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ECB-ART-39432
Parasitol Res 2005 Jul 01;965:331-4. doi: 10.1007/s00436-005-1399-2.
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The precocious oncomiracidium of Neoentobdella parvitesticulata (Monogenea: Capsalidae: Entobdellinae).

Whittington ID , Kearn GC .


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The oncomiracidium (larva) of the entobdelline Neoentobdella parvitesticulata (Monogenea: Capsalidae), adults of which parasitise the skin of the stingray Himantura fai (Dasyatidae) at Heron Island, Great Barrier Reef, Queensland, Australia, is described. The larva undergoes precocious development (progenesis) in the freely deposited egg. At >600 microm long, the fully embryonated, free-swimming oncomiracidium is more than twice as long as the larva of the related species N. diadema. Furthermore, the larva of N. parvitesticulata has a total of 60 flame bulbs compared with only 18 in N. diadema. The anterior hamuli in the oncomiracidium of N. parvitesticulata have well-developed distal hooks and may already be functional for secure attachment whereas those of N. diadema are rod-shaped, have no distal hook and would be unable to function in this way in newly attached larvae.

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Genes referenced: LOC591902

References [+] :
Kearn, The survival of monogenean (platyhelminth) parasites on fish skin. 1999, Pubmed