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

BREE-583 – Residency

10th sighting in Au'au Channel
Fluke of BREE-583
BREE-583 Confirmed in the catalog @17419
Jan 2 – Mar 1, 2026 · Au'au Channel

Au'au Channel · Jan – Mar 2026

91 m
Deepest dive
3:32
Longest dive
106
Dives
Sightings
9
Days between first and last sighting
58
Deepest dive on record
91 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jan 2, 202656 m25.5°C48 m
Jan 2, 202677 m25.5°C67 m
Jan 8, 202644 m25.5°C36 m
Jan 23, 2026199 m25.3°C91 m
Feb 18, 202678 m24.8°C63 m
Feb 20, 202647 m24.6°C34 m
Feb 20, 202642 m24.6°C34 m
Mar 1, 202622 m24.3°C20 m
Mar 1, 202646 m24.5°C39 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 2, 2026 — seafloor 56 m (measured), deepest dive 48 m (modelled)Jan 2Jan 2, 2026 — seafloor 77 m (measured), deepest dive 67 m (modelled)Jan 2Jan 8, 2026 — seafloor 44 m (measured), deepest dive 36 m (modelled)Jan 8Jan 23, 2026 — seafloor 199 m (measured), deepest dive 91 m (modelled)Jan 23Feb 18, 2026 — seafloor 78 m (measured), deepest dive 63 m (modelled)Feb 18Feb 20, 2026 — seafloor 47 m (measured), deepest dive 34 m (modelled)Feb 20Feb 20, 2026 — seafloor 42 m (measured), deepest dive 34 m (modelled)Feb 20Mar 1, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Mar 1Mar 1, 2026 — seafloor 46 m (measured), deepest dive 39 m (modelled)Mar 1

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

Dives

91 m
Deepest dive
3:32
Longest dive
106
Dives
20 m
Avg dive depth
9
Sightings
58
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010091 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (199 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 23, 2026

measured
Seafloor depth
199 m
Sea-surface temperature
25.3°C
Distance from shore
11.0 km

Across the residency · 9 sightings

measured
Seafloor depth
22 m – 199 m
Sea-surface temperature
24.3°C – 25.5°C
Distance from shore
2.0 km – 11.0 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 9 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.