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

Launaana – Residency

11th sighting in Chatham Strait
Fluke of Launaana
Launaana Confirmed in the catalog @6332
Jul 11 – Aug 15, 2019 · Chatham Strait

Chatham Strait · Jul – Aug 2019

72 m
Deepest dive
2:46
Longest dive
83
Dives
Sightings
6
Days between first and last sighting
35

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 11, 201988 m12.6°C72 m
Jul 21, 201956 m13.1°C48 m
Jul 25, 201964 m13.4°C52 m
Jul 26, 201954 m11.8°C41 m
Aug 12, 2019-880 m——
Aug 15, 201988 m12.8°C39 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
Jul 11, 2019 — seafloor 88 m (measured), deepest dive 72 m (modelled)Jul 11Jul 21, 2019 — seafloor 56 m (measured), deepest dive 48 m (modelled)Jul 21Jul 25, 2019 — seafloor 64 m (measured), deepest dive 52 m (modelled)Jul 25Jul 26, 2019 — seafloor 54 m (measured), deepest dive 41 m (modelled)Jul 26Aug 12, 2019 — seafloor -880 m (measured), deepest dive — (modelled)Aug 12Aug 15, 2019 — seafloor 88 m (measured), deepest dive 39 m (modelled)Aug 15

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

Dives

72 m
Deepest dive
2:46
Longest dive
83
Dives
19 m
Avg dive depth
6
Sightings
35
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (88 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 11, 2019

measured
Seafloor depth
88 m
Sea-surface temperature
12.6°C
Distance from shore
2.0 km

Across the residency · 6 sightings

measured
Seafloor depth
-880 m – 88 m
Sea-surface temperature
11.8°C – 13.4°C
Distance from shore
1.0 km – 3.0 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.