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

HW-MN0804211 – Residency

3rd sighting in South Africa
Fluke of HW-MN0804211
HW-MN0804211 Confirmed in the catalog @127604
Nov 3 – 17, 2024 · South Africa

South Africa · Nov 2024

48 m
Deepest dive
2:09
Longest dive
34
Dives
Sightings
3
Days between first and last sighting
14

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Nov 3, 202491 m—48 m
Nov 17, 202459 m—35 m
Nov 17, 202459 m—37 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 3, 2024 — seafloor 91 m (measured), deepest dive 48 m (modelled)Nov 3Nov 17, 2024 — seafloor 59 m (measured), deepest dive 35 m (modelled)Nov 17Nov 17, 2024 — seafloor 59 m (measured), deepest dive 37 m (modelled)Nov 17

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

Dives

48 m
Deepest dive
2:09
Longest dive
34
Dives
18 m
Avg dive depth
3
Sightings
14
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255048 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (91 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.

Unlock with Risa Deep

Place

Where this happened · Nov 3, 2024

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

Across the residency · 3 sightings

measured
Seafloor depth
59 m – 91 m
Sea-surface temperature
—
Distance from shore
5.0 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 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.