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

Double-Check – Residency

17th sighting in Au'au Channel
Fluke of Double-Check
Double-Check Confirmed in the catalog @13023
Feb 12 – Apr 11, 2024 · Au'au Channel

Au'au Channel · Feb – Apr 2024

47 m
Deepest dive
2:04
Longest dive
84
Dives
Sightings
9
Days between first and last sighting
59

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 12, 202435 m—31 m
Feb 18, 202426 m—22 m
Feb 21, 202423 m—15 m
Feb 24, 202420 m—16 m
Feb 29, 202422 m—18 m
Mar 1, 202417 m—15 m
Mar 20, 202429 m—20 m
Mar 23, 202434 m—28 m
Apr 11, 202452 m—47 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 12, 2024 — seafloor 35 m (measured), deepest dive 31 m (modelled)Feb 12Feb 18, 2024 — seafloor 26 m (measured), deepest dive 22 m (modelled)Feb 18Feb 21, 2024 — seafloor 23 m (measured), deepest dive 15 m (modelled)Feb 21Feb 24, 2024 — seafloor 20 m (measured), deepest dive 16 m (modelled)Feb 24Feb 29, 2024 — seafloor 22 m (measured), deepest dive 18 m (modelled)Feb 29Mar 1, 2024 — seafloor 17 m (measured), deepest dive 15 m (modelled)Mar 1Mar 20, 2024 — seafloor 29 m (measured), deepest dive 20 m (modelled)Mar 20Mar 23, 2024 — seafloor 34 m (measured), deepest dive 28 m (modelled)Mar 23Apr 11, 2024 — seafloor 52 m (measured), deepest dive 47 m (modelled)Apr 11

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

Dives

47 m
Deepest dive
2:04
Longest dive
84
Dives
12 m
Avg dive depth
9
Sightings
59
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (52 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 · Apr 11, 2024

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

Across the residency · 9 sightings

measured
Seafloor depth
17 m – 52 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 9 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.