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

HW-MN0441116 – Residency

11th sighting in Au'au Channel
Fluke of HW-MN0441116
HW-MN0441116 Confirmed in the catalog @22707
Dec 27, 2024 – Feb 23, 2025 · Au'au Channel

Au'au Channel · Dec 2024 – Feb 2025

58 m
Deepest dive
2:44
Longest dive
94
Dives
Sightings
6
Days between first and last sighting
58

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 27, 202439 m—36 m
Dec 31, 202481 m—58 m
Jan 17, 202552 m—43 m
Jan 26, 202534 m—17 m
Feb 11, 202516 m—15 m
Feb 23, 202524 m—22 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 27, 2024 — seafloor 39 m (measured), deepest dive 36 m (modelled)Dec 27Dec 31, 2024 — seafloor 81 m (measured), deepest dive 58 m (modelled)Dec 31Jan 17, 2025 — seafloor 52 m (measured), deepest dive 43 m (modelled)Jan 17Jan 26, 2025 — seafloor 34 m (measured), deepest dive 17 m (modelled)Jan 26Feb 11, 2025 — seafloor 16 m (measured), deepest dive 15 m (modelled)Feb 11Feb 23, 2025 — seafloor 24 m (measured), deepest dive 22 m (modelled)Feb 23

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

Dives

58 m
Deepest dive
2:44
Longest dive
94
Dives
16 m
Avg dive depth
6
Sightings
58
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (81 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 31, 2024

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

Across the residency · 6 sightings

measured
Seafloor depth
16 m – 81 m
Sea-surface temperature
—
Distance from shore
2.0 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 6 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.