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

HIHWNMS-2020-3-15_G03A01 – Residency

10th sighting in Au'au Channel
Fluke of HIHWNMS-2020-3-15_G03A01
HIHWNMS-2020-3-15_G03A01 Confirmed in the catalog @40152
Feb 2 – 5, 2025 · Au'au Channel

Au'au Channel · Feb 2025

66 m
Deepest dive
2:32
Longest dive
24
Dives
Sightings
3
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 2, 202522 m—18 m
Feb 5, 2025109 m—66 m
Feb 5, 202584 m—32 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 2, 2025 — seafloor 22 m (measured), deepest dive 18 m (modelled)Feb 2Feb 5, 2025 — seafloor 109 m (measured), deepest dive 66 m (modelled)Feb 5Feb 5, 2025 — seafloor 84 m (measured), deepest dive 32 m (modelled)Feb 5

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

Dives

66 m
Deepest dive
2:32
Longest dive
24
Dives
18 m
Avg dive depth
3
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (109 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 5, 2025

measured
Seafloor depth
109 m
Sea-surface temperature
—
Distance from shore
8.0 km

Across the residency · 3 sightings

measured
Seafloor depth
22 m – 109 m
Sea-surface temperature
—
Distance from shore
2.0 km – 8.0 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.