Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Au'au Channel

HW-MN0440807 – Residency

9th sighting in Au'au Channel
Fluke of HW-MN0440807
HW-MN0440807 Confirmed in the catalog @15370
Feb 1 – 23, 2024 · Au'au Channel

Au'au Channel · Feb 2024

28 m
Deepest dive
1:40
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
22

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 1, 202417 m—14 m
Feb 8, 202422 m—19 m
Feb 19, 202422 m—19 m
Feb 23, 202432 m—28 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
Feb 1, 2024 — seafloor 17 m (measured), deepest dive 14 m (modelled)Feb 1Feb 8, 2024 — seafloor 22 m (measured), deepest dive 19 m (modelled)Feb 8Feb 19, 2024 — seafloor 22 m (measured), deepest dive 19 m (modelled)Feb 19Feb 23, 2024 — seafloor 32 m (measured), deepest dive 28 m (modelled)Feb 23

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

Dives

28 m
Deepest dive
1:40
Longest dive
38
Dives
12 m
Avg dive depth
4
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255028 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (32 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 · Feb 23, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
17 m – 32 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 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.