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

Imiikekumu – Residency

12th sighting in Chatham Strait
Fluke of Imiikekumu
Imiikekumu Confirmed in the catalog @6107
Aug 2 – Sep 5, 2021 · Chatham Strait

Chatham Strait · Aug – Sep 2021

64 m
Deepest dive
2:56
Longest dive
40
Dives
Sightings
3
Days between first and last sighting
34

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 2, 202178 m—64 m
Aug 16, 202132 m—19 m
Sep 5, 202160 m—50 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 2, 2021 — seafloor 78 m (measured), deepest dive 64 m (modelled)Aug 2Aug 16, 2021 — seafloor 32 m (measured), deepest dive 19 m (modelled)Aug 16Sep 5, 2021 — seafloor 60 m (measured), deepest dive 50 m (modelled)Sep 5

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

Dives

64 m
Deepest dive
2:56
Longest dive
40
Dives
18 m
Avg dive depth
3
Sightings
34
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010064 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (78 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 2, 2021

measured
Seafloor depth
78 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 3 sightings

measured
Seafloor depth
32 m – 78 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 3 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.