Ultrastructure developments during spermiogenesis in Polydora ciliata (Annelida: Spionidae), a parasite of mollusca

The dry weight condition index and water content of two groups of mussels, one with heavy infestations and the other with mild infestations of Polydora ciliata, were determined over a period of 15 consecutive months. The results were seasonally variable, but for most months the heavily infested mussels had a condition index significantly lower, and a water content significantly higher, than the mildly infested mussels. This suggests that heavy infestations of P. ciliata are associated with reduced flesh content in mussels.Further analyses of the body components of the two groups of mussels, showed that the mantle tissue of heavily infested mussels was reduced much more than the nonmantle tissue. Since the mantle is the main repository of gametes, this suggests that heavy infestations of P. ciliata might lower the fecundity of mussels.

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Swimming behavior and prey retention of the polychaete larvae Polydora ciliata (Johnston)

Journal of Experimental Biology ◽

10.1242/jeb.038810 ◽

2010 ◽

Vol 213 (18) ◽

pp. 3237-3246 ◽

Cited By ~ 11

Author(s):

B. W. Hansen ◽

H. H. Jakobsen ◽

A. Andersen ◽

R. Almeda ◽

T. M. Pedersen ◽

...

Keyword(s):

Swimming Behavior ◽

Polydora Ciliata

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Fouling Polychaetes in Tanjung Priok Port of Jakarta, Indonesia

ASEAN Journal on Science and Technology for Development ◽

10.29037/ajstd.477 ◽

2018 ◽

Vol 35 (1-2) ◽

pp. 79-87

Author(s):

Hadiyanto Hadiyanto

Keyword(s):

Alien Species ◽

Geographical Distribution ◽

Native Species ◽

External Morphology ◽

Hydroides Elegans ◽

Polydora Ciliata ◽

Marine Alien Species

Fouling polychaetes in Tanjung Priok Port, Jakarta and their status were studied in order to update the list of marine alien species in Indonesia. Polychaetes were collected using six PVC panels that were submerged at a depth of 0.5 m over three months in Jakarta Bay. Polychaetes were identified to the lowest taxon possible based on characteristics of external morphology. The geographical distribution of identified polychaetes was then determined based on taxonomic literature in order to justify whether they were native or alien species for Indonesian waters. Twelve fouling polychaetes belonging to nine families are reported here. Of these, nine species (i.e., Chrysopetalum debilis, Eunice hirschi, Ceratonereis mirabilis, Leonnates decipiens, Polyophthalmus pictus, Eulalia (Eumida) sanguinea, Lepidonotus tenuisetosus, Hydroides elegans, and Polydora ciliata) were native species, while three other taxa (i.e., Namanereis sp., Hypsicomus sp. 1, and Hypsicomus sp. 2) were undetermined.

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Mud blister formation by Polydora ciliata in the Indian backwater oyster Crassostrea madrasensis (Preston)

Aquaculture ◽

10.1016/0044-8486(78)90182-5 ◽

1978 ◽

Vol 13 (4) ◽

pp. 347-350 ◽

Cited By ~ 8

Author(s):

David Stephen

Keyword(s):

Blister Formation ◽

Polydora Ciliata

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The Mud-Blister Worm, Polydora, in Canadian Oysters

Journal of the Fisheries Research Board of Canada ◽

10.1139/f42-060 ◽

1946 ◽

Vol 6e (7) ◽

pp. 498-505 ◽

Cited By ~ 9

Author(s):

J. C. Medcof

Keyword(s):

Deep Water ◽

Intertidal Zone ◽

Polydora Ciliata ◽

Hydrographic Conditions ◽

Industrial Problem

Polydora ciliata causes mud blisters, often inconspicuous, on the shells of oysters (Ostrea virginica) in deep water, in the intertidal zone and in floating trays in many important producing areas but is of industrial importance only in parts of the Bras d'Or lakes, N.S., where salinities are low and the bottom soft. Polydora has no significant effect on the fatness of oysters and is unlikely to create a major industrial problem unless hydrographic conditions change.

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