmed in the catalog @37063
Aug 5 – Sep 12, 2021 · Chatham Strait

Chatham Strait · Aug – Sep 2021

114 m
Deepest dive
3:50
Longest dive
60
Dives
Sightings
6
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 5, 2021138 m—114 m
Aug 5, 202188 m—49 m
Aug 14, 2021126 m—92 m
Aug 14, 2021127 m—78 m
Aug 26, 2021356 m—83 m
Sep 12, 202140 m—24 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 5, 2021 — seafloor 138 m (measured), deepest dive 114 m (modelled)Aug 5Aug 5, 2021 — seafloor 88 m (measured), deepest dive 49 m (modelled)Aug 5Aug 14, 2021 — seafloor 126 m (measured), deepest dive 92 m (modelled)Aug 14Aug 14, 2021 — seafloor 127 m (measured), deepest dive 78 m (modelled)Aug 14Aug 26, 2021 — seafloor 356 m (measured), deepest dive 83 m (modelled)Aug 26Sep 12, 2021 — seafloor 40 m (measured), deepest dive 24 m (modelled)Sep 12

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

Dives

114 m
Deepest dive
3:50
Longest dive
60
Dives
26 m
Avg dive depth
6
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150114 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (138 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 · Aug 5, 2021

measured
Seafloor depth
138 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 6 sightings

measured
Seafloor depth
40 m – 356 m
Sea-surface temperature
—
Distance from shore
2.0 km – 8.0 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 6 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.