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Journal of Applied Life Sciences International, 2394-1103,Vol.: 9, Issue.: 1

Short Research Article

A Morphological Study of Kroyeria minuta Pillai, 1968 (Copepoda: Eudactylinidae) Infecting the Milk Shark, Rhizoprionodon acutus Rüppell, 1937 off Nellore Coast, Bay of Bengal, India


C. Srinivasa Kalyan1 and V. Anuprasanna1*

1Department of Zoology, Yogi Vemana University, Kadapa, 516 003, India.

Article Information
(1) Vasil Simeonov, Laboratory of Chemometrics and Environmetrics, University of Sofia “St. Kliment Okhridski”, Bulgaria.
(2) Palanisamy Arulselvan, Institute of Bioscience, Universiti Putra Malaysia, Malaysia.
(1) Renato Massaaki Honji, Universidade de São Paulo, Brasil.
(2) Romana Gračan, University of Zagreb, Croatia.
(3) Cesar Amaral, Universidade do Estado do Rio de Janeiro, Brasil.
(4) Rewaida Abdel-Gaber, Cairo University, Egypt.
Complete Peer review History: http://www.sciencedomain.org/review-history/16756


Copepods of the genus Kroyeria Van Beneden, 1853 (Eudactylinidae) are ectoparasites of Elasmobranchs frequently infecting the gill filaments. Eudactylinid parasites were sampled from 152 milk sharks, Rhizoprionodon acutus collected from the Nellore coast, Bay of Bengal. With the application of scanning electron microscopy (SEM) and light microscopy we identified Kroyeria minuta Pillai, 1968, which is a new geographical record for the east coast of India. Fifteen parasites were acquired from the gill filaments of 9 infected fishes and its main morphological characteristics include minute structure, long dorsal stylets not extending beyond the hind border of the 4th thoracic segment, thoracic segments with interpodal bars, short 3-segmented abdomen, uniseriate egg sacs, 8-jointed antennule, robust antenna, slender maxilla with apically forked claw and two segmented maxillipede.

Keywords :

Ectoparasites; Kroyeria minuta; Rhizoprionodon acutus; gill filaments; Bay of bengal; SEM.

Full Article - PDF    Page 1-10

DOI : 10.9734/JALSI/2016/29012

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