Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

2025 Charlie – Residency

12th sighting in South Africa
Fluke of 2025 Charlie
2025 Charlie Confirmed in the catalog @142207
Aug 6 – 21, 2025 · South Africa

South Africa · Aug 2025

34 m
Deepest dive
1:43
Longest dive
130
Dives
Sightings
12
Days between first and last sighting
15
Deepest dive on record
34 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 6, 202540 m—34 m
Aug 7, 202524 m—20 m
Aug 8, 202521 m—16 m
Aug 8, 202520 m—15 m
Aug 10, 202522 m—18 m
Aug 11, 202523 m—18 m
Aug 13, 202534 m—31 m
Aug 15, 202522 m—20 m
Aug 17, 202516 m—14 m
Aug 18, 202529 m—26 m
Aug 19, 202529 m—17 m
Aug 21, 202544 m—27 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Aug 6, 2025 — seafloor 40 m (measured), deepest dive 34 m (modelled)Aug 6Aug 7, 2025 — seafloor 24 m (measured), deepest dive 20 m (modelled)Aug 7Aug 8, 2025 — seafloor 21 m (measured), deepest dive 16 m (modelled)Aug 8Aug 8, 2025 — seafloor 20 m (measured), deepest dive 15 m (modelled)Aug 8Aug 10, 2025 — seafloor 22 m (measured), deepest dive 18 m (modelled)Aug 10Aug 11, 2025 — seafloor 23 m (measured), deepest dive 18 m (modelled)Aug 11Aug 13, 2025 — seafloor 34 m (measured), deepest dive 31 m (modelled)Aug 13Aug 15, 2025 — seafloor 22 m (measured), deepest dive 20 m (modelled)Aug 15Aug 17, 2025 — seafloor 16 m (measured), deepest dive 14 m (modelled)Aug 17Aug 18, 2025 — seafloor 29 m (measured), deepest dive 26 m (modelled)Aug 18Aug 19, 2025 — seafloor 29 m (measured), deepest dive 17 m (modelled)Aug 19Aug 21, 2025 — seafloor 44 m (measured), deepest dive 27 m (modelled)Aug 21

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

34 m
Deepest dive
1:43
Longest dive
130
Dives
13 m
Avg dive depth
12
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255034 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (40 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Aug 6, 2025

measured
Seafloor depth
40 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 12 sightings

measured
Seafloor depth
16 m – 44 m
Sea-surface temperature
—
Distance from shore
7.0 km – 11.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 12 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.