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

RJKahuna – Residency

11th sighting in Au'au Channel
Fluke of RJKahuna
RJKahuna Confirmed in the catalog @23731
Feb 24 – Apr 13, 2023 · Au'au Channel

Au'au Channel · Feb – Apr 2023

58 m
Deepest dive
2:33
Longest dive
113
Dives
Sightings
10
Days between first and last sighting
48

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 24, 202398 m24.3°C54 m
Feb 25, 202342 m24.2°C28 m
Mar 3, 202320 m24.3°C16 m
Mar 13, 202356 m24.8°C50 m
Mar 14, 202316 m24.7°C13 m
Mar 17, 202369 m25.1°C58 m
Mar 18, 202316 m24.9°C12 m
Mar 20, 202342 m24.9°C32 m
Mar 24, 202370 m25.2°C40 m
Apr 13, 2023-6 m24.8°C—

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 24, 2023 — seafloor 98 m (measured), deepest dive 54 m (modelled)Feb 24Feb 25, 2023 — seafloor 42 m (measured), deepest dive 28 m (modelled)Feb 25Mar 3, 2023 — seafloor 20 m (measured), deepest dive 16 m (modelled)Mar 3Mar 13, 2023 — seafloor 56 m (measured), deepest dive 50 m (modelled)Mar 13Mar 14, 2023 — seafloor 16 m (measured), deepest dive 13 m (modelled)Mar 14Mar 17, 2023 — seafloor 69 m (measured), deepest dive 58 m (modelled)Mar 17Mar 18, 2023 — seafloor 16 m (measured), deepest dive 12 m (modelled)Mar 18Mar 20, 2023 — seafloor 42 m (measured), deepest dive 32 m (modelled)Mar 20Mar 24, 2023 — seafloor 70 m (measured), deepest dive 40 m (modelled)Mar 24Apr 13, 2023 — seafloor -6 m (measured), deepest dive — (modelled)Apr 13

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

Dives

58 m
Deepest dive
2:33
Longest dive
113
Dives
15 m
Avg dive depth
10
Sightings
48
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (69 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 17, 2023

measured
Seafloor depth
69 m
Sea-surface temperature
25.1°C
Distance from shore
2.0 km

Across the residency · 10 sightings

measured
Seafloor depth
-6 m – 98 m
Sea-surface temperature
24.2°C – 25.2°C
Distance from shore
2.0 km – 6.0 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 10 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.