Paraplanocera sp1

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This species has been observed on Reunion and Mayotte Islands


Order : Polycladida
Suborder : Acotylea
Superfamily : Stylochoidea
Family : Planoceridae
Distribution : Indo West Pacific
Maximal size : 70 mm
Abundance :


Species characteristics :

Body almost circular with crenulated margin, translucent, clear with white irregular spots and dots and red-brown regular dots

Conspicuous head tentacles orange with white to translucent tip

 

callioplana marginata
Showing species characteristics...

Photo Philibert Bidgrain
Reunion, Etang salé on the rocky coast, less 1 m, 20 December 2010, size : 50 mm

See more about : Paraplanocera sp1 variability in Southwest Indian ocean

Remarks :

This species looks like Paraplanocera sp1 in Fabulous Flatworms (Newman, 2003) but in Newman described the tentacle are translucent, and they are orange with white to translucent tip in our specimens...

Bibliographic data :

Pharynx situated medially, small ruffled
   Cerebral eyes in distinct clusters.
   Head tentacles ringed by numerous eyes at their base.

References :

Neville Coleman : World of water: Paraplanocera sp
   Nudipixel : Paraplanocera sp (under the name Pericelis sp...)
   Marine flatworms of the world : Paraplanocera sp

Publications :

Newman, L.J. & Cannon, L.R.G. (2003). Marine Flatworms: the world of Polyclads. CSIRO Publishing : Melbourne 112

Other photos of Paraplanocera sp1 :


 

 

 

Philibert Bidgrain

Reunion, Etang salé on the rocky coast, less 1 m, 20 December 2010, size : 50 mm

- Pharynx (a) situated medially, small ruffled

- Many eggs are observed in oviducts (b)

- The gut (c) which in polyclads consist of many tubes each extending away to the edges of the body often repeatedly dividing forming a pattern like the branches of a tree.


 

 

Philibert Bidgrain

Mayotte, Mtsanga M'boueanatsa, less 1 m, 2 August 2008, size : 35-40 mm

2 specimens under a rock...

A really orange coloration for this specimen...

 

 


Philibert Bidgrain

Reunion, Trou d'eau lagoon, less 1 m, 20 January 2011, size : 30 mm
   
 - Head tentacles ringed by numerous eyes (a) at their base.
    - Conspicuous head tentacles
orange (b) with white to translucent tip (c)


 

 

Matthias Deuss

Mayotte, 31 December 2009

A pale specimen with transtucent head tentacles (a).

 


 

 

Philibert Bidgrain

Reunion, Etang salé on the rocky coast, less 1 m, 24 February 2009, size : 40 mm

. These animals are very fragile, they can easily break

A pale specimen with pale orange head tentacles but intense white irregular spots and red-brown regular dots


 More photos from Indian Ocean

See more about : Paraplanocera sp1 variability in Southwest Indian ocean

Reunion, hight concentration of Paraplanocera sp1, at Etang salé, by Philibert Bidgrain

Mayotte, a large Paraplanocera sp1, at Petite Terre, by Olivier Police