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

Kalohe – Residency

3rd sighting in Chatham Strait
Fluke of Kalohe
Kalohe Confirmed in the catalog @26672
Aug 21 – Oct 10, 2021 · Chatham Strait

Chatham Strait · Aug – Oct 2021

114 m
Deepest dive
4:23
Longest dive
32
Dives
Sightings
3
Days between first and last sighting
50

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 21, 2021121 m—101 m
Sep 1, 2021193 m—114 m
Oct 10, 202165 m—55 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 21, 2021 — seafloor 121 m (measured), deepest dive 101 m (modelled)Aug 21Sep 1, 2021 — seafloor 193 m (measured), deepest dive 114 m (modelled)Sep 1Oct 10, 2021 — seafloor 65 m (measured), deepest dive 55 m (modelled)Oct 10

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

Dives

114 m
Deepest dive
4:23
Longest dive
32
Dives
37 m
Avg dive depth
3
Sightings
50
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150114 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (193 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 1, 2021

measured
Seafloor depth
193 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
65 m – 193 m
Sea-surface temperature
—
Distance from shore
1.0 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.