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

Dakota – Residency

7th sighting in Au'au Channel
Fluke of Dakota
Dakota Confirmed in the catalog @137516
Mar 6 – 18, 2026 · Au'au Channel

Au'au Channel · Mar 2026

51 m
Deepest dive
1:59
Longest dive
42
Dives
Sightings
3
Days between first and last sighting
12
Deepest dive on record
51 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Mar 6, 202622 m24.5°C20 m
Mar 18, 202669 m24.7°C51 m
Mar 18, 202642 m24.7°C37 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
Mar 6, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Mar 6Mar 18, 2026 — seafloor 69 m (measured), deepest dive 51 m (modelled)Mar 18Mar 18, 2026 — seafloor 42 m (measured), deepest dive 37 m (modelled)Mar 18

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

Dives

51 m
Deepest dive
1:59
Longest dive
42
Dives
17 m
Avg dive depth
3
Sightings
12
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010051 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.

Unlock with Risa Deep

Place

Where this happened · Mar 18, 2026

measured
Seafloor depth
69 m
Sea-surface temperature
24.7°C
Distance from shore
5.0 km

Across the residency · 3 sightings

measured
Seafloor depth
22 m – 69 m
Sea-surface temperature
24.5°C – 24.7°C
Distance from shore
2.0 km – 5.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 3 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.