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

HW-MN0801319 – Residency

14th sighting in South Africa
Fluke of HW-MN0801319
HW-MN0801319 Confirmed in the catalog @83902
Oct 31, 2023 – Jan 20, 2024 · South Africa

South Africa · Oct 2023 – Jan 2024

73 m
Deepest dive
3:22
Longest dive
156
Dives
Sightings
12
Days between first and last sighting
81
Deepest dive on record
73 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Oct 31, 202332 m—28 m
Nov 19, 202331 m—23 m
Nov 19, 202349 m—41 m
Dec 1, 202330 m—26 m
Dec 4, 2023146 m—34 m
Jan 2, 202479 m—24 m
Jan 6, 202461 m—51 m
Jan 11, 202497 m—60 m
Jan 12, 202484 m—73 m
Jan 13, 202453 m—38 m
Jan 16, 202425 m—22 m
Jan 20, 202490 m—73 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, 2023 — seafloor 32 m (measured), deepest dive 28 m (modelled)Oct 31Nov 19, 2023 — seafloor 31 m (measured), deepest dive 23 m (modelled)Nov 19Nov 19, 2023 — seafloor 49 m (measured), deepest dive 41 m (modelled)Nov 19Dec 1, 2023 — seafloor 30 m (measured), deepest dive 26 m (modelled)Dec 1Dec 4, 2023 — seafloor 146 m (measured), deepest dive 34 m (modelled)Dec 4Jan 2, 2024 — seafloor 79 m (measured), deepest dive 24 m (modelled)Jan 2Jan 6, 2024 — seafloor 61 m (measured), deepest dive 51 m (modelled)Jan 6Jan 11, 2024 — seafloor 97 m (measured), deepest dive 60 m (modelled)Jan 11Jan 12, 2024 — seafloor 84 m (measured), deepest dive 73 m (modelled)Jan 12Jan 13, 2024 — seafloor 53 m (measured), deepest dive 38 m (modelled)Jan 13Jan 16, 2024 — seafloor 25 m (measured), deepest dive 22 m (modelled)Jan 16Jan 20, 2024 — seafloor 90 m (measured), deepest dive 73 m (modelled)Jan 20

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

Dives

73 m
Deepest dive
3:22
Longest dive
156
Dives
18 m
Avg dive depth
12
Sightings
81
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010073 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (84 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 · Jan 12, 2024

measured
Seafloor depth
84 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 12 sightings

measured
Seafloor depth
25 m – 146 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 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 12 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.