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

HW-MN0806176 – Residency

2nd sighting in South Africa
Fluke of HW-MN0806176
HW-MN0806176 Confirmed in the catalog @151990
Feb 7 – 10, 2026 · South Africa

South Africa · Feb 2026

63 m
Deepest dive
2:33
Longest dive
41
Dives
Sightings
2
Days between first and last sighting
3
Deepest dive on record
63 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 7, 202681 m16.8°C24 m
Feb 10, 202676 m16.2°C63 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
Feb 7, 2026 — seafloor 81 m (measured), deepest dive 24 m (modelled)Feb 7Feb 10, 2026 — seafloor 76 m (measured), deepest dive 63 m (modelled)Feb 10

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

Dives

63 m
Deepest dive
2:33
Longest dive
41
Dives
18 m
Avg dive depth
2
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010063 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (76 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 10, 2026

measured
Seafloor depth
76 m
Sea-surface temperature
16.2°C
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
76 m – 81 m
Sea-surface temperature
16.2°C – 16.8°C
Distance from shore
4.0 km – 5.0 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 2 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.