HW-MN0805366 – Residency
13th sighting in South Africa
HW-MN0805366 @146838
Oct 27 – Dec 30, 2025 · South Africa
South Africa · Oct – Dec 2025
79 m
Deepest dive
3:36
Longest dive
173
Dives
- Sightings
- 13
- Days between first and last sighting
- 64
- Deepest dive on record
- 79 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 27, 2025 | 63 m | — | 54 m |
| Nov 24, 2025 | 38 m | — | 35 m |
| Nov 25, 2025 | 27 m | — | 21 m |
| Nov 25, 2025 | 64 m | — | 58 m |
| Dec 4, 2025 | 90 m | — | 79 m |
| Dec 4, 2025 | 71 m | — | 49 m |
| Dec 9, 2025 | 17 m | — | 13 m |
| Dec 11, 2025 | 37 m | — | 23 m |
| Dec 11, 2025 | 45 m | — | 39 m |
| Dec 21, 2025 | 64 m | — | 26 m |
| Dec 28, 2025 | 61 m | — | 34 m |
| Dec 29, 2025 | 45 m | — | 36 m |
| Dec 30, 2025 | 46 m | — | 32 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
79 m
Deepest dive
3:36
Longest dive
173
Dives
18 m
Avg dive depth
13
Sightings
64
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 (90 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 4, 2025
measured- Seafloor depth
- 90 m
- Sea-surface temperature
- —
- Distance from shore
- 4.0 km
Across the residency · 13 sightings
measured- Seafloor depth
- 17 m – 90 m
- Sea-surface temperature
- —
- Distance from shore
- 1.0 km – 4.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 13 catalogued encounters on Happywhale.