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

BCZ0011 – Residency

6th sighting in Au'au Channel
Fluke of BCZ0011
BCZ0011 Confirmed in the catalog @45437
Feb 11 – Mar 25, 2024 · Au'au Channel

Au'au Channel · Feb – Mar 2024

47 m
Deepest dive
2:02
Longest dive
56
Dives
Sightings
4
Days between first and last sighting
43

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 11, 202448 m—36 m
Feb 21, 202416 m—15 m
Mar 15, 202470 m—47 m
Mar 25, 202436 m—21 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
Feb 11, 2024 — seafloor 48 m (measured), deepest dive 36 m (modelled)Feb 11Feb 21, 2024 — seafloor 16 m (measured), deepest dive 15 m (modelled)Feb 21Mar 15, 2024 — seafloor 70 m (measured), deepest dive 47 m (modelled)Mar 15Mar 25, 2024 — seafloor 36 m (measured), deepest dive 21 m (modelled)Mar 25

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

Dives

47 m
Deepest dive
2:02
Longest dive
56
Dives
14 m
Avg dive depth
4
Sightings
43
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (70 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 15, 2024

measured
Seafloor depth
70 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 4 sightings

measured
Seafloor depth
16 m – 70 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 4 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.