ALCYONE – Residency
14th sighting in East Australia
ALCYONE @27308
Oct 20 – 23, 2026 · East Australia
Spring, Same Shallows (Not Saying That)
Mid-spring in these waters, spotted twice, decades deep in the record.
15 m
Deepest dive
1:10
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 3
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Oct 20, 2026 | 15 m | — | 13 m |
| Oct 23, 2026 | 19 m | — | 15 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
15 m
Deepest dive
1:10
Longest dive
23
Dives
9 m
Avg dive depth
2
Sightings
3
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (19 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 23, 2026
measured- Seafloor depth
- 19 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 15 m – 19 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.