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

HW-MN0442994 – Residency

4th sighting in Au'au Channel
Fluke of HW-MN0442994
HW-MN0442994 Confirmed in the catalog @58721
Dec 3 – 6, 2022 · Au'au Channel

Au'au Channel · Dec 2022

193 m
Deepest dive
7:50
Longest dive
21
Dives
Sightings
2
Days between first and last sighting
3
Deepest dive on record
193 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 3, 2022233 m—193 m
Dec 6, 202293 m—32 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
Dec 3, 2022 — seafloor 233 m (measured), deepest dive 193 m (modelled)Dec 3Dec 6, 2022 — seafloor 93 m (measured), deepest dive 32 m (modelled)Dec 6

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

Dives

193 m
Deepest dive
7:50
Longest dive
21
Dives
29 m
Avg dive depth
2
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200193 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (233 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 · Dec 3, 2022

measured
Seafloor depth
233 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 2 sightings

measured
Seafloor depth
93 m – 233 m
Sea-surface temperature
—
Distance from shore
6.0 km – 8.0 km

Sources: GEBCO seafloor grid · 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.