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

SEAK-1860 – Residency

6th sighting in Au'au Channel
Fluke of SEAK-1860
SEAK-1860 Confirmed in the catalog @23616
Feb 24 – Mar 2, 2025 · Au'au Channel

Au'au Channel · Feb – Mar 2025

38 m
Deepest dive
1:56
Longest dive
28
Dives
Sightings
3
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 24, 2025452 m—38 m
Feb 27, 202556 m—27 m
Mar 2, 202550 m—32 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 24, 2025 — seafloor 452 m (measured), deepest dive 38 m (modelled)Feb 24Feb 27, 2025 — seafloor 56 m (measured), deepest dive 27 m (modelled)Feb 27Mar 2, 2025 — seafloor 50 m (measured), deepest dive 32 m (modelled)Mar 2

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

Dives

38 m
Deepest dive
1:56
Longest dive
28
Dives
16 m
Avg dive depth
3
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255038 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (452 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 · Feb 24, 2025

measured
Seafloor depth
452 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 3 sightings

measured
Seafloor depth
50 m – 452 m
Sea-surface temperature
—
Distance from shore
4.0 km – 5.0 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).

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