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Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
North Pacific

Twitch – Residency

Fluke of Twitch
Twitch Confirmed in the catalog @39550
Sep 19 – Oct 27, 2023 · North Pacific

North Pacific · Sep – Oct 2023

199 m
Deepest dive
7:57
Longest dive
132
Dives
Sightings
11
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Sep 19, 2023883 m20.8°C54 m
Sep 21, 2023876 m19.9°C199 m
Oct 12, 2023875 m20.2°C85 m
Oct 13, 2023374 m19.7°C160 m
Oct 14, 2023384 m20.6°C116 m
Oct 14, 2023875 m20.6°C87 m
Oct 14, 2023366 m20.6°C104 m
Oct 18, 2023875 m20.1°C30 m
Oct 22, 2023875 m20.6°C49 m
Oct 23, 202349 m19.5°C34 m
Oct 27, 2023578 m19.2°C78 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
Sep 19, 2023 — seafloor 883 m (measured), deepest dive 54 m (modelled)Sep 19Sep 21, 2023 — seafloor 876 m (measured), deepest dive 199 m (modelled)Sep 21Oct 12, 2023 — seafloor 875 m (measured), deepest dive 85 m (modelled)Oct 12Oct 13, 2023 — seafloor 374 m (measured), deepest dive 160 m (modelled)Oct 13Oct 14, 2023 — seafloor 384 m (measured), deepest dive 116 m (modelled)Oct 14Oct 14, 2023 — seafloor 875 m (measured), deepest dive 87 m (modelled)Oct 14Oct 14, 2023 — seafloor 366 m (measured), deepest dive 104 m (modelled)Oct 14Oct 18, 2023 — seafloor 875 m (measured), deepest dive 30 m (modelled)Oct 18Oct 22, 2023 — seafloor 875 m (measured), deepest dive 49 m (modelled)Oct 22Oct 23, 2023 — seafloor 49 m (measured), deepest dive 34 m (modelled)Oct 23Oct 27, 2023 — seafloor 578 m (measured), deepest dive 78 m (modelled)Oct 27

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

Dives

199 m
Deepest dive
7:57
Longest dive
132
Dives
27 m
Avg dive depth
11
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200199 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (876 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 · Sep 21, 2023

measured
Seafloor depth
876 m
Sea-surface temperature
19.9°C
Distance from shore
15.0 km

Across the residency · 11 sightings

measured
Seafloor depth
49 m – 883 m
Sea-surface temperature
19.2°C – 20.8°C
Distance from shore
3.0 km – 21.0 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 11 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.