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

Rosie Finch – Residency

4th sighting in Au'au Channel
Fluke of Rosie Finch
Rosie Finch Confirmed in the catalog @6448
Jan 4 – Feb 17, 2021 · Au'au Channel

Au'au Channel · Jan – Feb 2021

30 m
Deepest dive
1:41
Longest dive
40
Dives
Sightings
4
Days between first and last sighting
44

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 4, 202142 m25.7°C30 m
Jan 4, 20214 m25.6°C4 m
Feb 17, 202142 m25.3°C30 m
Feb 17, 202154 m25.3°C30 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 4, 2021 — seafloor 42 m (measured), deepest dive 30 m (modelled)Jan 4Jan 4, 2021 — seafloor 4 m (measured), deepest dive 4 m (modelled)Jan 4Feb 17, 2021 — seafloor 42 m (measured), deepest dive 30 m (modelled)Feb 17Feb 17, 2021 — seafloor 54 m (measured), deepest dive 30 m (modelled)Feb 17

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

Dives

30 m
Deepest dive
1:41
Longest dive
40
Dives
12 m
Avg dive depth
4
Sightings
44
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255030 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (42 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 4, 2021

measured
Seafloor depth
42 m
Sea-surface temperature
25.7°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
4 m – 54 m
Sea-surface temperature
25.3°C – 25.7°C
Distance from shore
1.0 km – 3.0 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 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.