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

HW-MN0441654 – Residency

11th sighting in Au'au Channel
Fluke of HW-MN0441654
HW-MN0441654 Confirmed in the catalog @33089
Jan 2 – 28, 2023 · Au'au Channel

Au'au Channel · Jan 2023

60 m
Deepest dive
2:21
Longest dive
47
Dives
Sightings
4
Days between first and last sighting
26

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 2, 202347 m—38 m
Jan 4, 202385 m—60 m
Jan 9, 202367 m—39 m
Jan 28, 202325 m—23 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 2, 2023 — seafloor 47 m (measured), deepest dive 38 m (modelled)Jan 2Jan 4, 2023 — seafloor 85 m (measured), deepest dive 60 m (modelled)Jan 4Jan 9, 2023 — seafloor 67 m (measured), deepest dive 39 m (modelled)Jan 9Jan 28, 2023 — seafloor 25 m (measured), deepest dive 23 m (modelled)Jan 28

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

Dives

60 m
Deepest dive
2:21
Longest dive
47
Dives
17 m
Avg dive depth
4
Sightings
26
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010060 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (85 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 4, 2023

measured
Seafloor depth
85 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
25 m – 85 m
Sea-surface temperature
—
Distance from shore
2.0 km – 5.0 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 4 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.