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South Africa

HW-MN0801317 – Residency

31st sighting in South Africa
Fluke of HW-MN0801317
HW-MN0801317 Confirmed in the catalog @83900
Nov 2, 2025 – Jan 5, 2026 · South Africa

South Africa · Nov 2025 – Jan 2026

72 m
Deepest dive
3:20
Longest dive
92
Dives
Sightings
10
Days between first and last sighting
64
Deepest dive on record
72 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 2, 202594 m—70 m
Dec 27, 202562 m—40 m
Dec 28, 202561 m—55 m
Dec 28, 202581 m—47 m
Dec 29, 202561 m—24 m
Dec 29, 202545 m—37 m
Dec 30, 202546 m—21 m
Dec 31, 202545 m—20 m
Jan 2, 202684 m15.6°C72 m
Jan 5, 202682 m14.8°C60 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 2, 2025 — seafloor 94 m (measured), deepest dive 70 m (modelled)Nov 2Dec 27, 2025 — seafloor 62 m (measured), deepest dive 40 m (modelled)Dec 27Dec 28, 2025 — seafloor 61 m (measured), deepest dive 55 m (modelled)Dec 28Dec 28, 2025 — seafloor 81 m (measured), deepest dive 47 m (modelled)Dec 28Dec 29, 2025 — seafloor 61 m (measured), deepest dive 24 m (modelled)Dec 29Dec 29, 2025 — seafloor 45 m (measured), deepest dive 37 m (modelled)Dec 29Dec 30, 2025 — seafloor 46 m (measured), deepest dive 21 m (modelled)Dec 30Dec 31, 2025 — seafloor 45 m (measured), deepest dive 20 m (modelled)Dec 31Jan 2, 2026 — seafloor 84 m (measured), deepest dive 72 m (modelled)Jan 2Jan 5, 2026 — seafloor 82 m (measured), deepest dive 60 m (modelled)Jan 5

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

Dives

72 m
Deepest dive
3:20
Longest dive
92
Dives
19 m
Avg dive depth
10
Sightings
64
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010072 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 2, 2026

measured
Seafloor depth
84 m
Sea-surface temperature
15.6°C
Distance from shore
14.0 km

Across the residency · 10 sightings

measured
Seafloor depth
45 m – 94 m
Sea-surface temperature
14.8°C – 15.6°C
Distance from shore
3.0 km – 19.0 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.