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

HIHWNMS-2013-1-25_G3_A2 – Residency

5th sighting in Au'au Channel
Fluke of HIHWNMS-2013-1-25_G3_A2
HIHWNMS-2013-1-25_G3_A2 Confirmed in the catalog @37207
Jan 1 – Feb 20, 2023 · Au'au Channel

Au'au Channel · Jan – Feb 2023

58 m
Deepest dive
2:51
Longest dive
32
Dives
Sightings
4
Days between first and last sighting
50

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 1, 202348 m—21 m
Jan 2, 202368 m—34 m
Feb 1, 2023109 m—26 m
Feb 20, 202364 m—58 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 1, 2023 — seafloor 48 m (measured), deepest dive 21 m (modelled)Jan 1Jan 2, 2023 — seafloor 68 m (measured), deepest dive 34 m (modelled)Jan 2Feb 1, 2023 — seafloor 109 m (measured), deepest dive 26 m (modelled)Feb 1Feb 20, 2023 — seafloor 64 m (measured), deepest dive 58 m (modelled)Feb 20

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

Dives

58 m
Deepest dive
2:51
Longest dive
32
Dives
19 m
Avg dive depth
4
Sightings
50
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (64 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 20, 2023

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

Across the residency · 4 sightings

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