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South Africa

HW-MN0805956 – Residency

8th sighting in South Africa
Fluke of HW-MN0805956
HW-MN0805956 Confirmed in the catalog @150876
Dec 29, 2025 – Feb 7, 2026 · South Africa

South Africa · Dec 2025 – Feb 2026

58 m
Deepest dive
2:38
Longest dive
100
Dives
Sightings
8
Days between first and last sighting
40
Deepest dive on record
58 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 29, 202545 m—32 m
Dec 31, 202545 m15.3°C31 m
Jan 5, 202682 m14.8°C58 m
Jan 5, 202665 m14.8°C27 m
Jan 11, 202696 m17.5°C36 m
Jan 11, 202666 m17.5°C56 m
Jan 26, 202670 m15.9°C49 m
Feb 7, 202681 m16.8°C57 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
Dec 29, 2025 — seafloor 45 m (measured), deepest dive 32 m (modelled)Dec 29Dec 31, 2025 — seafloor 45 m (measured), deepest dive 31 m (modelled)Dec 31Jan 5, 2026 — seafloor 82 m (measured), deepest dive 58 m (modelled)Jan 5Jan 5, 2026 — seafloor 65 m (measured), deepest dive 27 m (modelled)Jan 5Jan 11, 2026 — seafloor 96 m (measured), deepest dive 36 m (modelled)Jan 11Jan 11, 2026 — seafloor 66 m (measured), deepest dive 56 m (modelled)Jan 11Jan 26, 2026 — seafloor 70 m (measured), deepest dive 49 m (modelled)Jan 26Feb 7, 2026 — seafloor 81 m (measured), deepest dive 57 m (modelled)Feb 7

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

Dives

58 m
Deepest dive
2:38
Longest dive
100
Dives
17 m
Avg dive depth
8
Sightings
40
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (82 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 · Jan 5, 2026

measured
Seafloor depth
82 m
Sea-surface temperature
14.8°C
Distance from shore
10.0 km

Across the residency · 8 sightings

measured
Seafloor depth
45 m – 96 m
Sea-surface temperature
14.8°C – 17.5°C
Distance from shore
3.0 km – 10.0 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 8 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.