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

HW-MN0441082 – Residency

8th sighting in Au'au Channel
Fluke of HW-MN0441082
HW-MN0441082 Confirmed in the catalog @22643
Dec 22, 2024 – Mar 24, 2025 · Au'au Channel

Au'au Channel · Dec 2024 – Mar 2025

83 m
Deepest dive
3:51
Longest dive
56
Dives
Sightings
4
Days between first and last sighting
92
Deepest dive on record
83 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 22, 202496 m—48 m
Feb 13, 202595 m—83 m
Mar 21, 202561 m—55 m
Mar 24, 202574 m—64 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
Dec 22, 2024 — seafloor 96 m (measured), deepest dive 48 m (modelled)Dec 22Feb 13, 2025 — seafloor 95 m (measured), deepest dive 83 m (modelled)Feb 13Mar 21, 2025 — seafloor 61 m (measured), deepest dive 55 m (modelled)Mar 21Mar 24, 2025 — seafloor 74 m (measured), deepest dive 64 m (modelled)Mar 24

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

Dives

83 m
Deepest dive
3:51
Longest dive
56
Dives
26 m
Avg dive depth
4
Sightings
92
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010083 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (95 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 13, 2025

measured
Seafloor depth
95 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
61 m – 96 m
Sea-surface temperature
—
Distance from shore
3.0 km – 6.0 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.