HW-MN0805689 – Residency
4th sighting in South Africa
HW-MN0805689 @149801
Dec 11, 2025 – Jan 26, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
48 m
Deepest dive
1:55
Longest dive
37
Dives
- Sightings
- 4
- Days between first and last sighting
- 46
- Deepest dive on record
- 48 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 11, 2025 | 37 m | — | 33 m |
| Dec 11, 2025 | 60 m | — | 48 m |
| Jan 17, 2026 | 58 m | 17.9°C | 36 m |
| Jan 26, 2026 | 57 m | 14.3°C | 43 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
48 m
Deepest dive
1:55
Longest dive
37
Dives
18 m
Avg dive depth
4
Sightings
46
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 (60 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 11, 2025
measured- Seafloor depth
- 60 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 4 sightings
measured- Seafloor depth
- 37 m – 60 m
- Sea-surface temperature
- 14.3°C – 17.9°C
- Distance from shore
- 2.0 km – 6.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.