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

HW-MN0440539 – Residency

3rd sighting in Au'au Channel
Fluke of HW-MN0440539
HW-MN0440539 Confirmed in the catalog @14742
Mar 1 – 10, 2020 · Au'au Channel

Au'au Channel · Mar 2020

32 m
Deepest dive
1:24
Longest dive
14
Dives
Sightings
2
Days between first and last sighting
10

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 1, 20205 m—3 m
Mar 10, 202037 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
Mar 1, 2020 — seafloor 5 m (measured), deepest dive 3 m (modelled)Mar 1Mar 10, 2020 — seafloor 37 m (measured), deepest dive 32 m (modelled)Mar 10

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

Dives

32 m
Deepest dive
1:24
Longest dive
14
Dives
10 m
Avg dive depth
2
Sightings
10
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255032 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (37 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 · Mar 10, 2020

measured
Seafloor depth
37 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 2 sightings

measured
Seafloor depth
5 m – 37 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 2 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.