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

Aohololkoa – Residency

11th sighting in Chatham Strait
Fluke of Aohololkoa
Aohololkoa Confirmed in the catalog @5835
Jun 28 – 29, 2023 · Chatham Strait

Chatham Strait · Jun 2023

47 m
Deepest dive
1:58
Longest dive
29
Dives
Sightings
2
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 28, 202334 m—25 m
Jun 29, 202357 m—47 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 28, 2023 — seafloor 34 m (measured), deepest dive 25 m (modelled)Jun 28Jun 29, 2023 — seafloor 57 m (measured), deepest dive 47 m (modelled)Jun 29

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

Dives

47 m
Deepest dive
1:58
Longest dive
29
Dives
16 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (57 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 · Jun 29, 2023

measured
Seafloor depth
57 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 2 sightings

measured
Seafloor depth
34 m – 57 m
Sea-surface temperature
—
Distance from shore
2.0 km – 5.0 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 2 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.