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

HW-MN0800065 – Residency

5th sighting in South Africa
Fluke of HW-MN0800065
HW-MN0800065 Confirmed in the catalog @35450
Nov 3 – 17, 2024 · South Africa

South Africa · Nov 2024

61 m
Deepest dive
2:16
Longest dive
81
Dives
Sightings
4
Days between first and last sighting
14
Deepest dive on record
61 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 3, 202491 m—61 m
Nov 5, 202482 m—21 m
Nov 17, 202459 m—49 m
Nov 17, 202459 m—51 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
Nov 3, 2024 — seafloor 91 m (measured), deepest dive 61 m (modelled)Nov 3Nov 5, 2024 — seafloor 82 m (measured), deepest dive 21 m (modelled)Nov 5Nov 17, 2024 — seafloor 59 m (measured), deepest dive 49 m (modelled)Nov 17Nov 17, 2024 — seafloor 59 m (measured), deepest dive 51 m (modelled)Nov 17

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

Dives

61 m
Deepest dive
2:16
Longest dive
81
Dives
18 m
Avg dive depth
4
Sightings
14
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010061 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (91 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 · Nov 3, 2024

measured
Seafloor depth
91 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 4 sightings

measured
Seafloor depth
59 m – 91 m
Sea-surface temperature
—
Distance from shore
5.0 km – 25.0 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 4 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.