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

HW-MN0440808 – Residency

17th sighting in Au'au Channel
Fluke of HW-MN0440808
HW-MN0440808 Confirmed in the catalog @15376
Mar 2 – Apr 2, 2026 · Au'au Channel

Channel Life, Full Season

Reef humming under me, whole crowd around me, and I keep showing up here.

60 m
Deepest dive
2:56
Longest dive
64
Dives
Sightings
6
Days between first and last sighting
31

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 2, 2026143 m24.8°C53 m
Mar 19, 202642 m24.7°C33 m
Mar 27, 202633 m24.4°C19 m
Mar 27, 202662 m24.4°C36 m
Apr 1, 202659 m24.1°C33 m
Apr 2, 202672 m24.1°C60 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
Mar 2, 2026 — seafloor 143 m (measured), deepest dive 53 m (modelled)Mar 2Mar 19, 2026 — seafloor 42 m (measured), deepest dive 33 m (modelled)Mar 19Mar 27, 2026 — seafloor 33 m (measured), deepest dive 19 m (modelled)Mar 27Mar 27, 2026 — seafloor 62 m (measured), deepest dive 36 m (modelled)Mar 27Apr 1, 2026 — seafloor 59 m (measured), deepest dive 33 m (modelled)Apr 1Apr 2, 2026 — seafloor 72 m (measured), deepest dive 60 m (modelled)Apr 2

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

Dives

60 m
Deepest dive
2:56
Longest dive
64
Dives
17 m
Avg dive depth
6
Sightings
31
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010060 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (72 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 · Apr 2, 2026

measured
Seafloor depth
72 m
Sea-surface temperature
24.1°C
Distance from shore
6.0 km

Across the residency · 6 sightings

measured
Seafloor depth
33 m – 143 m
Sea-surface temperature
24.1°C – 24.8°C
Distance from shore
1.0 km – 7.0 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 6 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.