Bacciger bacciger   (Rudolphi,  1819) (Marine Worm)
Organism information awaits expert curation
Class: Trematoda

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Size: Length: 0.56-0.94 mm.
Width: 0.54-0.64 mm.

Body small, oval. Tegument spinose. Ventral sucker 0.08-0.16 mm in diameter, situated at 0.24-27 from anterior end of body. Oral sucker 0.07-0.09 mm long, 0.10-0.12 mm wide, smaller than ventral sucker, terminal. Sucker's ratio-1:1.29.

Prepharynx absent; pharynx 0.03--0.06 mm long, 0.03-0.05 mm wide; oesophagus short; intestinal caeca short, extending upto anterior ends of testes.
Testes two, symmetrical, 0.18-0.26 mm long, 0.12-0.21 mm wide. Cirrus sac anterodorsal to acetabulum. Internal seminal vesicle bipartite; pars prostatica surrounded by prostate gland cells; ejaculatory duct short.
Ovary entire, median, 0.12-0.17 mm long, 0.08-0.16 mm wide. Seminal receptacle posterior to ovary, intertesticular.
Vitellaria in two groups of follicles, one on either side of body. Vitelline reservoir at posterior end of acetabulum. Uterine coils mostly in hind body. Eggs 16-24 µm x 12-16 µm
Excretory vesicle 'V' shaped.

Synonym (s)

Common Name (s)
Economic Importance and Threats



• Orissa, Chilika Lake INDIA

Literature Source(s)
  • Dutta, IB (1995) Platyhelminthes: Trematoda: Digenea Wetland ecosystem series 1: Fauna of Chilka lake ZSI, Calcutta 235-277 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Università di Cagliari Available at -

Page last updated on:2010-11-25

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