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

HW-MN0802793 – Residency

6th sighting in South Africa
Fluke of HW-MN0802793
HW-MN0802793 Confirmed in the catalog @108954
Nov 26, 2023 – Feb 19, 2024 · South Africa

South Africa · Nov 2023 – Feb 2024

71 m
Deepest dive
3:16
Longest dive
77
Dives
Sightings
6
Days between first and last sighting
85
Deepest dive on record
71 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Nov 26, 202395 m—40 m
Dec 17, 202356 m—46 m
Dec 20, 202342 m—31 m
Jan 13, 202436 m—21 m
Feb 18, 202480 m—62 m
Feb 19, 202483 m—71 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 26, 2023 — seafloor 95 m (measured), deepest dive 40 m (modelled)Nov 26Dec 17, 2023 — seafloor 56 m (measured), deepest dive 46 m (modelled)Dec 17Dec 20, 2023 — seafloor 42 m (measured), deepest dive 31 m (modelled)Dec 20Jan 13, 2024 — seafloor 36 m (measured), deepest dive 21 m (modelled)Jan 13Feb 18, 2024 — seafloor 80 m (measured), deepest dive 62 m (modelled)Feb 18Feb 19, 2024 — seafloor 83 m (measured), deepest dive 71 m (modelled)Feb 19

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

Dives

71 m
Deepest dive
3:16
Longest dive
77
Dives
19 m
Avg dive depth
6
Sightings
85
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 (83 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 · Feb 19, 2024

measured
Seafloor depth
83 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 6 sightings

measured
Seafloor depth
36 m – 95 m
Sea-surface temperature
—
Distance from shore
3.0 km – 11.0 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 6 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.