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

Zionya – Residency

18th sighting in Clarence Strait
Fluke of Zionya
Zionya Confirmed in the catalog @6367
Aug 3 – Sep 17, 2024 · Clarence Strait

Clarence Strait · Aug – Sep 2024

61 m
Deepest dive
2:44
Longest dive
109
Dives
Sightings
9
Days between first and last sighting
45
Deepest dive on record
61 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 3, 202424 m12.9°C21 m
Aug 4, 202488 m12.4°C21 m
Aug 4, 202462 m11.5°C40 m
Aug 8, 2024105 m14.5°C57 m
Aug 13, 2024113 m12.9°C61 m
Aug 17, 202442 m13.5°C33 m
Aug 30, 202434 m12.6°C22 m
Sep 2, 202415 m13.6°C13 m
Sep 17, 202435 m12.3°C17 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 3, 2024 — seafloor 24 m (measured), deepest dive 21 m (modelled)Aug 3Aug 4, 2024 — seafloor 88 m (measured), deepest dive 21 m (modelled)Aug 4Aug 4, 2024 — seafloor 62 m (measured), deepest dive 40 m (modelled)Aug 4Aug 8, 2024 — seafloor 105 m (measured), deepest dive 57 m (modelled)Aug 8Aug 13, 2024 — seafloor 113 m (measured), deepest dive 61 m (modelled)Aug 13Aug 17, 2024 — seafloor 42 m (measured), deepest dive 33 m (modelled)Aug 17Aug 30, 2024 — seafloor 34 m (measured), deepest dive 22 m (modelled)Aug 30Sep 2, 2024 — seafloor 15 m (measured), deepest dive 13 m (modelled)Sep 2Sep 17, 2024 — seafloor 35 m (measured), deepest dive 17 m (modelled)Sep 17

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

Dives

61 m
Deepest dive
2:44
Longest dive
109
Dives
16 m
Avg dive depth
9
Sightings
45
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010061 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (113 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 13, 2024

measured
Seafloor depth
113 m
Sea-surface temperature
12.9°C
Distance from shore
1.0 km

Across the residency · 9 sightings

measured
Seafloor depth
15 m – 113 m
Sea-surface temperature
11.5°C – 14.5°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 9 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.