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

HW-MN0800288 – Residency

2nd sighting in South Africa
Fluke of HW-MN0800288
HW-MN0800288 Confirmed in the catalog @54208
Dec 10, 2020 – Jan 23, 2021 · South Africa

South Africa · Dec 2020 – Jan 2021

86 m
Deepest dive
2:46
Longest dive
17
Dives
Sightings
2
Days between first and last sighting
44
Deepest dive on record
86 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 10, 202073 m—51 m
Jan 23, 202196 m—86 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 10, 2020 — seafloor 73 m (measured), deepest dive 51 m (modelled)Dec 10Jan 23, 2021 — seafloor 96 m (measured), deepest dive 86 m (modelled)Jan 23

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

Dives

86 m
Deepest dive
2:46
Longest dive
17
Dives
27 m
Avg dive depth
2
Sightings
44
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010086 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 23, 2021

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

Across the residency · 2 sightings

measured
Seafloor depth
73 m – 96 m
Sea-surface temperature
—
Distance from shore
5.0 km – 7.0 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 2 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.