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

HW-MN0802796 – Residency

5th sighting in South Africa
Fluke of HW-MN0802796
HW-MN0802796 Confirmed in the catalog @108957
Nov 26, 2023 – Jan 28, 2024 · South Africa

South Africa · Nov 2023 – Jan 2024

83 m
Deepest dive
5:13
Longest dive
56
Dives
Sightings
5
Days between first and last sighting
63
Deepest dive on record
83 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 26, 202395 m—83 m
Nov 26, 202395 m—78 m
Jan 13, 202453 m—44 m
Jan 26, 202490 m—76 m
Jan 28, 202494 m—77 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 26, 2023 — seafloor 95 m (measured), deepest dive 83 m (modelled)Nov 26Nov 26, 2023 — seafloor 95 m (measured), deepest dive 78 m (modelled)Nov 26Jan 13, 2024 — seafloor 53 m (measured), deepest dive 44 m (modelled)Jan 13Jan 26, 2024 — seafloor 90 m (measured), deepest dive 76 m (modelled)Jan 26Jan 28, 2024 — seafloor 94 m (measured), deepest dive 77 m (modelled)Jan 28

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

Dives

83 m
Deepest dive
5:13
Longest dive
56
Dives
27 m
Avg dive depth
5
Sightings
63
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010083 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (95 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 26, 2023

measured
Seafloor depth
95 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 5 sightings

measured
Seafloor depth
53 m – 95 m
Sea-surface temperature
—
Distance from shore
3.0 km – 5.0 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 5 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.