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

SEAK-1492 – Residency

14th sighting in Au'au Channel
Fluke of SEAK-1492
SEAK-1492 Confirmed in the catalog @25175
Feb 4 – Mar 4, 2026 · Au'au Channel

Au'au Channel · Feb – Mar 2026

151 m
Deepest dive
4:53
Longest dive
102
Dives
Sightings
7
Days between first and last sighting
28
Deepest dive on record
151 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 4, 202642 m25.4°C33 m
Feb 21, 202652 m24.5°C26 m
Feb 21, 202668 m24.5°C32 m
Mar 1, 202652 m24.5°C19 m
Mar 3, 20261,139 m24.9°C151 m
Mar 4, 202648 m24.7°C36 m
Mar 4, 202642 m24.7°C31 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 4, 2026 — seafloor 42 m (measured), deepest dive 33 m (modelled)Feb 4Feb 21, 2026 — seafloor 52 m (measured), deepest dive 26 m (modelled)Feb 21Feb 21, 2026 — seafloor 68 m (measured), deepest dive 32 m (modelled)Feb 21Mar 1, 2026 — seafloor 52 m (measured), deepest dive 19 m (modelled)Mar 1Mar 3, 2026 — seafloor 1,139 m (measured), deepest dive 151 m (modelled)Mar 3Mar 4, 2026 — seafloor 48 m (measured), deepest dive 36 m (modelled)Mar 4Mar 4, 2026 — seafloor 42 m (measured), deepest dive 31 m (modelled)Mar 4

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

Dives

151 m
Deepest dive
4:53
Longest dive
102
Dives
18 m
Avg dive depth
7
Sightings
28
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200151 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 3, 2026

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

Across the residency · 7 sightings

measured
Seafloor depth
42 m – 1,139 m
Sea-surface temperature
24.5°C – 25.4°C
Distance from shore
2.0 km – 6.0 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 7 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.