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

HW-MN0440491 – Residency

4th sighting in Au'au Channel
Fluke of HW-MN0440491
HW-MN0440491 Confirmed in the catalog @14704
Jan 27 – Mar 15, 2024 · Au'au Channel

Au'au Channel · Jan – Mar 2024

65 m
Deepest dive
3:04
Longest dive
38
Dives
Sightings
3
Days between first and last sighting
48

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 27, 202467 m—60 m
Feb 13, 202471 m—65 m
Mar 15, 202418 m—14 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 27, 2024 — seafloor 67 m (measured), deepest dive 60 m (modelled)Jan 27Feb 13, 2024 — seafloor 71 m (measured), deepest dive 65 m (modelled)Feb 13Mar 15, 2024 — seafloor 18 m (measured), deepest dive 14 m (modelled)Mar 15

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

Dives

65 m
Deepest dive
3:04
Longest dive
38
Dives
19 m
Avg dive depth
3
Sightings
48
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010065 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (71 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 · Feb 13, 2024

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

Across the residency · 3 sightings

measured
Seafloor depth
18 m – 71 m
Sea-surface temperature
—
Distance from shore
1.0 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 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.