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

SEAK-5256 – Residency

5th sighting in Au'au Channel
Fluke of SEAK-5256
SEAK-5256 Confirmed in the catalog @26786
Dec 6, 2024 – Feb 10, 2025 · Au'au Channel

Au'au Channel · Dec 2024 – Feb 2025

52 m
Deepest dive
2:28
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
66

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 6, 202487 m26.3°C52 m
Dec 18, 202463 m25.8°C49 m
Feb 10, 202538 m25.1°C29 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
Dec 6, 2024 — seafloor 87 m (measured), deepest dive 52 m (modelled)Dec 6Dec 18, 2024 — seafloor 63 m (measured), deepest dive 49 m (modelled)Dec 18Feb 10, 2025 — seafloor 38 m (measured), deepest dive 29 m (modelled)Feb 10

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

Dives

52 m
Deepest dive
2:28
Longest dive
35
Dives
22 m
Avg dive depth
3
Sightings
66
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010052 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (87 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 · Dec 6, 2024

measured
Seafloor depth
87 m
Sea-surface temperature
26.3°C
Distance from shore
6.0 km

Across the residency · 3 sightings

measured
Seafloor depth
38 m – 87 m
Sea-surface temperature
25.1°C – 26.3°C
Distance from shore
1.0 km – 6.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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.