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

Poniuniu – Residency

17th sighting in Chatham Strait
Fluke of Poniuniu
Poniuniu Confirmed in the catalog @6471
Jun 29 – Aug 11, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

115 m
Deepest dive
5:42
Longest dive
59
Dives
Sightings
6
Days between first and last sighting
43

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 2024334 m—115 m
Jul 3, 202470 m—47 m
Jul 5, 202411 m—9 m
Jul 25, 2024100 m—76 m
Jul 29, 202455 m—50 m
Aug 11, 20247 m—6 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 29, 2024 — seafloor 334 m (measured), deepest dive 115 m (modelled)Jun 29Jul 3, 2024 — seafloor 70 m (measured), deepest dive 47 m (modelled)Jul 3Jul 5, 2024 — seafloor 11 m (measured), deepest dive 9 m (modelled)Jul 5Jul 25, 2024 — seafloor 100 m (measured), deepest dive 76 m (modelled)Jul 25Jul 29, 2024 — seafloor 55 m (measured), deepest dive 50 m (modelled)Jul 29Aug 11, 2024 — seafloor 7 m (measured), deepest dive 6 m (modelled)Aug 11

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

Dives

115 m
Deepest dive
5:42
Longest dive
59
Dives
20 m
Avg dive depth
6
Sightings
43
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150115 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (334 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 · Jun 29, 2024

measured
Seafloor depth
334 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
7 m – 334 m
Sea-surface temperature
—
Distance from shore
1.0 km – 4.0 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.