Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Salish Sea

Roller – Residency

6th sighting in Salish Sea
Fluke of Roller
Roller Confirmed in the catalog @56060
Aug 18 – Sep 30, 2024 · Salish Sea

Salish Sea · Aug – Sep 2024

48 m
Deepest dive
2:26
Longest dive
19
Dives
Sightings
2
Days between first and last sighting
43

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 18, 2024119 m12.3°C42 m
Sep 30, 2024145 m10.4°C48 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
Aug 18, 2024 — seafloor 119 m (measured), deepest dive 42 m (modelled)Aug 18Sep 30, 2024 — seafloor 145 m (measured), deepest dive 48 m (modelled)Sep 30

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

Dives

48 m
Deepest dive
2:26
Longest dive
19
Dives
23 m
Avg dive depth
2
Sightings
43
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255048 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (145 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 · Sep 30, 2024

measured
Seafloor depth
145 m
Sea-surface temperature
10.4°C
Distance from shore
6.0 km

Across the residency · 2 sightings

measured
Seafloor depth
119 m – 145 m
Sea-surface temperature
10.4°C – 12.3°C
Distance from shore
5.0 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 2 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.