like Mekong – Residency
5th sighting in Au'au Channel
like Mekong @23256
Dec 16 – 28, 2025 · Au'au Channel
Au'au Channel · Dec 2025
81 m
Deepest dive
2:48
Longest dive
23
Dives
- Sightings
- 2
- Days between first and last sighting
- 12
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 16, 2025 | 164 m | — | 81 m |
| Dec 28, 2025 | 34 m | — | 24 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
81 m
Deepest dive
2:48
Longest dive
23
Dives
18 m
Avg dive depth
2
Sightings
12
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 (164 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 16, 2025
measured- Seafloor depth
- 164 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 34 m – 164 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 4.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.