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

HI19-0127 – Residency

5th sighting in Au'au Channel
Fluke of HI19-0127
HI19-0127 Confirmed in the catalog @33409
Feb 1 – 13, 2026 · Au'au Channel

Au'au Channel · Feb 2026

86 m
Deepest dive
3:33
Longest dive
25
Dives
Sightings
3
Days between first and last sighting
12
Deepest dive on record
86 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 1, 202642 m25.6°C32 m
Feb 13, 202649 m25.1°C33 m
Feb 13, 2026183 m25.2°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
Feb 1, 2026 — seafloor 42 m (measured), deepest dive 32 m (modelled)Feb 1Feb 13, 2026 — seafloor 49 m (measured), deepest dive 33 m (modelled)Feb 13Feb 13, 2026 — seafloor 183 m (measured), deepest dive 86 m (modelled)Feb 13

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

Dives

86 m
Deepest dive
3:33
Longest dive
25
Dives
22 m
Avg dive depth
3
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (183 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 · Feb 13, 2026

measured
Seafloor depth
183 m
Sea-surface temperature
25.2°C
Distance from shore
12.0 km

Across the residency · 3 sightings

measured
Seafloor depth
42 m – 183 m
Sea-surface temperature
25.1°C – 25.6°C
Distance from shore
2.0 km – 12.0 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.