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South Africa

HW-MN0805734 – Residency

9th sighting in South Africa
Fluke of HW-MN0805734
HW-MN0805734 Confirmed in the catalog @150308
Dec 12, 2025 – Jan 11, 2026 · South Africa

South Africa · Dec 2025 – Jan 2026

93 m
Deepest dive
3:02
Longest dive
119
Dives
Sightings
11
Days between first and last sighting
30
Deepest dive on record
93 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 12, 2025333 m—82 m
Dec 27, 2025109 m—93 m
Dec 29, 202561 m—37 m
Dec 29, 202545 m—34 m
Dec 30, 202543 m—21 m
Dec 30, 202546 m—40 m
Dec 31, 202545 m—24 m
Jan 5, 202682 m14.8°C52 m
Jan 5, 202665 m14.8°C56 m
Jan 6, 202693 m15.2°C72 m
Jan 11, 202696 m17.5°C76 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 12, 2025 — seafloor 333 m (measured), deepest dive 82 m (modelled)Dec 12Dec 27, 2025 — seafloor 109 m (measured), deepest dive 93 m (modelled)Dec 27Dec 29, 2025 — seafloor 61 m (measured), deepest dive 37 m (modelled)Dec 29Dec 29, 2025 — seafloor 45 m (measured), deepest dive 34 m (modelled)Dec 29Dec 30, 2025 — seafloor 43 m (measured), deepest dive 21 m (modelled)Dec 30Dec 30, 2025 — seafloor 46 m (measured), deepest dive 40 m (modelled)Dec 30Dec 31, 2025 — seafloor 45 m (measured), deepest dive 24 m (modelled)Dec 31Jan 5, 2026 — seafloor 82 m (measured), deepest dive 52 m (modelled)Jan 5Jan 5, 2026 — seafloor 65 m (measured), deepest dive 56 m (modelled)Jan 5Jan 6, 2026 — seafloor 93 m (measured), deepest dive 72 m (modelled)Jan 6Jan 11, 2026 — seafloor 96 m (measured), deepest dive 76 m (modelled)Jan 11

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

Dives

93 m
Deepest dive
3:02
Longest dive
119
Dives
22 m
Avg dive depth
11
Sightings
30
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010093 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (109 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 · Dec 27, 2025

measured
Seafloor depth
109 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 11 sightings

measured
Seafloor depth
43 m – 333 m
Sea-surface temperature
14.8°C – 17.5°C
Distance from shore
3.0 km – 28.0 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 11 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.