2023 Calf of Ampersand – Residency
2nd sighting in South Africa
2023 Calf of Ampersand @109441
Dec 7, 2023 – Jan 14, 2024 · South Africa
South Africa · Dec 2023 – Jan 2024
50 m
Deepest dive
2:48
Longest dive
13
Dives
- Sightings
- 2
- Days between first and last sighting
- 38
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Dec 7, 2023 | 62 m | — | 50 m |
| Jan 14, 2024 | 153 m | — | 49 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
50 m
Deepest dive
2:48
Longest dive
13
Dives
19 m
Avg dive depth
2
Sightings
38
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 (62 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Dec 7, 2023
measured- Seafloor depth
- 62 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 62 m – 153 m
- Sea-surface temperature
- —
- Distance from shore
- 7.0 km – 13.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.