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

HW-MN0310032 – Residency

4th sighting in Au'au Channel
Fluke of HW-MN0310032
HW-MN0310032 Confirmed in the catalog @47567
Mar 16 – Apr 1, 2024 · Au'au Channel

Au'au Channel · Mar – Apr 2024

55 m
Deepest dive
1:56
Longest dive
30
Dives
Sightings
4
Days between first and last sighting
16
Deepest dive on record
55 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 16, 202452 m—47 m
Mar 27, 202462 m—55 m
Apr 1, 202462 m—20 m
Apr 1, 202416 m—15 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 16, 2024 — seafloor 52 m (measured), deepest dive 47 m (modelled)Mar 16Mar 27, 2024 — seafloor 62 m (measured), deepest dive 55 m (modelled)Mar 27Apr 1, 2024 — seafloor 62 m (measured), deepest dive 20 m (modelled)Apr 1Apr 1, 2024 — seafloor 16 m (measured), deepest dive 15 m (modelled)Apr 1

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

Dives

55 m
Deepest dive
1:56
Longest dive
30
Dives
16 m
Avg dive depth
4
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010055 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (62 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 27, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 62 m
Sea-surface temperature
—
Distance from shore
3.0 km – 4.0 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.