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

Cirrus – Residency

4th sighting in Au'au Channel
Fluke of Cirrus
Cirrus Confirmed in the catalog @14403
Feb 6 – 28, 2021 · Au'au Channel

Au'au Channel · Feb 2021

28 m
Deepest dive
1:19
Longest dive
15
Dives
Sightings
2
Days between first and last sighting
22

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 6, 202131 m—28 m
Feb 28, 202142 m—24 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
Feb 6, 2021 — seafloor 31 m (measured), deepest dive 28 m (modelled)Feb 6Feb 28, 2021 — seafloor 42 m (measured), deepest dive 24 m (modelled)Feb 28

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

Dives

28 m
Deepest dive
1:19
Longest dive
15
Dives
13 m
Avg dive depth
2
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255028 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (31 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 · Feb 6, 2021

measured
Seafloor depth
31 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 2 sightings

measured
Seafloor depth
31 m – 42 m
Sea-surface temperature
—
Distance from shore
2.0 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 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.