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Peruvian horn shark

Heterodontus quoyi

20–30% · Possible
overall probability at Galápagos Islands
53 Verified records at Galápagos Islands
November Best month highest sighting rate
☀️ Diurnal When it's active during daytime hours (6am–6pm)

The Galapagos bullhead shark, Heterodontus quoyi, is a bullhead shark of the family Heterodontidae found in the tropical eastern Pacific Ocean between latitudes 0° to 10°S, at depths between 3 and 40 m. It can reach a length of 1.07 m. The reproduction of this bullhead shark is oviparous. Wikipedia →

20–30% of wildlife watchers report a Peruvian horn shark sighting in Galápagos Islands, based on 53 days of visitor records from GBIF citizen-science data.

📅 Monthly Probability

10–20
Jan
30–40
Feb
10–20
Mar
30–40
Apr
40–50
May
10–20
Jun
40–50
Jul
20–30
Aug
40–50
Sep
30–40
Oct
50–60
Nov
30–40
Dec

☀️ When They're Spotted

Most active during daytime hours (6am–6pm) · across all parks (global)

☀️Diurnal
☀️🌙🌙12am6am12pm6pm12am

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Probability
1 Galápagos Islands 🇪🇨 Ecuador
20–30%

More parks will be added in future updates.

Quick answers

What are the chances of seeing a Peruvian horn shark in Galápagos Islands?

About 23% of wildlife watchers report a Peruvian horn shark sighting in Galápagos Islands, based on 53 days of visitor records from GBIF citizen-science data.

When is the best time to see Peruvian horn shark in Galápagos Islands?

November has the highest sighting rate for Peruvian horn shark in Galápagos Islands in our monthly data.

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