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

OSUWTG-MnHI207 – Residency

6th sighting in Au'au Channel
Fluke of OSUWTG-MnHI207
OSUWTG-MnHI207 Confirmed in the catalog @25003
Mar 5 – 24, 2023 · Au'au Channel

Au'au Channel · Mar 2023

37 m
Deepest dive
1:36
Longest dive
40
Dives
Sightings
4
Days between first and last sighting
19

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 5, 202323 m—20 m
Mar 21, 202360 m—28 m
Mar 23, 202353 m—37 m
Mar 24, 202352 m—31 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 23 m (measured), deepest dive 20 m (modelled)Mar 5Mar 21, 2023 — seafloor 60 m (measured), deepest dive 28 m (modelled)Mar 21Mar 23, 2023 — seafloor 53 m (measured), deepest dive 37 m (modelled)Mar 23Mar 24, 2023 — seafloor 52 m (measured), deepest dive 31 m (modelled)Mar 24

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

Dives

37 m
Deepest dive
1:36
Longest dive
40
Dives
17 m
Avg dive depth
4
Sightings
19
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255037 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (53 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
53 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 4 sightings

measured
Seafloor depth
23 m – 60 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 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.