Cestodes of the Brown-banded Bamboo Shark Chiloscyllium punctatum (Elasmobranchii: Hemiscylliidae) from the Gulf of Thailand

Watchariya PURIVIROJKUL

Abstract


Specimens of cestode parasites were collected from 120 brown-banded bamboo sharks, Chiloscyllium punctatum, collected from Chon Buri province, in the Gulf of Thailand. All fish specimens were found to be infected with cestodes. Eight species in 4 genera of cestodes were recorded, Caulopatera pagei, Orectolobicestus tyleri, Spiniloculus mavensis, Yorkeria hilli, Y. kelleyae, Y. saliputium, Y. yubodohensis and Y. chonburiensis. In this study, 3,834 specimens of cestodes were found in C. punctatum of which 1,539 specimens (40.14 %) were Yorkeria spp. O. tyleri (51.41 %) with Y. chonburiensis the lowest (0.05 %). The prevalence of the cestode infection was highest in August (61.9 parasites per fish) followed by October (57.9 parasites per fish) and July (57.6 parasites per fish), whereas infection was lowest in February (21.6 parasites per fish). O. tyleri, S. mavensis, Y. hilli, Y. kelleyae and Y. yubodohensis were found in all seasons. Five species; C. pagei, O. tyleri, S. mavensis, Y. saliputium and Y. yubodohensis were the first records in Thailand.

Keywords


Cestode, brown-banded bamboo shark, Chiloscyllium punctatum, the Gulf of Thailand

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References


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