HW-MN0805336 – Residency
5th sighting in South Africa
HW-MN0805336 @144094
Dec 10 – 30, 2025 · South Africa
South Africa · Dec 2025
75 m
Deepest dive
2:29
Longest dive
47
Dives
- Sightings
- 4
- Days between first and last sighting
- 20
- Deepest dive on record
- 75 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 10, 2025 | 48 m | — | 36 m |
| Dec 11, 2025 | 37 m | — | 28 m |
| Dec 11, 2025 | 53 m | — | 33 m |
| Dec 30, 2025 | 82 m | — | 75 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
75 m
Deepest dive
2:29
Longest dive
47
Dives
18 m
Avg dive depth
4
Sightings
20
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 · 4 sightings
measured- Seafloor depth
- 37 m – 82 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 8.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 4 catalogued encounters on Happywhale.