Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Monterey Bay

Slice – Residency

53rd sighting in Monterey Bay
Fluke of Slice
Slice Confirmed in the catalog @23
Jul 23 – Oct 17, 2021 · Monterey Bay

Summer in the Bay

Three months circling these familiar waters, nursing old wounds and finding peace.

145 m
Deepest dive
4:10
Longest dive
278
Dives
Sightings
18
Days between first and last sighting
86

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 23, 2021102 m14.4°C35 m
Jul 24, 2021426 m14.8°C97 m
Aug 23, 202193 m15.8°C58 m
Sep 12, 2021145 m16.4°C26 m
Sep 12, 2021320 m16.5°C28 m
Sep 14, 202195 m16.4°C87 m
Sep 16, 202184 m15.9°C60 m
Sep 16, 202195 m16.4°C26 m
Sep 17, 2021386 m16.1°C56 m
Sep 17, 202161 m15.9°C47 m
Sep 18, 2021102 m16.2°C90 m
Oct 5, 2021399 m16.0°C51 m
Oct 6, 2021118 m15.5°C58 m
Oct 14, 2021163 m13.4°C62 m
Oct 15, 2021241 m13.5°C145 m
Oct 15, 202139 m13.4°C35 m
Oct 16, 202196 m13.6°C76 m
Oct 17, 202195 m13.4°C60 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
Jul 23, 2021 — seafloor 102 m (measured), deepest dive 35 m (modelled)Jul 23Jul 24, 2021 — seafloor 426 m (measured), deepest dive 97 m (modelled)Aug 23, 2021 — seafloor 93 m (measured), deepest dive 58 m (modelled)Sep 12, 2021 — seafloor 145 m (measured), deepest dive 26 m (modelled)Sep 12Sep 12, 2021 — seafloor 320 m (measured), deepest dive 28 m (modelled)Sep 14, 2021 — seafloor 95 m (measured), deepest dive 87 m (modelled)Sep 16, 2021 — seafloor 84 m (measured), deepest dive 60 m (modelled)Sep 16Sep 16, 2021 — seafloor 95 m (measured), deepest dive 26 m (modelled)Sep 17, 2021 — seafloor 386 m (measured), deepest dive 56 m (modelled)Sep 17, 2021 — seafloor 61 m (measured), deepest dive 47 m (modelled)Sep 17Sep 18, 2021 — seafloor 102 m (measured), deepest dive 90 m (modelled)Oct 5, 2021 — seafloor 399 m (measured), deepest dive 51 m (modelled)Oct 6, 2021 — seafloor 118 m (measured), deepest dive 58 m (modelled)Oct 6Oct 14, 2021 — seafloor 163 m (measured), deepest dive 62 m (modelled)Oct 15, 2021 — seafloor 241 m (measured), deepest dive 145 m (modelled)Oct 15, 2021 — seafloor 39 m (measured), deepest dive 35 m (modelled)Oct 15Oct 16, 2021 — seafloor 96 m (measured), deepest dive 76 m (modelled)Oct 17, 2021 — seafloor 95 m (measured), deepest dive 60 m (modelled)

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

Dives

145 m
Deepest dive
4:10
Longest dive
278
Dives
24 m
Avg dive depth
18
Sightings
86
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150145 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (241 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 · Oct 15, 2021

measured
Seafloor depth
241 m
Sea-surface temperature
13.5°C
Distance from shore
4.0 km

Across the residency · 18 sightings

measured
Seafloor depth
39 m – 426 m
Sea-surface temperature
13.4°C – 16.5°C
Distance from shore
2.0 km – 14.0 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 18 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.