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

Avuncular – Residency

5th sighting in Au'au Channel
Fluke of Avuncular
Avuncular Confirmed in the catalog @26806
Jan 13 – 18, 2026 · Au'au Channel

Au'au Channel · Jan 2026

120 m
Deepest dive
5:10
Longest dive
55
Dives
Sightings
2
Days between first and last sighting
5
Deepest dive on record
120 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 13, 202667 m25.7°C57 m
Jan 18, 20261,139 m25.2°C120 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 13, 2026 — seafloor 67 m (measured), deepest dive 57 m (modelled)Jan 13Jan 18, 2026 — seafloor 1,139 m (measured), deepest dive 120 m (modelled)Jan 18

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

Dives

120 m
Deepest dive
5:10
Longest dive
55
Dives
21 m
Avg dive depth
2
Sightings
5
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150120 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 · Jan 18, 2026

measured
Seafloor depth
1,139 m
Sea-surface temperature
25.2°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
67 m – 1,139 m
Sea-surface temperature
25.2°C – 25.7°C
Distance from shore
4.0 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.