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#4943 · 🪼 jellyfish, starfish, worms & co

two-tone planarian

🇳🇱 Grote Australische geelstreep ·Caenoplana variegata

🪼 Jellyfish, starfish, worms & co 📍 in the Netherlands
two-tone planarian, photo 1 of 10
1/10 © Mick Massie · CC BY-NC 4.0

what is it?

Caenoplana variegata is a species of land planarian. It was first described in 1888 as Geoplana variegata by Joseph James Fletcher and Alexander Greenlaw Hamilton. The currently accepted name is Caenoplana variegata although the name accepted by Australian authorities is Australopacifica variegata .

base stats

  • NL sightings 6iNaturalist, research grade
  • worldwide 1,065iNaturalist 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

  • Spotted 6 times in the Netherlands on iNaturalist.
  • 1,065 observations worldwide on iNaturalist.
  • Scientifically named in 1888 (138 years ago).

fact sheet

English
two-tone planarian
Nederlands
Grote Australische geelstreep
scientific name
Caenoplana variegata
order
Tricladida
family
Geoplanidae
sightings in NL
6
sightings in Europe
348
sightings worldwide
1,065
GBIF records in NL
71
weight
—
length
—
lifespan
—
named
1888

relatives· Geoplanidae

Sources: iNaturalist taxon 894537, Wikidata Q3276162, GBIF 6476679, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

stan runge fda2155 source