HW-MN0805651 – Residency
5th sighting in South Africa
HW-MN0805651 @149501
Dec 7 – 31, 2025 · South Africa
South Africa · Dec 2025
57 m
Deepest dive
2:20
Longest dive
95
Dives
- Sightings
- 5
- Days between first and last sighting
- 24
- Deepest dive on record
- 57 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 | — | 40 m |
| Dec 9, 2025 | 17 m | — | 15 m |
| Dec 30, 2025 | 65 m | — | 57 m |
| Dec 30, 2025 | 26 m | — | 23 m |
| Dec 31, 2025 | 45 m | — | 40 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
57 m
Deepest dive
2:20
Longest dive
95
Dives
15 m
Avg dive depth
5
Sightings
24
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 (65 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 30, 2025
measured- Seafloor depth
- 65 m
- Sea-surface temperature
- —
- Distance from shore
- 9.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 17 m – 65 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.