Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Maganda – Residency

29th sighting in Chatham Strait
Fluke of Maganda
Maganda Confirmed in the catalog @13767
Jun 18 – Aug 13, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

78 m
Deepest dive
3:54
Longest dive
70
Dives
Sightings
8
Days between first and last sighting
57

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 18, 202473 m11.0°C57 m
Jun 20, 202477 m10.8°C67 m
Jun 26, 202426 m10.5°C16 m
Jun 29, 2024334 m10.3°C62 m
Jul 3, 202470 m10.6°C19 m
Jul 5, 202411 m10.7°C7 m
Aug 10, 202443 m12.8°C37 m
Aug 13, 202495 m12.9°C78 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
Jun 18, 2024 — seafloor 73 m (measured), deepest dive 57 m (modelled)Jun 18Jun 20, 2024 — seafloor 77 m (measured), deepest dive 67 m (modelled)Jun 20Jun 26, 2024 — seafloor 26 m (measured), deepest dive 16 m (modelled)Jun 26Jun 29, 2024 — seafloor 334 m (measured), deepest dive 62 m (modelled)Jun 29Jul 3, 2024 — seafloor 70 m (measured), deepest dive 19 m (modelled)Jul 3Jul 5, 2024 — seafloor 11 m (measured), deepest dive 7 m (modelled)Jul 5Aug 10, 2024 — seafloor 43 m (measured), deepest dive 37 m (modelled)Aug 10Aug 13, 2024 — seafloor 95 m (measured), deepest dive 78 m (modelled)Aug 13

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

Dives

78 m
Deepest dive
3:54
Longest dive
70
Dives
19 m
Avg dive depth
8
Sightings
57
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010078 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (95 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 · Aug 13, 2024

measured
Seafloor depth
95 m
Sea-surface temperature
12.9°C
Distance from shore
1.0 km

Across the residency · 8 sightings

measured
Seafloor depth
11 m – 334 m
Sea-surface temperature
10.3°C – 12.9°C
Distance from shore
1.0 km – 4.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 8 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.