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

HW-MN0443261 – Residency

3rd sighting in Au'au Channel
Fluke of HW-MN0443261
HW-MN0443261 Confirmed in the catalog @60352
Jan 31 – Feb 23, 2023 · Au'au Channel

Au'au Channel · Jan – Feb 2023

68 m
Deepest dive
2:44
Longest dive
23
Dives
Sightings
3
Days between first and last sighting
23

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 31, 202342 m—28 m
Feb 1, 202340 m—31 m
Feb 23, 202378 m—68 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 31, 2023 — seafloor 42 m (measured), deepest dive 28 m (modelled)Jan 31Feb 1, 2023 — seafloor 40 m (measured), deepest dive 31 m (modelled)Feb 1Feb 23, 2023 — seafloor 78 m (measured), deepest dive 68 m (modelled)Feb 23

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

Dives

68 m
Deepest dive
2:44
Longest dive
23
Dives
17 m
Avg dive depth
3
Sightings
23
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010068 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (78 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 23, 2023

measured
Seafloor depth
78 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
40 m – 78 m
Sea-surface temperature
—
Distance from shore
1.0 km – 7.0 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.