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

SEAK-2391 – Residency

11th sighting in Chatham Strait
Fluke of SEAK-2391
SEAK-2391 Confirmed in the catalog @18285
Jul 24, 2020 · Chatham Strait

Chatham Strait · Jul 2020

86 m
Deepest dive
3:18
Longest dive
52
Dives
Sightings
4
Days between first and last sighting
Same day

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 202094 m12.5°C25 m
Jul 24, 202094 m12.5°C86 m
Jul 24, 202094 m12.5°C54 m
Jul 24, 202094 m12.5°C61 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
Jul 24, 2020 — seafloor 94 m (measured), deepest dive 25 m (modelled)Jul 24Jul 24, 2020 — seafloor 94 m (measured), deepest dive 86 m (modelled)Jul 24Jul 24, 2020 — seafloor 94 m (measured), deepest dive 54 m (modelled)Jul 24Jul 24, 2020 — seafloor 94 m (measured), deepest dive 61 m (modelled)Jul 24

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

Dives

86 m
Deepest dive
3:18
Longest dive
52
Dives
23 m
Avg dive depth
4
Sightings
Same day
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (94 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 24, 2020

measured
Seafloor depth
94 m
Sea-surface temperature
12.5°C
Distance from shore
1.0 km

Across the residency · 4 sightings

measured
Seafloor depth
94 m
Sea-surface temperature
12.5°C
Distance from shore
1.0 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.