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

Inverse – Residency

122nd sighting in Monterey Bay
Fluke of Inverse
Inverse Confirmed in the catalog @125
May 22 – Nov 4, 2021 · Monterey Bay

Another Summer Home

The bay welcomed me back with the same generous currents and patient observers.

163 m
Deepest dive
5:28
Longest dive
267
Dives
Sightings
22
Days between first and last sighting
166

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 22, 202171 m12.2°C51 m
Jun 5, 202154 m13.6°C46 m
Jun 8, 202164 m13.2°C37 m
Jul 3, 2021100 m15.4°C65 m
Jul 5, 2021226 m15.0°C35 m
Jul 5, 2021220 m15.1°C30 m
Jul 17, 2021117 m14.0°C86 m
Jul 17, 2021110 m13.9°C30 m
Aug 15, 2021393 m16.1°C57 m
Oct 4, 2021313 m15.9°C163 m
Oct 9, 2021577 m14.6°C37 m
Oct 9, 202184 m14.7°C47 m
Oct 15, 2021262 m13.5°C28 m
Oct 15, 2021139 m13.5°C23 m
Oct 16, 202188 m13.6°C54 m
Oct 16, 2021250 m13.5°C59 m
Oct 16, 2021259 m13.5°C53 m
Oct 20, 202151 m13.7°C33 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 22, 2021 — seafloor 71 m (measured), deepest dive 51 m (modelled)May 22Jun 5, 2021 — seafloor 54 m (measured), deepest dive 46 m (modelled)Jun 8, 2021 — seafloor 64 m (measured), deepest dive 37 m (modelled)Jul 3, 2021 — seafloor 100 m (measured), deepest dive 65 m (modelled)Jul 5, 2021 — seafloor 226 m (measured), deepest dive 35 m (modelled)Jul 5Jul 5, 2021 — seafloor 220 m (measured), deepest dive 30 m (modelled)Jul 17, 2021 — seafloor 117 m (measured), deepest dive 86 m (modelled)Jul 17, 2021 — seafloor 110 m (measured), deepest dive 30 m (modelled)Aug 15, 2021 — seafloor 393 m (measured), deepest dive 57 m (modelled)Aug 15Oct 4, 2021 — seafloor 313 m (measured), deepest dive 163 m (modelled)Oct 9, 2021 — seafloor 577 m (measured), deepest dive 37 m (modelled)Oct 9, 2021 — seafloor 84 m (measured), deepest dive 47 m (modelled)Oct 15, 2021 — seafloor 262 m (measured), deepest dive 28 m (modelled)Oct 15Oct 15, 2021 — seafloor 139 m (measured), deepest dive 23 m (modelled)Oct 16, 2021 — seafloor 88 m (measured), deepest dive 54 m (modelled)Oct 16, 2021 — seafloor 250 m (measured), deepest dive 59 m (modelled)Oct 16, 2021 — seafloor 259 m (measured), deepest dive 53 m (modelled)Oct 16Oct 20, 2021 — seafloor 51 m (measured), deepest dive 33 m (modelled)Oct 31, 2021 — seafloor 94 m (measured), deepest dive 31 m (modelled)Nov 1, 2021 — seafloor 29 m (measured), deepest dive 25 m (modelled)Nov 3, 2021 — seafloor 67 m (measured), deepest dive 45 m (modelled)Nov 3Nov 4, 2021 — seafloor 190 m (measured), deepest dive 53 m (modelled)

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

Dives

163 m
Deepest dive
5:28
Longest dive
267
Dives
21 m
Avg dive depth
22
Sightings
166
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0100200163 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (313 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 4, 2021

measured
Seafloor depth
313 m
Sea-surface temperature
15.9°C
Distance from shore
11.0 km

Across the residency · 22 sightings

measured
Seafloor depth
29 m – 577 m
Sea-surface temperature
12.2°C – 16.1°C
Distance from shore
1.0 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 22 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.