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

HW-MN0442990 – Residency

3rd sighting in Au'au Channel
Fluke of HW-MN0442990
HW-MN0442990 Confirmed in the catalog @58717
Jan 31 – Mar 9, 2020 · Au'au Channel

Au'au Channel · Jan – Mar 2020

45 m
Deepest dive
1:49
Longest dive
36
Dives
Sightings
4
Days between first and last sighting
38
Deepest dive on record
45 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 31, 20207 m—5 m
Jan 31, 20208 m—7 m
Feb 22, 202062 m—45 m
Mar 9, 202023 m—18 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 31, 2020 — seafloor 7 m (measured), deepest dive 5 m (modelled)Jan 31Jan 31, 2020 — seafloor 8 m (measured), deepest dive 7 m (modelled)Jan 31Feb 22, 2020 — seafloor 62 m (measured), deepest dive 45 m (modelled)Feb 22Mar 9, 2020 — seafloor 23 m (measured), deepest dive 18 m (modelled)Mar 9

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

Dives

45 m
Deepest dive
1:49
Longest dive
36
Dives
12 m
Avg dive depth
4
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255045 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (62 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 22, 2020

measured
Seafloor depth
62 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 4 sightings

measured
Seafloor depth
7 m – 62 m
Sea-surface temperature
—
Distance from shore
2.0 km – 5.0 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.