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

HW-MN0441943 – Residency

4th sighting in Au'au Channel
Fluke of HW-MN0441943
HW-MN0441943 Confirmed in the catalog @37935
Jan 13 – 20, 2022 · Au'au Channel

Au'au Channel · Jan 2022

38 m
Deepest dive
1:47
Longest dive
43
Dives
Sightings
4
Days between first and last sighting
7

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 13, 202275 m—34 m
Jan 15, 202242 m—33 m
Jan 18, 202242 m—35 m
Jan 20, 202267 m—38 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 13, 2022 — seafloor 75 m (measured), deepest dive 34 m (modelled)Jan 13Jan 15, 2022 — seafloor 42 m (measured), deepest dive 33 m (modelled)Jan 15Jan 18, 2022 — seafloor 42 m (measured), deepest dive 35 m (modelled)Jan 18Jan 20, 2022 — seafloor 67 m (measured), deepest dive 38 m (modelled)Jan 20

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

Dives

38 m
Deepest dive
1:47
Longest dive
43
Dives
19 m
Avg dive depth
4
Sightings
7
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255038 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (67 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 20, 2022

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

Across the residency · 4 sightings

measured
Seafloor depth
42 m – 75 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.