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

Silky – Residency

14th sighting in Monterey Bay
Fluke of Silky
Silky Confirmed in the catalog @260
Jul 24 – Nov 11, 2019 · Monterey Bay

Monterey Bay · Jul – Nov 2019

148 m
Deepest dive
4:25
Longest dive
33
Dives
Sightings
4
Days between first and last sighting
110

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 2019286 m15.2°C148 m
Aug 9, 201971 m13.0°C48 m
Sep 16, 201955 m14.8°C25 m
Nov 11, 2019567 m14.3°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
Jul 24, 2019 — seafloor 286 m (measured), deepest dive 148 m (modelled)Jul 24Aug 9, 2019 — seafloor 71 m (measured), deepest dive 48 m (modelled)Aug 9Sep 16, 2019 — seafloor 55 m (measured), deepest dive 25 m (modelled)Sep 16Nov 11, 2019 — seafloor 567 m (measured), deepest dive 33 m (modelled)Nov 11

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

Dives

148 m
Deepest dive
4:25
Longest dive
33
Dives
26 m
Avg dive depth
4
Sightings
110
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150148 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (286 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 · Jul 24, 2019

measured
Seafloor depth
286 m
Sea-surface temperature
15.2°C
Distance from shore
7.0 km

Across the residency · 4 sightings

measured
Seafloor depth
55 m – 567 m
Sea-surface temperature
13.0°C – 15.2°C
Distance from shore
3.0 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 4 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.