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

Mitten – Residency

74th sighting in Monterey Bay
Fluke of Mitten
Mitten Confirmed in the catalog @120105
Jun 29 – Oct 14, 2026 · Monterey Bay

Kitchen's Open Again

Whole summer at my favorite shelf, feed thick, company everywhere.

224 m
Deepest dive
6:08
Longest dive
114
Dives
Sightings
11
Days between first and last sighting
107

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 29, 202664 m16.2°C50 m
Sep 6, 2026328 m15.5°C67 m
Sep 8, 202691 m15.8°C28 m
Sep 12, 2026133 m17.1°C114 m
Sep 14, 2026156 m16.6°C95 m
Oct 2, 2026146 m17.9°C125 m
Oct 3, 2026180 m18.0°C135 m
Oct 8, 202691 m19.5°C64 m
Oct 9, 2026254 m18.0°C224 m
Oct 12, 2026184 m16.8°C50 m
Oct 14, 2026189 m17.5°C75 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
Jun 29, 2026 — seafloor 64 m (measured), deepest dive 50 m (modelled)Jun 29Sep 6, 2026 — seafloor 328 m (measured), deepest dive 67 m (modelled)Sep 6Sep 8, 2026 — seafloor 91 m (measured), deepest dive 28 m (modelled)Sep 8Sep 12, 2026 — seafloor 133 m (measured), deepest dive 114 m (modelled)Sep 12Sep 14, 2026 — seafloor 156 m (measured), deepest dive 95 m (modelled)Sep 14Oct 2, 2026 — seafloor 146 m (measured), deepest dive 125 m (modelled)Oct 2Oct 3, 2026 — seafloor 180 m (measured), deepest dive 135 m (modelled)Oct 3Oct 8, 2026 — seafloor 91 m (measured), deepest dive 64 m (modelled)Oct 8Oct 9, 2026 — seafloor 254 m (measured), deepest dive 224 m (modelled)Oct 9Oct 12, 2026 — seafloor 184 m (measured), deepest dive 50 m (modelled)Oct 12Oct 14, 2026 — seafloor 189 m (measured), deepest dive 75 m (modelled)Oct 14

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

Dives

224 m
Deepest dive
6:08
Longest dive
114
Dives
30 m
Avg dive depth
11
Sightings
107
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250224 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (254 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 9, 2026

measured
Seafloor depth
254 m
Sea-surface temperature
18.0°C
Distance from shore
4.0 km

Across the residency · 11 sightings

measured
Seafloor depth
64 m – 328 m
Sea-surface temperature
15.5°C – 19.5°C
Distance from shore
2.0 km – 8.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.