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South Africa

HW-MN0804600 – Residency

14th sighting in South Africa
Fluke of HW-MN0804600
HW-MN0804600 Confirmed in the catalog @132326
Jan 11 – 29, 2026 · South Africa

South Africa · Jan 2026

77 m
Deepest dive
3:20
Longest dive
74
Dives
Sightings
8
Days between first and last sighting
18

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 11, 202671 m15.2°C54 m
Jan 12, 202638 m15.1°C33 m
Jan 13, 202684 m16.0°C77 m
Jan 14, 202637 m15.7°C31 m
Jan 17, 202682 m14.1°C57 m
Jan 26, 202671 m15.1°C26 m
Jan 27, 202699 m16.4°C44 m
Jan 29, 202662 m14.7°C51 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
Jan 11, 2026 — seafloor 71 m (measured), deepest dive 54 m (modelled)Jan 11Jan 12, 2026 — seafloor 38 m (measured), deepest dive 33 m (modelled)Jan 12Jan 13, 2026 — seafloor 84 m (measured), deepest dive 77 m (modelled)Jan 13Jan 14, 2026 — seafloor 37 m (measured), deepest dive 31 m (modelled)Jan 14Jan 17, 2026 — seafloor 82 m (measured), deepest dive 57 m (modelled)Jan 17Jan 26, 2026 — seafloor 71 m (measured), deepest dive 26 m (modelled)Jan 26Jan 27, 2026 — seafloor 99 m (measured), deepest dive 44 m (modelled)Jan 27Jan 29, 2026 — seafloor 62 m (measured), deepest dive 51 m (modelled)Jan 29

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

Dives

77 m
Deepest dive
3:20
Longest dive
74
Dives
20 m
Avg dive depth
8
Sightings
18
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 (84 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 13, 2026

measured
Seafloor depth
84 m
Sea-surface temperature
16.0°C
Distance from shore
8.0 km

Across the residency · 8 sightings

measured
Seafloor depth
37 m – 99 m
Sea-surface temperature
14.1°C – 16.4°C
Distance from shore
5.0 km – 14.0 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.