#2026 · 🦈 sharks & rays
Port Jackson Shark
🇳🇱 Port jackson stierkophaai ·Heterodontus portusjacksoni
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © John Sear · CC BY-NC 4.0
- 2. © peterdavey · CC BY-NC 4.0
- 3. © J. Martin Crossley · CC BY-NC-SA 4.0
- 4. © Richard Ling · CC BY-NC-ND 4.0
- 5. © Marine Explorer (Dr John Turnbull) · CC BY-NC-SA 4.0
- 6. © stephencoutts · CC BY-NC 4.0
- 7. © Dan Monceaux · CC BY-NC 4.0
- 8. © J. Martin Crossley · CC BY-NC-SA 4.0
- 9. © Erik Schlögl · CC BY-NC 4.0
- 10. © lichenina · CC BY-NC 4.0
what is it?
The Port Jackson shark ( Heterodontus portusjacksoni ) is a nocturnal, oviparous (egg laying) type of bullhead shark of the family Heterodontidae, found in the coastal region of southern Australia, including the waters off Port Jackson. 5 ft) long.
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 4,599 observations worldwide on iNaturalist.
- Scientifically named by Friedrich Albrecht Anton Meyer in 1793 (233 years ago).
fact sheet
- English
- Port Jackson Shark
- Nederlands
- Port jackson stierkophaai
- scientific name
- Heterodontus portusjacksoni
- class
- Chondrichthyes
- order
- Heterodontiformes
- family
- Heterodontidae
- IUCN Red List
- LC · least concern
- sightings in NL
- 0
- sightings worldwide
- 4,599
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1793 by Friedrich Albrecht Anton Meyer
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Heterodontidae
Sources: iNaturalist taxon 57810, Wikidata Q1364894, GBIF 5215675, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.