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Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Rastrillos – Residency

34th sighting in Monterey Bay
Fluke of Rastrillos
Rastrillos Confirmed in the catalog @65241
May 25 – Dec 5, 2021 · Monterey Bay

Monterey Bay · May – Dec 2021

132 m
Deepest dive
4:47
Longest dive
354
Dives
Sightings
34
Days between first and last sighting
194

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 25, 202117 m13.0°C15 m
Jun 21, 2021567 m15.0°C41 m
Aug 1, 202163 m16.8°C54 m
Aug 6, 202187 m16.9°C43 m
Aug 21, 2021277 m16.1°C53 m
Aug 21, 2021172 m16.1°C75 m
Aug 22, 202132 m16.0°C26 m
Aug 28, 2021121 m16.8°C50 m
Sep 4, 202194 m16.7°C55 m
Sep 4, 2021568 m16.5°C73 m
Sep 7, 202138 m18.3°C34 m
Sep 9, 202197 m18.5°C87 m
Sep 13, 2021156 m16.5°C132 m
Sep 13, 20211,215 m16.2°C22 m
Sep 17, 2021100 m16.3°C92 m
Sep 20, 2021283 m16.0°C22 m
Sep 20, 2021154 m16.0°C78 m
Sep 21, 2021100 m16.4°C19 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
May 25, 2021 — seafloor 17 m (measured), deepest dive 15 m (modelled)May 25Jun 21, 2021 — seafloor 567 m (measured), deepest dive 41 m (modelled)Aug 1, 2021 — seafloor 63 m (measured), deepest dive 54 m (modelled)Aug 6, 2021 — seafloor 87 m (measured), deepest dive 43 m (modelled)Aug 21, 2021 — seafloor 277 m (measured), deepest dive 53 m (modelled)Aug 21, 2021 — seafloor 172 m (measured), deepest dive 75 m (modelled)Aug 22, 2021 — seafloor 32 m (measured), deepest dive 26 m (modelled)Aug 22Aug 28, 2021 — seafloor 121 m (measured), deepest dive 50 m (modelled)Sep 4, 2021 — seafloor 94 m (measured), deepest dive 55 m (modelled)Sep 4, 2021 — seafloor 568 m (measured), deepest dive 73 m (modelled)Sep 7, 2021 — seafloor 38 m (measured), deepest dive 34 m (modelled)Sep 9, 2021 — seafloor 97 m (measured), deepest dive 87 m (modelled)Sep 13, 2021 — seafloor 156 m (measured), deepest dive 132 m (modelled)Sep 13Sep 13, 2021 — seafloor 1,215 m (measured), deepest dive 22 m (modelled)Sep 17, 2021 — seafloor 100 m (measured), deepest dive 92 m (modelled)Sep 20, 2021 — seafloor 283 m (measured), deepest dive 22 m (modelled)Sep 20, 2021 — seafloor 154 m (measured), deepest dive 78 m (modelled)Sep 21, 2021 — seafloor 100 m (measured), deepest dive 19 m (modelled)Sep 22, 2021 — seafloor 50 m (measured), deepest dive 32 m (modelled)Sep 22Oct 13, 2021 — seafloor 175 m (measured), deepest dive 69 m (modelled)Oct 23, 2021 — seafloor 97 m (measured), deepest dive 58 m (modelled)Oct 28, 2021 — seafloor 28 m (measured), deepest dive 23 m (modelled)Oct 29, 2021 — seafloor 27 m (measured), deepest dive 25 m (modelled)Nov 4, 2021 — seafloor 151 m (measured), deepest dive 106 m (modelled)Nov 11, 2021 — seafloor 65 m (measured), deepest dive 53 m (modelled)Nov 11Nov 12, 2021 — seafloor 73 m (measured), deepest dive 37 m (modelled)Nov 13, 2021 — seafloor 61 m (measured), deepest dive 29 m (modelled)Nov 14, 2021 — seafloor 567 m (measured), deepest dive 95 m (modelled)Nov 14, 2021 — seafloor 74 m (measured), deepest dive 68 m (modelled)Nov 18, 2021 — seafloor 43 m (measured), deepest dive 32 m (modelled)Nov 20, 2021 — seafloor 58 m (measured), deepest dive 47 m (modelled)Nov 20Nov 21, 2021 — seafloor 74 m (measured), deepest dive 55 m (modelled)Nov 28, 2021 — seafloor 44 m (measured), deepest dive 37 m (modelled)Dec 5, 2021 — seafloor 33 m (measured), deepest dive 29 m (modelled)

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

Dives

132 m
Deepest dive
4:47
Longest dive
354
Dives
22 m
Avg dive depth
34
Sightings
194
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150132 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (156 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 13, 2021

measured
Seafloor depth
156 m
Sea-surface temperature
16.5°C
Distance from shore
7.0 km

Across the residency · 34 sightings

measured
Seafloor depth
17 m – 1,215 m
Sea-surface temperature
12.9°C – 18.5°C
Distance from shore
1.0 km – 18.0 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 34 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.