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

HW-MN0802864 – Residency

14th sighting in South Africa
Fluke of HW-MN0802864
HW-MN0802864 Confirmed in the catalog @110140
Nov 3 – Dec 28, 2024 · South Africa

South Africa · Nov – Dec 2024

57 m
Deepest dive
2:00
Longest dive
55
Dives
Sightings
8
Days between first and last sighting
55

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 3, 202491 m—57 m
Nov 5, 202461 m—42 m
Nov 17, 202459 m—37 m
Dec 2, 202459 m—38 m
Dec 12, 202441 m—21 m
Dec 12, 202442 m—38 m
Dec 14, 202478 m—25 m
Dec 28, 202452 m—43 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 57 m (modelled)Nov 3Nov 5, 2024 — seafloor 61 m (measured), deepest dive 42 m (modelled)Nov 5Nov 17, 2024 — seafloor 59 m (measured), deepest dive 37 m (modelled)Nov 17Dec 2, 2024 — seafloor 59 m (measured), deepest dive 38 m (modelled)Dec 2Dec 12, 2024 — seafloor 41 m (measured), deepest dive 21 m (modelled)Dec 12Dec 12, 2024 — seafloor 42 m (measured), deepest dive 38 m (modelled)Dec 12Dec 14, 2024 — seafloor 78 m (measured), deepest dive 25 m (modelled)Dec 14Dec 28, 2024 — seafloor 52 m (measured), deepest dive 43 m (modelled)Dec 28

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

Dives

57 m
Deepest dive
2:00
Longest dive
55
Dives
19 m
Avg dive depth
8
Sightings
55
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010057 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 · 8 sightings

measured
Seafloor depth
41 m – 91 m
Sea-surface temperature
—
Distance from shore
2.0 km – 13.0 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 8 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.