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Chatham Strait

Launaana – Residency

91st sighting in Chatham Strait
Fluke of Launaana
Launaana Confirmed in the catalog @6332
Jun 29 – Oct 1, 2025 · Chatham Strait

Chatham Strait · Jun – Oct 2025

139 m
Deepest dive
5:12
Longest dive
195
Dives
Sightings
17
Days between first and last sighting
94

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 202594 m12.3°C69 m
Jul 5, 2025165 m11.5°C26 m
Jul 16, 2025157 m12.4°C86 m
Jul 19, 2025158 m12.2°C139 m
Jul 22, 2025115 m13.5°C80 m
Jul 24, 2025157 m13.7°C95 m
Jul 24, 202598 m13.6°C74 m
Jul 25, 202576 m12.8°C60 m
Aug 1, 202522 m14.1°C19 m
Aug 4, 202521 m13.4°C19 m
Aug 15, 202535 m13.9°C32 m
Aug 16, 2025355 m14.5°C41 m
Aug 22, 2025175 m13.6°C101 m
Aug 23, 202572 m14.3°C39 m
Aug 24, 202586 m15.1°C79 m
Aug 26, 202536 m14.7°C28 m
Oct 1, 2025-21 m10.9°C—

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, 2025 — seafloor 94 m (measured), deepest dive 69 m (modelled)Jun 29Jul 5, 2025 — seafloor 165 m (measured), deepest dive 26 m (modelled)Jul 16, 2025 — seafloor 157 m (measured), deepest dive 86 m (modelled)Jul 19, 2025 — seafloor 158 m (measured), deepest dive 139 m (modelled)Jul 19Jul 22, 2025 — seafloor 115 m (measured), deepest dive 80 m (modelled)Jul 24, 2025 — seafloor 157 m (measured), deepest dive 95 m (modelled)Jul 24, 2025 — seafloor 98 m (measured), deepest dive 74 m (modelled)Jul 24Jul 25, 2025 — seafloor 76 m (measured), deepest dive 60 m (modelled)Aug 1, 2025 — seafloor 22 m (measured), deepest dive 19 m (modelled)Aug 4, 2025 — seafloor 21 m (measured), deepest dive 19 m (modelled)Aug 4Aug 15, 2025 — seafloor 35 m (measured), deepest dive 32 m (modelled)Aug 16, 2025 — seafloor 355 m (measured), deepest dive 41 m (modelled)Aug 22, 2025 — seafloor 175 m (measured), deepest dive 101 m (modelled)Aug 22Aug 23, 2025 — seafloor 72 m (measured), deepest dive 39 m (modelled)Aug 24, 2025 — seafloor 86 m (measured), deepest dive 79 m (modelled)Aug 26, 2025 — seafloor 36 m (measured), deepest dive 28 m (modelled)Aug 26Oct 1, 2025 — seafloor -21 m (measured), deepest dive — (modelled)

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

Dives

139 m
Deepest dive
5:12
Longest dive
195
Dives
23 m
Avg dive depth
17
Sightings
94
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150139 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (158 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 19, 2025

measured
Seafloor depth
158 m
Sea-surface temperature
12.2°C
Distance from shore
4.0 km

Across the residency · 17 sightings

measured
Seafloor depth
-21 m – 355 m
Sea-surface temperature
10.9°C – 15.1°C
Distance from shore
1.0 km – 8.0 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 17 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.