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

HW-MN0440262 – Residency

11th sighting in Au'au Channel
Fluke of HW-MN0440262
HW-MN0440262 Confirmed in the catalog @13126
Jan 8 – Feb 13, 2026 · Au'au Channel

Au'au Channel · Jan – Feb 2026

44 m
Deepest dive
2:15
Longest dive
48
Dives
Sightings
3
Days between first and last sighting
36

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 8, 202652 m25.5°C44 m
Jan 18, 202664 m25.2°C41 m
Feb 13, 202642 m25.1°C32 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 8, 2026 — seafloor 52 m (measured), deepest dive 44 m (modelled)Jan 8Jan 18, 2026 — seafloor 64 m (measured), deepest dive 41 m (modelled)Jan 18Feb 13, 2026 — seafloor 42 m (measured), deepest dive 32 m (modelled)Feb 13

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

Dives

44 m
Deepest dive
2:15
Longest dive
48
Dives
17 m
Avg dive depth
3
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255044 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (52 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 8, 2026

measured
Seafloor depth
52 m
Sea-surface temperature
25.5°C
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
42 m – 64 m
Sea-surface temperature
25.1°C – 25.5°C
Distance from shore
2.0 km – 4.0 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 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.