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

HI08-0020 – Residency

5th sighting in Au'au Channel
Fluke of HI08-0020
HI08-0020 Confirmed in the catalog @41317
Jan 26 – 27, 2026 · Au'au Channel

Au'au Channel · Jan 2026

86 m
Deepest dive
3:32
Longest dive
10
Dives
Sightings
2
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 26, 202676 m25.6°C27 m
Jan 27, 20261,139 m25.6°C86 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 26, 2026 — seafloor 76 m (measured), deepest dive 27 m (modelled)Jan 26Jan 27, 2026 — seafloor 1,139 m (measured), deepest dive 86 m (modelled)Jan 27

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

Dives

86 m
Deepest dive
3:32
Longest dive
10
Dives
25 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,139 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 27, 2026

measured
Seafloor depth
1,139 m
Sea-surface temperature
25.6°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
76 m – 1,139 m
Sea-surface temperature
25.6°C – 25.6°C
Distance from shore
5.0 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 2 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.