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

HW-MN0442821 – Residency

6th sighting in Au'au Channel
Fluke of HW-MN0442821
HW-MN0442821 Confirmed in the catalog @55326
Jan 30 – Feb 26, 2023 · Au'au Channel

Au'au Channel · Jan – Feb 2023

129 m
Deepest dive
6:13
Longest dive
59
Dives
Sightings
5
Days between first and last sighting
28
Deepest dive on record
129 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 30, 202388 m—53 m
Jan 30, 2023176 m—129 m
Feb 26, 202369 m—59 m
Feb 26, 202392 m—81 m
Feb 26, 202316 m—7 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 30, 2023 — seafloor 88 m (measured), deepest dive 53 m (modelled)Jan 30Jan 30, 2023 — seafloor 176 m (measured), deepest dive 129 m (modelled)Jan 30Feb 26, 2023 — seafloor 69 m (measured), deepest dive 59 m (modelled)Feb 26Feb 26, 2023 — seafloor 92 m (measured), deepest dive 81 m (modelled)Feb 26Feb 26, 2023 — seafloor 16 m (measured), deepest dive 7 m (modelled)Feb 26

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

Dives

129 m
Deepest dive
6:13
Longest dive
59
Dives
22 m
Avg dive depth
5
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150129 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (176 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 30, 2023

measured
Seafloor depth
176 m
Sea-surface temperature
—
Distance from shore
10.0 km

Across the residency · 5 sightings

measured
Seafloor depth
16 m – 176 m
Sea-surface temperature
—
Distance from shore
2.0 km – 10.0 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 5 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.