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

HW-MN0442869 – Residency

5th sighting in Au'au Channel
Fluke of HW-MN0442869
HW-MN0442869 Confirmed in the catalog @58592
Dec 29, 2022 – Feb 5, 2023 · Au'au Channel

Au'au Channel · Dec 2022 – Feb 2023

53 m
Deepest dive
2:12
Longest dive
50
Dives
Sightings
5
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Dec 29, 202246 m—41 m
Jan 8, 202358 m—43 m
Jan 8, 202368 m—53 m
Jan 13, 202340 m—35 m
Feb 5, 202396 m—49 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
Dec 29, 2022 — seafloor 46 m (measured), deepest dive 41 m (modelled)Dec 29Jan 8, 2023 — seafloor 58 m (measured), deepest dive 43 m (modelled)Jan 8Jan 8, 2023 — seafloor 68 m (measured), deepest dive 53 m (modelled)Jan 8Jan 13, 2023 — seafloor 40 m (measured), deepest dive 35 m (modelled)Jan 13Feb 5, 2023 — seafloor 96 m (measured), deepest dive 49 m (modelled)Feb 5

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

Dives

53 m
Deepest dive
2:12
Longest dive
50
Dives
22 m
Avg dive depth
5
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (68 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 · Jan 8, 2023

measured
Seafloor depth
68 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 5 sightings

measured
Seafloor depth
40 m – 96 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 5 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.