Other Invertebrates
Flatworms (Platyhelminthes)

Flatworms (Platyhelminthes)

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Flatworms (phylum Platyhelminthes) Flatworms are found in marine, freshwater, and even damp terrestrial environments. Most are free-living forms, but many are parasitic on other animals.

https://en.wikipedia.org/wiki/Flatworm

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Flatworms (Platyhelminthes)

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Discussion

turb wrote:
29 Jun 2025
This is a trick specimen to identify. The median paired stripes present the best clue that the species is Caenoplana variegata. The lateral stripes are thin and discontinuous. The species is living up to its specific epithet - variable!

Fletchamia sugdeni does not have longitudinal stripes as in your specimen. Rather it s body is Canary yellow with possibly some suggestion of stripes at the head end. The eye pattern is quite different to Caenoplana.
Caenoplana variegata
trevorpreston wrote:
26 Apr 2025
Nice pick up!
Caenoplana spenceri
courtneyb wrote:
26 Apr 2025
Thank you! This one didn’t have a white stripe - you’re right it’s just the light reflection.
Caenoplana spenceri
turb wrote:
26 Apr 2025
Initially I too thought that this specimen was Caenoplana coerulea. However, the typical mid dorsal white stripe of this species appears on this specimen to be a reflection of the light, as in one small portion of the body where there is no reflection (near a twig), there is no white stripe. In this case, the species would be Caenoplana spenceri that also occurs in this region. Do you recollect whether or not it had a white stripe?
Caenoplana spenceri
turb wrote:
21 Dec 2024
A freshwater triclad. Working on the ID.
Platyhelminthes (phylum)

Significant sightings

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Caenoplana variegata at Cotter River, ACT

Fletchamia sugdeni at Cotter River, ACT

Fletchamia quinquelineata at Kingsdale, NSW

Fletchamia quinquelineata at Kingsdale, NSW

Species Richness Score (SRS)

90

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