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

HW-MN0440366 – Residency

20th sighting in Au'au Channel
Fluke of HW-MN0440366
HW-MN0440366 Confirmed in the catalog @13774
Jan 29 – Mar 7, 2026 · Au'au Channel

Au'au Channel · Jan – Mar 2026

41 m
Deepest dive
1:49
Longest dive
75
Dives
Sightings
8
Days between first and last sighting
37

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 29, 202646 m25.8°C41 m
Feb 26, 2026199 m24.6°C40 m
Feb 26, 202642 m24.5°C37 m
Feb 26, 202634 m24.5°C26 m
Mar 3, 2026199 m24.9°C19 m
Mar 4, 202616 m24.4°C14 m
Mar 7, 20261,139 m24.9°C37 m
Mar 7, 202647 m24.7°C36 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
Jan 29, 2026 — seafloor 46 m (measured), deepest dive 41 m (modelled)Jan 29Feb 26, 2026 — seafloor 199 m (measured), deepest dive 40 m (modelled)Feb 26Feb 26, 2026 — seafloor 42 m (measured), deepest dive 37 m (modelled)Feb 26Feb 26, 2026 — seafloor 34 m (measured), deepest dive 26 m (modelled)Feb 26Mar 3, 2026 — seafloor 199 m (measured), deepest dive 19 m (modelled)Mar 3Mar 4, 2026 — seafloor 16 m (measured), deepest dive 14 m (modelled)Mar 4Mar 7, 2026 — seafloor 1,139 m (measured), deepest dive 37 m (modelled)Mar 7Mar 7, 2026 — seafloor 47 m (measured), deepest dive 36 m (modelled)Mar 7

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

Dives

41 m
Deepest dive
1:49
Longest dive
75
Dives
16 m
Avg dive depth
8
Sightings
37
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255041 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (46 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 · Jan 29, 2026

measured
Seafloor depth
46 m
Sea-surface temperature
25.8°C
Distance from shore
2.0 km

Across the residency · 8 sightings

measured
Seafloor depth
16 m – 1,139 m
Sea-surface temperature
24.4°C – 25.8°C
Distance from shore
1.0 km – 11.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 8 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.