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

Asti-Spumante – Residency

17th sighting in Chatham Strait
Fluke of Asti-Spumante
Asti-Spumante Confirmed in the catalog @5328
Jun 10 – Aug 28, 2022 · Chatham Strait

Chatham Strait · Jun – Aug 2022

90 m
Deepest dive
3:35
Longest dive
139
Dives
Sightings
12
Days between first and last sighting
78

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 10, 202227 m11.1°C24 m
Jun 28, 2022465 m11.6°C42 m
Jul 14, 2022499 m13.8°C68 m
Jul 20, 202230 m13.8°C21 m
Jul 25, 2022183 m12.4°C90 m
Jul 27, 202261 m12.9°C41 m
Aug 8, 202276 m12.0°C69 m
Aug 19, 202277 m12.4°C52 m
Aug 20, 202266 m13.1°C50 m
Aug 21, 2022140 m13.5°C50 m
Aug 25, 2022215 m13.3°C66 m
Aug 28, 2022313 m13.6°C24 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 10, 2022 — seafloor 27 m (measured), deepest dive 24 m (modelled)Jun 10Jun 28, 2022 — seafloor 465 m (measured), deepest dive 42 m (modelled)Jun 28Jul 14, 2022 — seafloor 499 m (measured), deepest dive 68 m (modelled)Jul 14Jul 20, 2022 — seafloor 30 m (measured), deepest dive 21 m (modelled)Jul 20Jul 25, 2022 — seafloor 183 m (measured), deepest dive 90 m (modelled)Jul 25Jul 27, 2022 — seafloor 61 m (measured), deepest dive 41 m (modelled)Jul 27Aug 8, 2022 — seafloor 76 m (measured), deepest dive 69 m (modelled)Aug 8Aug 19, 2022 — seafloor 77 m (measured), deepest dive 52 m (modelled)Aug 19Aug 20, 2022 — seafloor 66 m (measured), deepest dive 50 m (modelled)Aug 20Aug 21, 2022 — seafloor 140 m (measured), deepest dive 50 m (modelled)Aug 21Aug 25, 2022 — seafloor 215 m (measured), deepest dive 66 m (modelled)Aug 25Aug 28, 2022 — seafloor 313 m (measured), deepest dive 24 m (modelled)Aug 28

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

Dives

90 m
Deepest dive
3:35
Longest dive
139
Dives
20 m
Avg dive depth
12
Sightings
78
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (183 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 · Jul 25, 2022

measured
Seafloor depth
183 m
Sea-surface temperature
12.4°C
Distance from shore
1.0 km

Across the residency · 12 sightings

measured
Seafloor depth
27 m – 499 m
Sea-surface temperature
11.1°C – 13.8°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 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).

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