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

HW-MN0801620 – Residency

2nd sighting in South Africa
Fluke of HW-MN0801620
HW-MN0801620 Confirmed in the catalog @85735
Nov 2, 2002 – Jan 14, 2003 · South Africa

South Africa · Nov 2002 – Jan 2003

71 m
Deepest dive
3:08
Longest dive
20
Dives
Sightings
2
Days between first and last sighting
73
Deepest dive on record
71 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 2, 2002144 m—71 m
Jan 14, 200379 m—47 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 2, 2002 — seafloor 144 m (measured), deepest dive 71 m (modelled)Nov 2Jan 14, 2003 — seafloor 79 m (measured), deepest dive 47 m (modelled)Jan 14

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

Dives

71 m
Deepest dive
3:08
Longest dive
20
Dives
23 m
Avg dive depth
2
Sightings
73
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010071 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (144 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 2, 2002

measured
Seafloor depth
144 m
Sea-surface temperature
—
Distance from shore
13.0 km

Across the residency · 2 sightings

measured
Seafloor depth
79 m – 144 m
Sea-surface temperature
—
Distance from shore
8.0 km – 13.0 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.