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

HW-MN0806016 – Residency

5th sighting in South Africa
Fluke of HW-MN0806016
HW-MN0806016 Confirmed in the catalog @151204
Jan 5 – 27, 2026 · South Africa

South Africa · Jan 2026

86 m
Deepest dive
3:02
Longest dive
61
Dives
Sightings
5
Days between first and last sighting
22
Deepest dive on record
86 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 5, 202682 m14.8°C27 m
Jan 5, 202665 m14.8°C56 m
Jan 6, 202693 m15.2°C61 m
Jan 26, 202669 m14.3°C51 m
Jan 27, 202699 m16.4°C86 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 5, 2026 — seafloor 82 m (measured), deepest dive 27 m (modelled)Jan 5Jan 5, 2026 — seafloor 65 m (measured), deepest dive 56 m (modelled)Jan 5Jan 6, 2026 — seafloor 93 m (measured), deepest dive 61 m (modelled)Jan 6Jan 26, 2026 — seafloor 69 m (measured), deepest dive 51 m (modelled)Jan 26Jan 27, 2026 — seafloor 99 m (measured), deepest dive 86 m (modelled)Jan 27

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

Dives

86 m
Deepest dive
3:02
Longest dive
61
Dives
26 m
Avg dive depth
5
Sightings
22
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010086 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (99 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 27, 2026

measured
Seafloor depth
99 m
Sea-surface temperature
16.4°C
Distance from shore
11.0 km

Across the residency · 5 sightings

measured
Seafloor depth
65 m – 99 m
Sea-surface temperature
14.3°C – 16.4°C
Distance from shore
6.0 km – 11.0 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 5 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.