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South Africa

HW-MN0805747 – Residency

10th sighting in South Africa
Fluke of HW-MN0805747
HW-MN0805747 Confirmed in the catalog @150362
Dec 27, 2025 – Feb 7, 2026 · South Africa

South Africa · Dec 2025 – Feb 2026

77 m
Deepest dive
3:12
Longest dive
122
Dives
Sightings
10
Days between first and last sighting
42
Deepest dive on record
77 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 27, 202562 m—38 m
Dec 28, 202581 m—52 m
Dec 28, 202561 m—23 m
Dec 29, 202557 m—51 m
Dec 29, 202545 m—26 m
Dec 30, 202583 m—75 m
Jan 17, 202685 m14.1°C55 m
Jan 30, 202634 m14.6°C27 m
Feb 7, 2026101 m18.9°C77 m
Feb 7, 202683 m16.8°C46 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 27, 2025 — seafloor 62 m (measured), deepest dive 38 m (modelled)Dec 27Dec 28, 2025 — seafloor 81 m (measured), deepest dive 52 m (modelled)Dec 28Dec 28, 2025 — seafloor 61 m (measured), deepest dive 23 m (modelled)Dec 28Dec 29, 2025 — seafloor 57 m (measured), deepest dive 51 m (modelled)Dec 29Dec 29, 2025 — seafloor 45 m (measured), deepest dive 26 m (modelled)Dec 29Dec 30, 2025 — seafloor 83 m (measured), deepest dive 75 m (modelled)Dec 30Jan 17, 2026 — seafloor 85 m (measured), deepest dive 55 m (modelled)Jan 17Jan 30, 2026 — seafloor 34 m (measured), deepest dive 27 m (modelled)Jan 30Feb 7, 2026 — seafloor 101 m (measured), deepest dive 77 m (modelled)Feb 7Feb 7, 2026 — seafloor 83 m (measured), deepest dive 46 m (modelled)Feb 7

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

Dives

77 m
Deepest dive
3:12
Longest dive
122
Dives
20 m
Avg dive depth
10
Sightings
42
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010077 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (101 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 7, 2026

measured
Seafloor depth
101 m
Sea-surface temperature
18.9°C
Distance from shore
6.0 km

Across the residency · 10 sightings

measured
Seafloor depth
34 m – 101 m
Sea-surface temperature
14.1°C – 18.9°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 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.