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

Black & White – Residency

3rd sighting in South Africa
Fluke of Black & White
Black & White Confirmed in the catalog @85776
Oct 31 – Dec 17, 2024 · South Africa

South Africa · Oct – Dec 2024

82 m
Deepest dive
4:00
Longest dive
51
Dives
Sightings
4
Days between first and last sighting
47
Deepest dive on record
82 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 31, 202493 m—82 m
Nov 25, 202446 m—40 m
Dec 16, 202457 m—43 m
Dec 17, 202476 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
Oct 31, 2024 — seafloor 93 m (measured), deepest dive 82 m (modelled)Oct 31Nov 25, 2024 — seafloor 46 m (measured), deepest dive 40 m (modelled)Nov 25Dec 16, 2024 — seafloor 57 m (measured), deepest dive 43 m (modelled)Dec 16Dec 17, 2024 — seafloor 76 m (measured), deepest dive 43 m (modelled)Dec 17

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

Dives

82 m
Deepest dive
4:00
Longest dive
51
Dives
20 m
Avg dive depth
4
Sightings
47
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010082 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 · Oct 31, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
46 m – 93 m
Sea-surface temperature
—
Distance from shore
2.0 km – 19.0 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.