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

HIHWNMS-2020-12-22_G05A01 – Residency

9th sighting in Au'au Channel
Fluke of HIHWNMS-2020-12-22_G05A01
HIHWNMS-2020-12-22_G05A01 Confirmed in the catalog @54425
Feb 12 – Mar 24, 2024 · Au'au Channel

Au'au Channel · Feb – Mar 2024

35 m
Deepest dive
1:35
Longest dive
30
Dives
Sightings
4
Days between first and last sighting
41

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 12, 202422 m—16 m
Mar 19, 202416 m—12 m
Mar 20, 202438 m—35 m
Mar 24, 2024-8 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 12, 2024 — seafloor 22 m (measured), deepest dive 16 m (modelled)Feb 12Mar 19, 2024 — seafloor 16 m (measured), deepest dive 12 m (modelled)Mar 19Mar 20, 2024 — seafloor 38 m (measured), deepest dive 35 m (modelled)Mar 20Mar 24, 2024 — seafloor -8 m (measured), deepest dive — (modelled)Mar 24

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

Dives

35 m
Deepest dive
1:35
Longest dive
30
Dives
11 m
Avg dive depth
4
Sightings
41
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255035 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (38 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 20, 2024

measured
Seafloor depth
38 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
-8 m – 38 m
Sea-surface temperature
—
Distance from shore
2.0 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.