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

HW-MN0441743 – Residency

5th sighting in Au'au Channel
Fluke of HW-MN0441743
HW-MN0441743 Confirmed in the catalog @35570
Apr 8 – May 9, 2024 · Au'au Channel

Au'au Channel · Apr – May 2024

109 m
Deepest dive
3:54
Longest dive
39
Dives
Sightings
4
Days between first and last sighting
31
Deepest dive on record
109 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Apr 8, 2024128 m—109 m
Apr 18, 202443 m—32 m
Apr 18, 202433 m—29 m
May 9, 202499 m—73 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
Apr 8, 2024 — seafloor 128 m (measured), deepest dive 109 m (modelled)Apr 8Apr 18, 2024 — seafloor 43 m (measured), deepest dive 32 m (modelled)Apr 18Apr 18, 2024 — seafloor 33 m (measured), deepest dive 29 m (modelled)Apr 18May 9, 2024 — seafloor 99 m (measured), deepest dive 73 m (modelled)May 9

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

Dives

109 m
Deepest dive
3:54
Longest dive
39
Dives
22 m
Avg dive depth
4
Sightings
31
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150109 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (128 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.

Unlock with Risa Deep

Place

Where this happened · Apr 8, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
33 m – 128 m
Sea-surface temperature
—
Distance from shore
1.0 km – 4.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.