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

McFly – Residency

6th sighting in Au'au Channel
Fluke of McFly
McFly Confirmed in the catalog @69462
Dec 30, 2025 – Jan 9, 2026 · Au'au Channel

Au'au Channel · Dec 2025 – Jan 2026

75 m
Deepest dive
3:07
Longest dive
70
Dives
Sightings
5
Days between first and last sighting
10

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 202582 m25.4°C44 m
Jan 8, 202660 m25.5°C45 m
Jan 8, 202675 m25.5°C64 m
Jan 8, 202674 m25.6°C66 m
Jan 9, 202683 m25.8°C75 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 30, 2025 — seafloor 82 m (measured), deepest dive 44 m (modelled)Dec 30Jan 8, 2026 — seafloor 60 m (measured), deepest dive 45 m (modelled)Jan 8Jan 8, 2026 — seafloor 75 m (measured), deepest dive 64 m (modelled)Jan 8Jan 8, 2026 — seafloor 74 m (measured), deepest dive 66 m (modelled)Jan 8Jan 9, 2026 — seafloor 83 m (measured), deepest dive 75 m (modelled)Jan 9

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

Dives

75 m
Deepest dive
3:07
Longest dive
70
Dives
22 m
Avg dive depth
5
Sightings
10
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010075 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (83 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 9, 2026

measured
Seafloor depth
83 m
Sea-surface temperature
25.8°C
Distance from shore
4.0 km

Across the residency · 5 sightings

measured
Seafloor depth
60 m – 83 m
Sea-surface temperature
25.4°C – 25.8°C
Distance from shore
4.0 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 5 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.