HW-MN0805537 – Residency
3rd sighting in South Africa
HW-MN0805537 @148131
Nov 11 – Dec 31, 2025 · South Africa
South Africa · Nov – Dec 2025
56 m
Deepest dive
2:59
Longest dive
26
Dives
- Sightings
- 3
- Days between first and last sighting
- 50
- Deepest dive on record
- 56 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) |
|---|---|---|---|
| Nov 11, 2025 | 64 m | — | 30 m |
| Dec 30, 2025 | 82 m | — | 56 m |
| Dec 31, 2025 | 97 m | 16.4°C | 51 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
56 m
Deepest dive
2:59
Longest dive
26
Dives
20 m
Avg dive depth
3
Sightings
50
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 (82 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 30, 2025
measured- Seafloor depth
- 82 m
- Sea-surface temperature
- —
- Distance from shore
- 8.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 64 m – 97 m
- Sea-surface temperature
- 16.4°C
- Distance from shore
- 6.0 km – 8.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.