HW-MN0805477 – Residency
2nd sighting in South Africa
HW-MN0805477 @147109
Oct 30 – Dec 9, 2025 · South Africa
South Africa · Oct – Dec 2025
39 m
Deepest dive
1:32
Longest dive
15
Dives
- Sightings
- 2
- Days between first and last sighting
- 40
- Deepest dive on record
- 39 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) |
|---|---|---|---|
| Oct 30, 2025 | 57 m | — | 39 m |
| Dec 9, 2025 | 45 m | — | 36 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
39 m
Deepest dive
1:32
Longest dive
15
Dives
20 m
Avg dive depth
2
Sightings
40
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 (57 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 30, 2025
measured- Seafloor depth
- 57 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 45 m – 57 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 3.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.