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

HI19-0053 – Residency

4th sighting in Au'au Channel
Fluke of HI19-0053
HI19-0053 Confirmed in the catalog @33353
Jan 23 – Mar 12, 2024 · Au'au Channel

Au'au Channel · Jan – Mar 2024

71 m
Deepest dive
2:57
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
49

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jan 23, 202447 m—43 m
Mar 12, 2024101 m—71 m
Mar 12, 202447 m—26 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 23, 2024 — seafloor 47 m (measured), deepest dive 43 m (modelled)Jan 23Mar 12, 2024 — seafloor 101 m (measured), deepest dive 71 m (modelled)Mar 12Mar 12, 2024 — seafloor 47 m (measured), deepest dive 26 m (modelled)Mar 12

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

Dives

71 m
Deepest dive
2:57
Longest dive
35
Dives
20 m
Avg dive depth
3
Sightings
49
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010071 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (101 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 12, 2024

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

Across the residency · 3 sightings

measured
Seafloor depth
47 m – 101 m
Sea-surface temperature
—
Distance from shore
1.0 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 3 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.