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

Hecate calf 2021 – Residency

3rd sighting in Salish Sea
Fluke of Hecate calf 2021
Hecate calf 2021 Confirmed in the catalog @76168
Oct 11 – 18, 2022 · Salish Sea

Salish Sea · Oct 2022

115 m
Deepest dive
4:16
Longest dive
19
Dives
Sightings
2
Days between first and last sighting
8
Deepest dive on record
115 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Oct 11, 2022160 m—115 m
Oct 18, 2022148 m—49 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
Oct 11, 2022 — seafloor 160 m (measured), deepest dive 115 m (modelled)Oct 11Oct 18, 2022 — seafloor 148 m (measured), deepest dive 49 m (modelled)Oct 18

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

Dives

115 m
Deepest dive
4:16
Longest dive
19
Dives
29 m
Avg dive depth
2
Sightings
8
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150115 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (160 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 · Oct 11, 2022

measured
Seafloor depth
160 m
Sea-surface temperature
—
Distance from shore
5.0 km

Across the residency · 2 sightings

measured
Seafloor depth
148 m – 160 m
Sea-surface temperature
—
Distance from shore
2.0 km – 5.0 km

Sources: GEBCO seafloor grid · 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).

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