HW-MN0805663 – Residency
4th sighting in South Africa
HW-MN0805663 @149604
Dec 9, 2025 – Jan 2, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
62 m
Deepest dive
2:14
Longest dive
43
Dives
- Sightings
- 4
- Days between first and last sighting
- 24
- Deepest dive on record
- 62 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 9, 2025 | 17 m | — | 15 m |
| Dec 18, 2025 | 79 m | — | 62 m |
| Jan 2, 2026 | 83 m | 15.8°C | 36 m |
| Jan 2, 2026 | 98 m | 17.0°C | 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
62 m
Deepest dive
2:14
Longest dive
43
Dives
17 m
Avg dive depth
4
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 (79 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 18, 2025
measured- Seafloor depth
- 79 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 17 m – 98 m
- Sea-surface temperature
- 15.8°C – 17.0°C
- Distance from shore
- 1.0 km – 9.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.