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

HW-MN0440084 – Residency

3rd sighting in Au'au Channel
Fluke of HW-MN0440084
HW-MN0440084 Confirmed in the catalog @12816
Dec 30, 2022 – Mar 23, 2023 · Au'au Channel

Au'au Channel · Dec 2022 – Mar 2023

109 m
Deepest dive
2:41
Longest dive
33
Dives
Sightings
3
Days between first and last sighting
83
Deepest dive on record
109 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 2022277 m—109 m
Jan 11, 202342 m—31 m
Mar 23, 202344 m—36 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 30, 2022 — seafloor 277 m (measured), deepest dive 109 m (modelled)Dec 30Jan 11, 2023 — seafloor 42 m (measured), deepest dive 31 m (modelled)Jan 11Mar 23, 2023 — seafloor 44 m (measured), deepest dive 36 m (modelled)Mar 23

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

Dives

109 m
Deepest dive
2:41
Longest dive
33
Dives
19 m
Avg dive depth
3
Sightings
83
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150109 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (277 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 30, 2022

measured
Seafloor depth
277 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 3 sightings

measured
Seafloor depth
42 m – 277 m
Sea-surface temperature
—
Distance from shore
2.0 km – 13.0 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 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.