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

Dolorosa – Residency

10th sighting in Chatham Strait
Fluke of Dolorosa
Dolorosa Confirmed in the catalog @6106
Jun 19 – Aug 22, 2021 · Chatham Strait

Chatham Strait · Jun – Aug 2021

85 m
Deepest dive
4:06
Longest dive
79
Dives
Sightings
6
Days between first and last sighting
64

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 19, 2021140 m—73 m
Jun 20, 202188 m—77 m
Jun 20, 202183 m—70 m
Jul 25, 202193 m—64 m
Jul 29, 202182 m—45 m
Aug 22, 2021111 m—85 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 19, 2021 — seafloor 140 m (measured), deepest dive 73 m (modelled)Jun 19Jun 20, 2021 — seafloor 88 m (measured), deepest dive 77 m (modelled)Jun 20Jun 20, 2021 — seafloor 83 m (measured), deepest dive 70 m (modelled)Jun 20Jul 25, 2021 — seafloor 93 m (measured), deepest dive 64 m (modelled)Jul 25Jul 29, 2021 — seafloor 82 m (measured), deepest dive 45 m (modelled)Jul 29Aug 22, 2021 — seafloor 111 m (measured), deepest dive 85 m (modelled)Aug 22

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

Dives

85 m
Deepest dive
4:06
Longest dive
79
Dives
25 m
Avg dive depth
6
Sightings
64
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010085 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (111 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 22, 2021

measured
Seafloor depth
111 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
82 m – 140 m
Sea-surface temperature
—
Distance from shore
2.0 km – 6.0 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.