African Journal of Zoology

African Journal of Zoology Vol. 1 (3), pp. 017-020, November, 2013. © International Scholars Journals

Full Length Research Paper

A new species of Tylocephalum (Cestode: Lecanicephalide, Braun, 1900) from marine fish at Ratnagiri, India

D. M. Pathan1* and D. B. Bhure2

1Department of Zoology, Shrikrishna Mahavidyalaya, Gunjoti, Dist. Osmanabad 413606(M.S.), India.

2 Department of Zoology, Yeshwant College, Nanded 431 602 (M.S.) India.

*Corresponding author. E-mail: dmp_skmg93@rediffmail.com.

Accepted 19 July, 2013

Abstract

The present investigation deals with systematic observation of the cestode parasites Tylocephalum Linton, 1890, that is, T. damodarae n.sp. of marine fish Dasyatis walga Muller and Henle, 1841 from West Coast of Maharashtra which is most pathogenic. The present worm comes closer to all the known species of the genus Tylocephalum in general topography of organ but differs due to scolex globular anteriorly and quadrangular posteriorly, presence of short neck, mature proglottids three to four times longer than broad, testes 60 to 70 in numbers and pre-ovarian, cirrus pouch oval, elongated placed below the middle of the proglottids, cirrus straight, vas deferens long coiled, genital pores are large, sub-marginal, irregularly alternate, vagina anterior to cirrus pouch, ovary ‘U’ shaped and vitellaria are granular in shape.

Key words: Parasites, Tylocephalum, Dasyatis walga.