HW-MN0805647 – Residency
2nd sighting in South Africa
HW-MN0805647 @149497
Dec 7 – 9, 2025 · South Africa
South Africa · Dec 2025
43 m
Deepest dive
1:47
Longest dive
60
Dives
- Sightings
- 2
- Days between first and last sighting
- 2
- Deepest dive on record
- 43 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 7, 2025 | 48 m | — | 43 m |
| Dec 9, 2025 | 17 m | — | 14 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
43 m
Deepest dive
1:47
Longest dive
60
Dives
13 m
Avg dive depth
2
Sightings
2
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 (48 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 7, 2025
measured- Seafloor depth
- 48 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 17 m – 48 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 3.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.