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

HI21_0006 – Residency

4th sighting in Au'au Channel
Fluke of HI21_0006
HI21_0006 Confirmed in the catalog @69781
Jan 10 – 18, 2026 · Au'au Channel

Au'au Channel · Jan 2026

71 m
Deepest dive
2:48
Longest dive
68
Dives
Sightings
4
Days between first and last sighting
8
Deepest dive on record
71 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 10, 202681 m25.8°C71 m
Jan 18, 202646 m25.5°C38 m
Jan 18, 202640 m25.3°C33 m
Jan 18, 202616 m25.3°C14 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 10, 2026 — seafloor 81 m (measured), deepest dive 71 m (modelled)Jan 10Jan 18, 2026 — seafloor 46 m (measured), deepest dive 38 m (modelled)Jan 18Jan 18, 2026 — seafloor 40 m (measured), deepest dive 33 m (modelled)Jan 18Jan 18, 2026 — seafloor 16 m (measured), deepest dive 14 m (modelled)Jan 18

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

Dives

71 m
Deepest dive
2:48
Longest dive
68
Dives
17 m
Avg dive depth
4
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010071 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (81 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 10, 2026

measured
Seafloor depth
81 m
Sea-surface temperature
25.8°C
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 81 m
Sea-surface temperature
25.3°C – 25.8°C
Distance from shore
3.0 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 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.