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

HW-MN0802864 – Residency

6th sighting in South Africa
Fluke of HW-MN0802864
HW-MN0802864 Confirmed in the catalog @110140
Dec 30, 2023 – Feb 18, 2024 · South Africa

South Africa · Dec 2023 – Feb 2024

76 m
Deepest dive
2:44
Longest dive
63
Dives
Sightings
6
Days between first and last sighting
50
Deepest dive on record
76 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 202312 m—8 m
Jan 6, 202461 m—18 m
Jan 13, 202495 m—57 m
Feb 9, 202480 m—24 m
Feb 13, 202472 m—62 m
Feb 18, 202483 m—76 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 30, 2023 — seafloor 12 m (measured), deepest dive 8 m (modelled)Dec 30Jan 6, 2024 — seafloor 61 m (measured), deepest dive 18 m (modelled)Jan 6Jan 13, 2024 — seafloor 95 m (measured), deepest dive 57 m (modelled)Jan 13Feb 9, 2024 — seafloor 80 m (measured), deepest dive 24 m (modelled)Feb 9Feb 13, 2024 — seafloor 72 m (measured), deepest dive 62 m (modelled)Feb 13Feb 18, 2024 — seafloor 83 m (measured), deepest dive 76 m (modelled)Feb 18

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

Dives

76 m
Deepest dive
2:44
Longest dive
63
Dives
18 m
Avg dive depth
6
Sightings
50
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010076 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (83 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 18, 2024

measured
Seafloor depth
83 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 6 sightings

measured
Seafloor depth
12 m – 95 m
Sea-surface temperature
—
Distance from shore
5.0 km – 11.0 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 6 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.