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

HW-MN0430084 – Residency

8th sighting in Au'au Channel
Fluke of HW-MN0430084
HW-MN0430084 Confirmed in the catalog @90725
Dec 5 – 25, 2022 · Au'au Channel

Au'au Channel · Dec 2022

65 m
Deepest dive
2:36
Longest dive
58
Dives
Sightings
6
Days between first and last sighting
20

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 5, 202245 m—27 m
Dec 5, 202276 m—65 m
Dec 16, 202242 m—33 m
Dec 16, 202278 m—55 m
Dec 16, 202242 m—20 m
Dec 25, 202242 m—38 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 5, 2022 — seafloor 45 m (measured), deepest dive 27 m (modelled)Dec 5Dec 5, 2022 — seafloor 76 m (measured), deepest dive 65 m (modelled)Dec 5Dec 16, 2022 — seafloor 42 m (measured), deepest dive 33 m (modelled)Dec 16Dec 16, 2022 — seafloor 78 m (measured), deepest dive 55 m (modelled)Dec 16Dec 16, 2022 — seafloor 42 m (measured), deepest dive 20 m (modelled)Dec 16Dec 25, 2022 — seafloor 42 m (measured), deepest dive 38 m (modelled)Dec 25

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

Dives

65 m
Deepest dive
2:36
Longest dive
58
Dives
18 m
Avg dive depth
6
Sightings
20
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010065 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 5, 2022

measured
Seafloor depth
76 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
42 m – 78 m
Sea-surface temperature
—
Distance from shore
2.0 km – 6.0 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 6 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.