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

Cirque – Residency

2nd sighting in Au'au Channel
Fluke of Cirque
Cirque Confirmed in the catalog @10864
Mar 15 – 26, 2021 · Au'au Channel

Au'au Channel · Mar 2021

31 m
Deepest dive
2:07
Longest dive
13
Dives
Sightings
2
Days between first and last sighting
11

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Mar 15, 202171 m24.8°C31 m
Mar 26, 202141 m24.6°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
Mar 15, 2021 — seafloor 71 m (measured), deepest dive 31 m (modelled)Mar 15Mar 26, 2021 — seafloor 41 m (measured), deepest dive 30 m (modelled)Mar 26

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

Dives

31 m
Deepest dive
2:07
Longest dive
13
Dives
16 m
Avg dive depth
2
Sightings
11
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255031 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (71 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 15, 2021

measured
Seafloor depth
71 m
Sea-surface temperature
24.8°C
Distance from shore
6.0 km

Across the residency · 2 sightings

measured
Seafloor depth
41 m – 71 m
Sea-surface temperature
24.6°C – 24.8°C
Distance from shore
1.0 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 2 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.