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

CRC-15866 – Residency

3rd sighting in Au'au Channel
Fluke of CRC-15866
CRC-15866 Confirmed in the catalog @1049
Mar 7, 2026 · Au'au Channel

Au'au Channel · Mar 2026

174 m
Deepest dive
5:28
Longest dive
33
Dives
Sightings
2
Days between first and last sighting
Same day
Deepest dive on record
174 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 7, 20261,139 m24.9°C174 m
Mar 7, 202632 m24.7°C27 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
Mar 7, 2026 — seafloor 1,139 m (measured), deepest dive 174 m (modelled)Mar 7Mar 7, 2026 — seafloor 32 m (measured), deepest dive 27 m (modelled)Mar 7

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

Dives

174 m
Deepest dive
5:28
Longest dive
33
Dives
21 m
Avg dive depth
2
Sightings
Same day
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200174 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,139 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.

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Place

Where this happened · Mar 7, 2026

measured
Seafloor depth
1,139 m
Sea-surface temperature
24.9°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
32 m – 1,139 m
Sea-surface temperature
24.7°C – 24.9°C
Distance from shore
2.0 km – 5.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · 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).

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