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

HW-MN0806131 – Residency

3rd sighting in South Africa
Fluke of HW-MN0806131
HW-MN0806131 Confirmed in the catalog @151594
Jan 14 – 29, 2026 · South Africa

South Africa · Jan 2026

48 m
Deepest dive
2:12
Longest dive
32
Dives
Sightings
3
Days between first and last sighting
15
Deepest dive on record
48 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 14, 202637 m15.7°C28 m
Jan 26, 202672 m14.3°C48 m
Jan 29, 202662 m14.7°C34 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 14, 2026 — seafloor 37 m (measured), deepest dive 28 m (modelled)Jan 14Jan 26, 2026 — seafloor 72 m (measured), deepest dive 48 m (modelled)Jan 26Jan 29, 2026 — seafloor 62 m (measured), deepest dive 34 m (modelled)Jan 29

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

Dives

48 m
Deepest dive
2:12
Longest dive
32
Dives
16 m
Avg dive depth
3
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255048 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (72 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 26, 2026

measured
Seafloor depth
72 m
Sea-surface temperature
14.3°C
Distance from shore
6.0 km

Across the residency · 3 sightings

measured
Seafloor depth
37 m – 72 m
Sea-surface temperature
14.3°C – 15.7°C
Distance from shore
6.0 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.