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

Kroeger – Residency

7th sighting in Au'au Channel
Fluke of Kroeger
Kroeger Confirmed in the catalog @30946
Jan 16 – Mar 4, 2023 · Au'au Channel

Au'au Channel · Jan – Mar 2023

144 m
Deepest dive
4:48
Longest dive
68
Dives
Sightings
4
Days between first and last sighting
47
Deepest dive on record
144 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 16, 2023162 m—144 m
Feb 20, 202333 m—29 m
Feb 22, 202336 m—16 m
Mar 4, 2023254 m—86 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 16, 2023 — seafloor 162 m (measured), deepest dive 144 m (modelled)Jan 16Feb 20, 2023 — seafloor 33 m (measured), deepest dive 29 m (modelled)Feb 20Feb 22, 2023 — seafloor 36 m (measured), deepest dive 16 m (modelled)Feb 22Mar 4, 2023 — seafloor 254 m (measured), deepest dive 86 m (modelled)Mar 4

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

Dives

144 m
Deepest dive
4:48
Longest dive
68
Dives
23 m
Avg dive depth
4
Sightings
47
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150144 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (162 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 16, 2023

measured
Seafloor depth
162 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 4 sightings

measured
Seafloor depth
33 m – 254 m
Sea-surface temperature
—
Distance from shore
2.0 km – 11.0 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.