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

HW-MN0440348 – Residency

4th sighting in Au'au Channel
Fluke of HW-MN0440348
HW-MN0440348 Confirmed in the catalog @13755
Mar 11 – 29, 2022 · Au'au Channel

Au'au Channel · Mar 2022

58 m
Deepest dive
3:22
Longest dive
58
Dives
Sightings
4
Days between first and last sighting
18

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 11, 202228 m—24 m
Mar 11, 202265 m—56 m
Mar 13, 202238 m—31 m
Mar 29, 202264 m—58 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
Mar 11, 2022 — seafloor 28 m (measured), deepest dive 24 m (modelled)Mar 11Mar 11, 2022 — seafloor 65 m (measured), deepest dive 56 m (modelled)Mar 11Mar 13, 2022 — seafloor 38 m (measured), deepest dive 31 m (modelled)Mar 13Mar 29, 2022 — seafloor 64 m (measured), deepest dive 58 m (modelled)Mar 29

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

Dives

58 m
Deepest dive
3:22
Longest dive
58
Dives
23 m
Avg dive depth
4
Sightings
18
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (64 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 · Mar 29, 2022

measured
Seafloor depth
64 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
28 m – 65 m
Sea-surface temperature
—
Distance from shore
1.0 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 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.