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

HW-MN0802092 – Residency

7th sighting in South Africa
Fluke of HW-MN0802092
HW-MN0802092 Confirmed in the catalog @91054
Dec 1, 2023 – Jan 11, 2024 · South Africa

South Africa · Dec 2023 – Jan 2024

108 m
Deepest dive
3:48
Longest dive
131
Dives
Sightings
7
Days between first and last sighting
41
Deepest dive on record
108 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 1, 202356 m—38 m
Dec 1, 202330 m—27 m
Dec 4, 2023146 m—108 m
Jan 2, 202479 m—64 m
Jan 4, 202466 m—50 m
Jan 6, 202461 m—13 m
Jan 11, 202497 m—49 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
Dec 1, 2023 — seafloor 56 m (measured), deepest dive 38 m (modelled)Dec 1Dec 1, 2023 — seafloor 30 m (measured), deepest dive 27 m (modelled)Dec 1Dec 4, 2023 — seafloor 146 m (measured), deepest dive 108 m (modelled)Dec 4Jan 2, 2024 — seafloor 79 m (measured), deepest dive 64 m (modelled)Jan 2Jan 4, 2024 — seafloor 66 m (measured), deepest dive 50 m (modelled)Jan 4Jan 6, 2024 — seafloor 61 m (measured), deepest dive 13 m (modelled)Jan 6Jan 11, 2024 — seafloor 97 m (measured), deepest dive 49 m (modelled)Jan 11

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

Dives

108 m
Deepest dive
3:48
Longest dive
131
Dives
20 m
Avg dive depth
7
Sightings
41
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150108 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (146 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 · Dec 4, 2023

measured
Seafloor depth
146 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 7 sightings

measured
Seafloor depth
30 m – 146 m
Sea-surface temperature
—
Distance from shore
6.0 km – 16.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 7 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.