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

Double Stuff – Residency

10th sighting in Au'au Channel
Fluke of Double Stuff
Double Stuff Confirmed in the catalog @20022
Feb 21 – Mar 1, 2025 · Au'au Channel

Au'au Channel · Feb – Mar 2025

51 m
Deepest dive
2:07
Longest dive
50
Dives
Sightings
5
Days between first and last sighting
8

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 21, 202566 m25.5°C42 m
Feb 27, 202552 m25.2°C32 m
Mar 1, 202516 m25.1°C14 m
Mar 1, 202575 m25.3°C42 m
Mar 1, 202563 m25.3°C51 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 21, 2025 — seafloor 66 m (measured), deepest dive 42 m (modelled)Feb 21Feb 27, 2025 — seafloor 52 m (measured), deepest dive 32 m (modelled)Feb 27Mar 1, 2025 — seafloor 16 m (measured), deepest dive 14 m (modelled)Mar 1Mar 1, 2025 — seafloor 75 m (measured), deepest dive 42 m (modelled)Mar 1Mar 1, 2025 — seafloor 63 m (measured), deepest dive 51 m (modelled)Mar 1

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

Dives

51 m
Deepest dive
2:07
Longest dive
50
Dives
18 m
Avg dive depth
5
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010051 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (63 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 1, 2025

measured
Seafloor depth
63 m
Sea-surface temperature
25.3°C
Distance from shore
2.0 km

Across the residency · 5 sightings

measured
Seafloor depth
16 m – 75 m
Sea-surface temperature
25.1°C – 25.5°C
Distance from shore
2.0 km – 5.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · 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.