2023 Calf of Ampersand – Residency
10th sighting in South Africa
2023 Calf of Ampersand @109441
Nov 5, 2024 – Jan 25, 2025 · South Africa
South Africa · Nov 2024 – Jan 2025
72 m
Deepest dive
3:44
Longest dive
101
Dives
- Sightings
- 9
- Days between first and last sighting
- 81
- Deepest dive on record
- 72 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 5, 2024 | 82 m | — | 72 m |
| Dec 12, 2024 | 42 m | — | 32 m |
| Dec 15, 2024 | 79 m | — | 67 m |
| Dec 15, 2024 | 78 m | — | 57 m |
| Dec 15, 2024 | 78 m | — | 51 m |
| Jan 13, 2025 | 61 m | — | 47 m |
| Jan 14, 2025 | 77 m | — | 16 m |
| Jan 24, 2025 | 86 m | — | 53 m |
| Jan 25, 2025 | 69 m | — | 33 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
72 m
Deepest dive
3:44
Longest dive
101
Dives
21 m
Avg dive depth
9
Sightings
81
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 · Nov 5, 2024
measured- Seafloor depth
- 82 m
- Sea-surface temperature
- —
- Distance from shore
- 25.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 42 m – 86 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 25.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.