Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0806036 – Residency

3rd sighting in South Africa
Fluke of HW-MN0806036
HW-MN0806036 Confirmed in the catalog @151245
Jan 11 – 17, 2026 · South Africa

South Africa · Jan 2026

72 m
Deepest dive
3:29
Longest dive
32
Dives
Sightings
3
Days between first and last sighting
6
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)
Jan 11, 202671 m15.2°C57 m
Jan 13, 202669 m16.0°C48 m
Jan 17, 202682 m14.1°C72 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 57 m (modelled)Jan 11Jan 13, 2026 — seafloor 69 m (measured), deepest dive 48 m (modelled)Jan 13Jan 17, 2026 — seafloor 82 m (measured), deepest dive 72 m (modelled)Jan 17

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

Dives

72 m
Deepest dive
3:29
Longest dive
32
Dives
24 m
Avg dive depth
3
Sightings
6
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 (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 17, 2026

measured
Seafloor depth
82 m
Sea-surface temperature
14.1°C
Distance from shore
9.0 km

Across the residency · 3 sightings

measured
Seafloor depth
69 m – 82 m
Sea-surface temperature
14.1°C – 16.0°C
Distance from shore
4.0 km – 9.0 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 3 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.