Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Chatham Strait

Launaana – Residency

75th sighting in Chatham Strait
Fluke of Launaana
Launaana Confirmed in the catalog @6332
Jun 24 – Aug 21, 2024 · Chatham Strait

Chatham Strait · Jun – Aug 2024

156 m
Deepest dive
6:00
Longest dive
132
Dives
Sightings
13
Days between first and last sighting
58

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 24, 202418 m11.2°C15 m
Jul 9, 202458 m12.1°C35 m
Jul 10, 202477 m11.7°C57 m
Jul 11, 202495 m10.1°C79 m
Jul 25, 202432 m9.7°C20 m
Jul 29, 202454 m9.8°C42 m
Aug 6, 2024182 m15.0°C45 m
Aug 7, 202488 m13.1°C72 m
Aug 8, 2024100 m12.9°C81 m
Aug 8, 202486 m12.8°C71 m
Aug 8, 202443 m12.9°C35 m
Aug 11, 20247 m12.3°C5 m
Aug 21, 2024312 m10.8°C156 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 24, 2024 — seafloor 18 m (measured), deepest dive 15 m (modelled)Jun 24Jul 9, 2024 — seafloor 58 m (measured), deepest dive 35 m (modelled)Jul 10, 2024 — seafloor 77 m (measured), deepest dive 57 m (modelled)Jul 11, 2024 — seafloor 95 m (measured), deepest dive 79 m (modelled)Jul 11Jul 25, 2024 — seafloor 32 m (measured), deepest dive 20 m (modelled)Jul 29, 2024 — seafloor 54 m (measured), deepest dive 42 m (modelled)Aug 6, 2024 — seafloor 182 m (measured), deepest dive 45 m (modelled)Aug 6Aug 7, 2024 — seafloor 88 m (measured), deepest dive 72 m (modelled)Aug 8, 2024 — seafloor 100 m (measured), deepest dive 81 m (modelled)Aug 8, 2024 — seafloor 86 m (measured), deepest dive 71 m (modelled)Aug 8Aug 8, 2024 — seafloor 43 m (measured), deepest dive 35 m (modelled)Aug 11, 2024 — seafloor 7 m (measured), deepest dive 5 m (modelled)Aug 21, 2024 — seafloor 312 m (measured), deepest dive 156 m (modelled)Aug 21

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

Dives

156 m
Deepest dive
6:00
Longest dive
132
Dives
25 m
Avg dive depth
13
Sightings
58
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200156 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (312 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 · Aug 21, 2024

measured
Seafloor depth
312 m
Sea-surface temperature
10.8°C
Distance from shore
4.0 km

Across the residency · 13 sightings

measured
Seafloor depth
7 m – 312 m
Sea-surface temperature
9.7°C – 15.0°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 13 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.