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

HW-MN0802103 – Residency

10th sighting in South Africa
Fluke of HW-MN0802103
HW-MN0802103 Confirmed in the catalog @91065
Nov 17, 2023 – Jan 16, 2024 · South Africa

South Africa · Nov 2023 – Jan 2024

69 m
Deepest dive
3:11
Longest dive
60
Dives
Sightings
8
Days between first and last sighting
60
Deepest dive on record
69 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 17, 202361 m—53 m
Nov 26, 202395 m—23 m
Dec 23, 202356 m—37 m
Jan 6, 202461 m—46 m
Jan 7, 202481 m—24 m
Jan 11, 202494 m—65 m
Jan 11, 202493 m—69 m
Jan 16, 202425 m—18 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 17, 2023 — seafloor 61 m (measured), deepest dive 53 m (modelled)Nov 17Nov 26, 2023 — seafloor 95 m (measured), deepest dive 23 m (modelled)Nov 26Dec 23, 2023 — seafloor 56 m (measured), deepest dive 37 m (modelled)Dec 23Jan 6, 2024 — seafloor 61 m (measured), deepest dive 46 m (modelled)Jan 6Jan 7, 2024 — seafloor 81 m (measured), deepest dive 24 m (modelled)Jan 7Jan 11, 2024 — seafloor 94 m (measured), deepest dive 65 m (modelled)Jan 11Jan 11, 2024 — seafloor 93 m (measured), deepest dive 69 m (modelled)Jan 11Jan 16, 2024 — seafloor 25 m (measured), deepest dive 18 m (modelled)Jan 16

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

Dives

69 m
Deepest dive
3:11
Longest dive
60
Dives
18 m
Avg dive depth
8
Sightings
60
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010069 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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 11, 2024

measured
Seafloor depth
93 m
Sea-surface temperature
—
Distance from shore
10.0 km

Across the residency · 8 sightings

measured
Seafloor depth
25 m – 95 m
Sea-surface temperature
—
Distance from shore
2.0 km – 10.0 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.