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

HW-MN0804680 – Residency

3rd sighting in South Africa
Fluke of HW-MN0804680
HW-MN0804680 Confirmed in the catalog @132852
Dec 28, 2024 – Jan 13, 2025 · South Africa

South Africa · Dec 2024 – Jan 2025

32 m
Deepest dive
1:43
Longest dive
15
Dives
Sightings
3
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 28, 2024-3 m——
Jan 4, 202555 m—27 m
Jan 13, 202596 m—32 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 28, 2024 — seafloor -3 m (measured), deepest dive — (modelled)Dec 28Jan 4, 2025 — seafloor 55 m (measured), deepest dive 27 m (modelled)Jan 4Jan 13, 2025 — seafloor 96 m (measured), deepest dive 32 m (modelled)Jan 13

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

Dives

32 m
Deepest dive
1:43
Longest dive
15
Dives
16 m
Avg dive depth
3
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255032 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (96 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 13, 2025

measured
Seafloor depth
96 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 3 sightings

measured
Seafloor depth
-3 m – 96 m
Sea-surface temperature
—
Distance from shore
4.0 km – 8.0 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 3 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.