HW-MN0805739 – Residency
6th sighting in South Africa
HW-MN0805739 @150354
Dec 27, 2025 – Jan 27, 2026 · South Africa
South Africa · Dec 2025 – Jan 2026
51 m
Deepest dive
2:38
Longest dive
61
Dives
- Sightings
- 6
- Days between first and last sighting
- 31
- Deepest dive on record
- 51 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 27, 2025 | 62 m | — | 51 m |
| Dec 29, 2025 | 45 m | — | 41 m |
| Dec 30, 2025 | 65 m | — | 32 m |
| Dec 31, 2025 | 65 m | — | 46 m |
| Jan 14, 2026 | 37 m | 15.7°C | 34 m |
| Jan 27, 2026 | 99 m | 16.4°C | 46 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
51 m
Deepest dive
2:38
Longest dive
61
Dives
18 m
Avg dive depth
6
Sightings
31
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 27, 2025
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 6.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 37 m – 99 m
- Sea-surface temperature
- 15.7°C – 16.4°C
- Distance from shore
- 3.0 km – 11.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.