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

Isabel – Residency

4th sighting in Au'au Channel
Fluke of Isabel
Isabel Confirmed in the catalog @58869
Jan 29 – Feb 28, 2025 · Au'au Channel

Au'au Channel · Jan – Feb 2025

49 m
Deepest dive
2:13
Longest dive
36
Dives
Sightings
4
Days between first and last sighting
30
Deepest dive on record
49 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 29, 202551 m—40 m
Feb 20, 202566 m—49 m
Feb 25, 202547 m—28 m
Feb 28, 202532 m—19 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 29, 2025 — seafloor 51 m (measured), deepest dive 40 m (modelled)Jan 29Feb 20, 2025 — seafloor 66 m (measured), deepest dive 49 m (modelled)Feb 20Feb 25, 2025 — seafloor 47 m (measured), deepest dive 28 m (modelled)Feb 25Feb 28, 2025 — seafloor 32 m (measured), deepest dive 19 m (modelled)Feb 28

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

Dives

49 m
Deepest dive
2:13
Longest dive
36
Dives
18 m
Avg dive depth
4
Sightings
30
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255049 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (66 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 · Feb 20, 2025

measured
Seafloor depth
66 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 4 sightings

measured
Seafloor depth
32 m – 66 m
Sea-surface temperature
—
Distance from shore
2.0 km – 6.0 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.