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

BCZ0284 – Residency

2nd sighting in Au'au Channel
Fluke of BCZ0284
BCZ0284 Confirmed in the catalog @64170
Jan 13, 2026 · Au'au Channel

Au'au Channel · Jan 2026

49 m
Deepest dive
2:04
Longest dive
31
Dives
Sightings
1
Days between first and last sighting
Same day

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 13, 202655 m25.7°C49 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 55 m (measured), deepest dive 49 m (modelled)Jan 13

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

Dives

49 m
Deepest dive
2:04
Longest dive
31
Dives
19 m
Avg dive depth
1
Sightings
Same day
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (55 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 13, 2026

measured
Seafloor depth
55 m
Sea-surface temperature
25.7°C
Distance from shore
4.0 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 1 catalogued encounter 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.