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

Parcheesy – Residency

5th sighting in Chatham Strait
Fluke of Parcheesy
Parcheesy Confirmed in the catalog @16919
Jun 18 – Aug 28, 2021 · Chatham Strait

Chatham Strait · Jun – Aug 2021

104 m
Deepest dive
3:38
Longest dive
111
Dives
Sightings
6
Days between first and last sighting
71

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 18, 2021140 m11.3°C67 m
Jun 19, 2021140 m11.7°C104 m
Jul 7, 2021103 m11.4°C67 m
Jul 29, 202182 m13.8°C55 m
Aug 8, 2021116 m15.6°C70 m
Aug 28, 2021120 m12.6°C84 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, 2021 — seafloor 140 m (measured), deepest dive 67 m (modelled)Jun 18Jun 19, 2021 — seafloor 140 m (measured), deepest dive 104 m (modelled)Jun 19Jul 7, 2021 — seafloor 103 m (measured), deepest dive 67 m (modelled)Jul 7Jul 29, 2021 — seafloor 82 m (measured), deepest dive 55 m (modelled)Jul 29Aug 8, 2021 — seafloor 116 m (measured), deepest dive 70 m (modelled)Aug 8Aug 28, 2021 — seafloor 120 m (measured), deepest dive 84 m (modelled)Aug 28

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

Dives

104 m
Deepest dive
3:38
Longest dive
111
Dives
27 m
Avg dive depth
6
Sightings
71
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (140 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.

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Place

Where this happened · Jun 19, 2021

measured
Seafloor depth
140 m
Sea-surface temperature
11.7°C
Distance from shore
6.0 km

Across the residency · 6 sightings

measured
Seafloor depth
82 m – 140 m
Sea-surface temperature
11.3°C – 15.6°C
Distance from shore
1.0 km – 6.0 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 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).

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