#4992 · 🪼 jellyfish, starfish, worms & co

Kidney Sponge

Chondrosia reniformis

🪼 Jellyfish, starfish, worms & co 📍 in Europe, not in NL

10 photos from iNaturalist (Creative Commons) · credits & licences

1. © Bernard Picton · CC BY 4.0
2. © Dean Zagorac · CC BY-NC 4.0
3. © Dennis Rabeling · CC BY-NC-ND 4.0
4. © Kaila Wheatley Kornblum · CC BY-NC 4.0
5. Saména, Marseille, France:© Sylvain Le Bris · CC BY-NC 4.0
6. IIla Pedrosa:© Carmen B. de los Santos · CC BY-NC-SA 4.0
7. Ionian Islands, Peloponnese, Western Greece and the Ionian Islands, Greece:© Falk Viczian Solarboot-Projekte gGmbH · CC BY-NC 4.0
8. Anse du Petit Nid, 13960, France:© lucane · CC BY-NC 4.0
9. Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France:© Bernard Picton · CC BY 4.0
10. Ag. Georgios 383 34, Greece:© MARIA SYNATIKA · CC BY-NC 4.0

what is it?

Chondrosia reniformis is een sponssoort in de taxonomische indeling van de gewone sponzen (Demospongiae). Het lichaam van de spons bestaat uit kiezelnaalden en sponginevezels, en is in staat om veel water op te nemen.

base stats

NL sightings 0iNaturalist, research grade
worldwide 2,476iNaturalist observations

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.
2,476 observations worldwide on iNaturalist.

fact sheet

English: Kidney Sponge
scientific name: Chondrosia reniformis
class: Demospongiae
order: Chondrosiida
family: Chondrosiidae
sightings in NL: 0
sightings in Europe: 2,177
sightings worldwide: 2,476
GBIF records in NL: 0
weight: —
length: —
lifespan: —

Sources: iNaturalist taxon 342104, Wikidata Q1448951, GBIF 2248804, Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.