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

HW-MN0441713 – Residency

7th sighting in Au'au Channel
Fluke of HW-MN0441713
HW-MN0441713 Confirmed in the catalog @33160
Feb 9 – 27, 2025 · Au'au Channel

Au'au Channel · Feb 2025

162 m
Deepest dive
6:36
Longest dive
114
Dives
Sightings
6
Days between first and last sighting
19
Deepest dive on record
162 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 9, 202542 m—28 m
Feb 11, 202533 m—27 m
Feb 18, 202542 m—36 m
Feb 27, 202596 m—71 m
Feb 27, 2025199 m—162 m
Feb 27, 202562 m—23 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
Feb 9, 2025 — seafloor 42 m (measured), deepest dive 28 m (modelled)Feb 9Feb 11, 2025 — seafloor 33 m (measured), deepest dive 27 m (modelled)Feb 11Feb 18, 2025 — seafloor 42 m (measured), deepest dive 36 m (modelled)Feb 18Feb 27, 2025 — seafloor 96 m (measured), deepest dive 71 m (modelled)Feb 27Feb 27, 2025 — seafloor 199 m (measured), deepest dive 162 m (modelled)Feb 27Feb 27, 2025 — seafloor 62 m (measured), deepest dive 23 m (modelled)Feb 27

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

Dives

162 m
Deepest dive
6:36
Longest dive
114
Dives
21 m
Avg dive depth
6
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200162 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 27, 2025

measured
Seafloor depth
199 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 6 sightings

measured
Seafloor depth
33 m – 199 m
Sea-surface temperature
—
Distance from shore
2.0 km – 11.0 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.