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South Africa

HW-MN0805586 – Residency

10th sighting in South Africa
Fluke of HW-MN0805586
HW-MN0805586 Confirmed in the catalog @148731
Nov 24, 2025 – Feb 24, 2026 · South Africa

South Africa · Nov 2025 – Feb 2026

50 m
Deepest dive
2:05
Longest dive
121
Dives
Sightings
10
Days between first and last sighting
92
Deepest dive on record
50 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 24, 202538 m—33 m
Nov 27, 202528 m—24 m
Dec 21, 202554 m—25 m
Dec 29, 202545 m—38 m
Dec 30, 202546 m—42 m
Jan 5, 202678 m15.0°C44 m
Feb 3, 202668 m15.2°C50 m
Feb 16, 20262 m13.1°C2 m
Feb 20, 202615 m15.8°C13 m
Feb 24, 202619 m17.2°C16 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
Nov 24, 2025 — seafloor 38 m (measured), deepest dive 33 m (modelled)Nov 24Nov 27, 2025 — seafloor 28 m (measured), deepest dive 24 m (modelled)Nov 27Dec 21, 2025 — seafloor 54 m (measured), deepest dive 25 m (modelled)Dec 21Dec 29, 2025 — seafloor 45 m (measured), deepest dive 38 m (modelled)Dec 29Dec 30, 2025 — seafloor 46 m (measured), deepest dive 42 m (modelled)Dec 30Jan 5, 2026 — seafloor 78 m (measured), deepest dive 44 m (modelled)Jan 5Feb 3, 2026 — seafloor 68 m (measured), deepest dive 50 m (modelled)Feb 3Feb 16, 2026 — seafloor 2 m (measured), deepest dive 2 m (modelled)Feb 16Feb 20, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Feb 20Feb 24, 2026 — seafloor 19 m (measured), deepest dive 16 m (modelled)Feb 24

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

Dives

50 m
Deepest dive
2:05
Longest dive
121
Dives
13 m
Avg dive depth
10
Sightings
92
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010050 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (68 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 · Feb 3, 2026

measured
Seafloor depth
68 m
Sea-surface temperature
15.2°C
Distance from shore
9.0 km

Across the residency · 10 sightings

measured
Seafloor depth
2 m – 78 m
Sea-surface temperature
13.1°C – 17.2°C
Distance from shore
1.0 km – 9.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 10 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.