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

Fallon – Residency

129th sighting in Monterey Bay
Fluke of Fallon
Fallon Confirmed in the catalog @4517
May 19 – Oct 18, 2023 · Monterey Bay

Monterey Bay · May – Oct 2023

514 m
Deepest dive
17:07
Longest dive
239
Dives
Sightings
24
Days between first and last sighting
152
Deepest dive on record
514 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
May 19, 2023151 m13.9°C43 m
May 30, 2023254 m13.4°C38 m
Jun 2, 2023567 m13.4°C112 m
Jun 2, 202358 m13.7°C52 m
Jun 6, 2023137 m13.7°C83 m
Jun 8, 2023567 m13.3°C514 m
Jun 9, 202372 m14.2°C18 m
Aug 12, 2023555 m14.9°C60 m
Aug 13, 2023117 m15.1°C94 m
Aug 13, 2023567 m15.1°C74 m
Aug 14, 2023318 m15.7°C64 m
Aug 24, 202387 m17.7°C58 m
Sep 4, 202397 m17.1°C47 m
Sep 4, 2023487 m17.0°C122 m
Sep 7, 202394 m16.3°C72 m
Sep 18, 2023642 m16.7°C227 m
Oct 1, 2023395 m16.2°C103 m
Oct 3, 202387 m15.7°C30 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 19, 2023 — seafloor 151 m (measured), deepest dive 43 m (modelled)May 19May 30, 2023 — seafloor 254 m (measured), deepest dive 38 m (modelled)Jun 2, 2023 — seafloor 567 m (measured), deepest dive 112 m (modelled)Jun 2, 2023 — seafloor 58 m (measured), deepest dive 52 m (modelled)Jun 6, 2023 — seafloor 137 m (measured), deepest dive 83 m (modelled)Jun 6Jun 8, 2023 — seafloor 567 m (measured), deepest dive 514 m (modelled)Jun 9, 2023 — seafloor 72 m (measured), deepest dive 18 m (modelled)Aug 12, 2023 — seafloor 555 m (measured), deepest dive 60 m (modelled)Aug 13, 2023 — seafloor 117 m (measured), deepest dive 94 m (modelled)Aug 13Aug 13, 2023 — seafloor 567 m (measured), deepest dive 74 m (modelled)Aug 14, 2023 — seafloor 318 m (measured), deepest dive 64 m (modelled)Aug 24, 2023 — seafloor 87 m (measured), deepest dive 58 m (modelled)Sep 4, 2023 — seafloor 97 m (measured), deepest dive 47 m (modelled)Sep 4Sep 4, 2023 — seafloor 487 m (measured), deepest dive 122 m (modelled)Sep 7, 2023 — seafloor 94 m (measured), deepest dive 72 m (modelled)Sep 18, 2023 — seafloor 642 m (measured), deepest dive 227 m (modelled)Oct 1, 2023 — seafloor 395 m (measured), deepest dive 103 m (modelled)Oct 1Oct 3, 2023 — seafloor 87 m (measured), deepest dive 30 m (modelled)Oct 4, 2023 — seafloor 290 m (measured), deepest dive 55 m (modelled)Oct 7, 2023 — seafloor 567 m (measured), deepest dive 133 m (modelled)Oct 9, 2023 — seafloor 496 m (measured), deepest dive 99 m (modelled)Oct 9Oct 9, 2023 — seafloor 98 m (measured), deepest dive 89 m (modelled)Oct 16, 2023 — seafloor 107 m (measured), deepest dive 55 m (modelled)Oct 18, 2023 — seafloor 353 m (measured), deepest dive 76 m (modelled)

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

Dives

514 m
Deepest dive
17:07
Longest dive
239
Dives
30 m
Avg dive depth
24
Sightings
152
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0275550514 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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 · Jun 8, 2023

measured
Seafloor depth
567 m
Sea-surface temperature
13.3°C
Distance from shore
16.0 km

Across the residency · 24 sightings

measured
Seafloor depth
58 m – 642 m
Sea-surface temperature
13.3°C – 17.7°C
Distance from shore
2.0 km – 16.0 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 24 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.