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

BCX0725 – Residency

5th sighting in Au'au Channel
Fluke of BCX0725
BCX0725 Confirmed in the catalog @33436
Mar 5 – 24, 2023 · Au'au Channel

Au'au Channel · Mar 2023

127 m
Deepest dive
4:01
Longest dive
25
Dives
Sightings
3
Days between first and last sighting
19
Deepest dive on record
127 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 5, 202352 m—23 m
Mar 23, 2023164 m—127 m
Mar 24, 202373 m—44 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
Mar 5, 2023 — seafloor 52 m (measured), deepest dive 23 m (modelled)Mar 5Mar 23, 2023 — seafloor 164 m (measured), deepest dive 127 m (modelled)Mar 23Mar 24, 2023 — seafloor 73 m (measured), deepest dive 44 m (modelled)Mar 24

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

Dives

127 m
Deepest dive
4:01
Longest dive
25
Dives
27 m
Avg dive depth
3
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150127 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (164 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 · Mar 23, 2023

measured
Seafloor depth
164 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
52 m – 164 m
Sea-surface temperature
—
Distance from shore
1.0 km – 7.0 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.