Characterisation of Temnocephalidae flatworms in common Australian freshwater prawn, Macrobrachium australiense

Shokoofeh Shamsi, Lachlan Sibraa, Xiaocheng Zhu, Diane P. Barton

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
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Macrobrachium australiense, is one of Australia’s most widespread freshwater invertebrates. Although a significant amount of research has been conducted to understand the diversity of crustacean species in Australia, there has been considerably less effort focused on their Temnocephalidae symbionts. The present study aims to identify Temnocephalidae species found in M. australiense, along with determining their impacts on the fitness of their hosts. A total of 54 M. australiense (common Australian river prawn) were examined for evidence of infection with Temnocephalidae species, of which 96.3% showed at least one sign of infection with Temnocephalidae. Due to damage and immaturity of the worms collected from, they have been referred to as Temnocephalidae sp. based on the presence of tentacles on the anterior margin of the body, and pedunculate sucker located dorsally on the ventral surface. Possible mechanical damage to gill lamellae resulting from either egg deposition or autolysis is evident. In the phylogenetic tree built based on sequences of the 28S rRNA gene, specimens in the present study grouped separately from other Temnocephalidae species reported from Australia.

Original languageEnglish
Article number1396
Pages (from-to)1-8
Number of pages8
JournalScientific Reports
Issue number1
Publication statusPublished - 26 Jan 2022


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