Swellshark
Cephaloscyllium ventriosum
- KingdomAnimalia (Animals)
- PhylumChordata (Cordats)
- ClassElasmobranchii
- OrderCarcharhiniformes (Ground Sharks)
- FamilyScyliorhinidae (Catsharks)
- GenusCephaloscyllium (Swellsharks)
- SpeciesCephaloscyllium ventriosum (Swellshark)
Closest Relatives at Channel Islands National Park
📅 Monthly Probability
☀️ When They're Spotted
Most active during daytime hours (6am–6pm) · across all parks (global)
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 | Channel Islands National Park | 🇺🇸 United States |
More parks will be added in future updates.
Quick answers
What are the chances of seeing a Swellshark in Channel Islands National Park?
About 25% of visitor-days record a Swellshark sighting in Channel Islands National Park, based on 11 observer-days of citizen-science data from GBIF.
When is the best time to see Swellshark in Channel Islands National Park?
November has the highest sighting rate for Swellshark in Channel Islands National Park in our monthly data.