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

HIHWNMS-2021-2-5_G04A01 – Residency

5th sighting in Au'au Channel
Fluke of HIHWNMS-2021-2-5_G04A01
HIHWNMS-2021-2-5_G04A01 Confirmed in the catalog @54426
Jan 16 – Feb 4, 2023 · Au'au Channel

Au'au Channel · Jan – Feb 2023

67 m
Deepest dive
3:21
Longest dive
53
Dives
Sightings
4
Days between first and last sighting
19

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 16, 202374 m—67 m
Jan 18, 202355 m—51 m
Jan 30, 202365 m—54 m
Feb 4, 202351 m—46 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 16, 2023 — seafloor 74 m (measured), deepest dive 67 m (modelled)Jan 16Jan 18, 2023 — seafloor 55 m (measured), deepest dive 51 m (modelled)Jan 18Jan 30, 2023 — seafloor 65 m (measured), deepest dive 54 m (modelled)Jan 30Feb 4, 2023 — seafloor 51 m (measured), deepest dive 46 m (modelled)Feb 4

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

Dives

67 m
Deepest dive
3:21
Longest dive
53
Dives
25 m
Avg dive depth
4
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010067 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (74 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 · Jan 16, 2023

measured
Seafloor depth
74 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
51 m – 74 m
Sea-surface temperature
—
Distance from shore
3.0 km – 6.0 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 4 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.