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

HW-MN0442821 – Residency

8th sighting in Au'au Channel
Fluke of HW-MN0442821
HW-MN0442821 Confirmed in the catalog @55326
Feb 23 – Mar 10, 2024 · Au'au Channel

Au'au Channel · Feb – Mar 2024

42 m
Deepest dive
1:49
Longest dive
19
Dives
Sightings
2
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 23, 202431 m—17 m
Mar 10, 202452 m—42 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
Feb 23, 2024 — seafloor 31 m (measured), deepest dive 17 m (modelled)Feb 23Mar 10, 2024 — seafloor 52 m (measured), deepest dive 42 m (modelled)Mar 10

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

Dives

42 m
Deepest dive
1:49
Longest dive
19
Dives
14 m
Avg dive depth
2
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255042 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (52 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 · Mar 10, 2024

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

Across the residency · 2 sightings

measured
Seafloor depth
31 m – 52 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 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).

Happywhale runs on donations: support Happywhale →

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