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

CRC-13789 – Residency

10th sighting in Au'au Channel
Fluke of CRC-13789
CRC-13789 Confirmed in the catalog @24051
Dec 21 – 27, 2024 · Au'au Channel

Au'au Channel · Dec 2024

54 m
Deepest dive
2:27
Longest dive
49
Dives
Sightings
3
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Dec 21, 202416 m—15 m
Dec 27, 202442 m—34 m
Dec 27, 202476 m—54 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
Dec 21, 2024 — seafloor 16 m (measured), deepest dive 15 m (modelled)Dec 21Dec 27, 2024 — seafloor 42 m (measured), deepest dive 34 m (modelled)Dec 27Dec 27, 2024 — seafloor 76 m (measured), deepest dive 54 m (modelled)Dec 27

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

Dives

54 m
Deepest dive
2:27
Longest dive
49
Dives
14 m
Avg dive depth
3
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010054 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 · Dec 27, 2024

measured
Seafloor depth
76 m
Sea-surface temperature
—
Distance from shore
6.0 km

Across the residency · 3 sightings

measured
Seafloor depth
16 m – 76 m
Sea-surface temperature
—
Distance from shore
2.0 km – 6.0 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 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.