#5013 · 🪼 jellyfish, starfish, worms & co
Stony Sponge
Petrosia ficiformis
🪼 Jellyfish, starfish, worms & co 📍 in Europe, not in NL
📍 Girona, ES-CT, ES
📍 Crikvenica, Primorsko-Goranska, Croatia
📍 Catania, Sicily, IT
📍 Ensues, France
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Bernard Picton · CC BY 4.0
- 2. © David Renoult · CC BY-NC 4.0
- 3. © David Renoult · CC BY-NC 4.0
- 4. © Sylvain Le Bris · CC BY-NC 4.0
- 5. © Frédéric ANDRE · CC BY-NC 4.0
- 6. © whodden · CC BY-NC 4.0
- 7. Girona, ES-CT, ES:© Vsevolod Rudyi · CC BY 4.0
- 8. Crikvenica, Primorsko-Goranska, Croatia:© Juraj Ahel · CC BY 4.0
- 9. Catania, Sicily, IT:© Alfonso Siciliano · CC BY-NC-ND 4.0
- 10. Ensues, France:© Sylvain Le Bris · CC BY-NC 4.0
what is it?
Petrosia ficiformis , commonly known as the stony sponge , is a petrosiid sea sponge in the order Haplosclerida.
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.
- 1,276 observations worldwide on iNaturalist.
fact sheet
- English
- Stony Sponge
- scientific name
- Petrosia ficiformis
- class
- Demospongiae
- order
- Haplosclerida
- family
- Petrosiidae
- sightings in NL
- 0
- sightings in Europe
- 1,033
- sightings worldwide
- 1,276
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
Sources: iNaturalist taxon 342248, Wikidata Q2430973, GBIF 2246423, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.