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

floating pier – Residency

5th sighting in Au'au Channel
Fluke of floating pier
floating pier Confirmed in the catalog @100000
Jan 28 – Mar 5, 2023 · Au'au Channel

Au'au Channel · Jan – Mar 2023

47 m
Deepest dive
2:18
Longest dive
81
Dives
Sightings
5
Days between first and last sighting
36

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 28, 202325 m—19 m
Jan 28, 202325 m—17 m
Jan 31, 202358 m—47 m
Jan 31, 202326 m—24 m
Mar 5, 202355 m—42 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 28, 2023 — seafloor 25 m (measured), deepest dive 19 m (modelled)Jan 28Jan 28, 2023 — seafloor 25 m (measured), deepest dive 17 m (modelled)Jan 28Jan 31, 2023 — seafloor 58 m (measured), deepest dive 47 m (modelled)Jan 31Jan 31, 2023 — seafloor 26 m (measured), deepest dive 24 m (modelled)Jan 31Mar 5, 2023 — seafloor 55 m (measured), deepest dive 42 m (modelled)Mar 5

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

Dives

47 m
Deepest dive
2:18
Longest dive
81
Dives
15 m
Avg dive depth
5
Sightings
36
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 (58 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 31, 2023

measured
Seafloor depth
58 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 5 sightings

measured
Seafloor depth
25 m – 58 m
Sea-surface temperature
—
Distance from shore
2.0 km – 4.0 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 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.