HW-MN0805855 – Residency
3rd sighting in South Africa
HW-MN0805855 @150533
Dec 28 – 29, 2025 · South Africa
South Africa · Dec 2025
49 m
Deepest dive
2:11
Longest dive
56
Dives
- Sightings
- 3
- Days between first and last sighting
- 1
- Deepest dive on record
- 49 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 28, 2025 | 81 m | — | 35 m |
| Dec 29, 2025 | 58 m | — | 49 m |
| Dec 29, 2025 | 45 m | — | 41 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
49 m
Deepest dive
2:11
Longest dive
56
Dives
20 m
Avg dive depth
3
Sightings
1
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 (58 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 29, 2025
measured- Seafloor depth
- 58 m
- Sea-surface temperature
- —
- Distance from shore
- 5.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 45 m – 81 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 10.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.