Sighting

Reiner Richter 3 Jun 2017

Otways Reomkago quadrangulata Flatworm

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Sighted 21 May 2017
1385 Sunnyside Rd, Mount Sabine VIC 3236, Australia

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Identifications

  • Dr Leigh Winsor 5 June 2017
    Seriata
    (order)
    Taxonomy: Animalia: Platyhelminthes: Turbellaria: Seriata
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Notes

  • Reiner Richter 3 June 2017
    Tagged With artioposthia
    Reiner Richter says

    Possibly Artioposthia nichollsi - has the vague dorsal stripe but the pigmentation doesn't seem quite right to my inexperienced eye. This was quite a small flatworm that I found on the fish tin of my dinner (after rinsing it and leaving it to drip dry for a bit).

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  • Dr Leigh Winsor 5 June 2017
    Dr Leigh Winsor says

    Nice photos of what I am sure is Reomkago quadrangulata. The species is found in the Macedon Ranges and in the Otways. Reiner's photo shows the rather quadrangulate cross-sectional shape with fairly square edges; the quadrangular shape is more pronounced in a preserved specimen, and arises because of the contraction of strong dorso-ventral muscles in this species. The eyes are in a single row and are often "portholed", that is, the eyes are surrounded by a clear zone, then a dense aggregation of pigment spots, looking rather like a porthole. I was greatly amused by Reiner's new method of attracting planarians, and must try it myself some time! It sounds like the planarians in the area are rather hungry and are quick off the mark for a fish feast.

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  • Reiner Richter 6 June 2017
    Tagged With thanks
    Reiner Richter says

    Thanks Leigh, I have corrected the title to reflect your identification. I was spotlighting along a creek and was gone for around 15 minutes.

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