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Note on a new host of Myxobolus aeglefini

Published online by Cambridge University Press:  06 April 2009

Z. Kabata
Z. Kabata
Affiliation:
Marine Laboratory, Torry, Aberdeen
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Extract

Some time ago Mr E. Wilson, of the Marine Laboratory, Aberdeen, brought to notice the abnormal appearance of the cranial cartilage in a plaice (Pleuronectes platessa L.) which had been tagged (in St Andrews Bay) and subsequently recaptured (24 miles south-south-east of Arbroath). The fish was a 44·5 cm. long female, 6 years old, with mature ovary and in good condition generally. The cartilage, exposed by the opening of the cranium to remove the otoliths, seemed hypertrophied and full of whitish splotches giving it a mottled appearance. These ‘splotches’ were formed by irregular, vein-like branching canals, in many places along their length swelling into cyst-like, subspherical cavities up to 3 mm. in diameter. They were filled by a mass of soft substance which was found to be an accumulation of Cnidosporidian spores. Small granules of the substance were also found inside the otic capsules. It is possible, however, that these granules were displaced into the capsules during the opening of the cranium.

Type
Research Article
Information
Parasitology , Volume 47 , Issue 1-2 , June 1957 , pp. 165 - 168
Copyright
Copyright © Cambridge University Press 1957

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