Parasitism of Galatheid Crustaceans From the Norfolk Canyon and Middle Atlantic Bight By Bopyrid Isopods 1,2)

Wenner, Elizabeth L.; Windsor, Nancy T.

doi:10.1163/156854079x01176

Cited by 15 publications

(4 citation statements)

References 3 publications

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“…The large brood size of Orthione (20,000-60,000 eggs) relative to other bopyrids (28,000 Anupodione carolensis, a parasite of galatheid crabs) (Wenner and Windsor, 1979) is not surprising due to its large size. However, O. griffenis broods also comprised a large portion of the isopod's body weight (40%) versus 16.8% in Probopyrus pandicola (Anderson, 1977).…”

Section: Discussionmentioning

confidence: 99%

Population Structure and Energetics of the Bopyrid Isopod Parasite Orthione Griffenis in Mud Shrimp Upogebia Pugettensis

Smith¹,

Dumbauld²,

Chapman³

2008

Journal of Crustacean Biology

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A B S T R A C TThe population structure and energetic burden of bopyrid isopod parasite Orthione griffenis on the eastern Pacific mud shrimp Upogebia pugettensis are estimated from size and weight relationships between parasite and host. U. pugettensis weight loss increases with O. griffenis weight but the high variance in the relation indicates that direct weight comparisons are insufficient to reveal most of the host-parasite energetic interactions. Environment, reproductive development, age, molt stage and the feeding histories of the hosts and parasites, not apparent from weight ratio comparisons, are likely to be important factors in their interaction. The high prevalence of O. griffenis among U. pugettensis and positive correlation between host weight loss and parasite weight nevertheless, indicate large impacts of these parasites on mud shrimp populations are occurring with corresponding effects on estuarine dynamics in Pacific Northwest estuaries.

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Section: Discussionmentioning

confidence: 99%

Population Structure and Energetics of the Bopyrid Isopod Parasite Orthione Griffenis in Mud Shrimp Upogebia Pugettensis

Smith¹,

Dumbauld²,

Chapman³

2008

Journal of Crustacean Biology

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“…Such empty swellings can dominate large size classes of infested specimens (Van Wyk 1982; Roccatagliata and Lovrich 1999), but they make up only a small portion of all specimens in those size classes (Van Wyk 1982; Cash and Bauer 1993; Roccatagliata and Lovrich 1999). Conversely, no marked increase of empty swellings with carapace size were found for a galatheoid (Wenner and Windsor 1979) and a porcellanid (Oliveira and Masunari 1998). Thus, carapaces with these “ghost parasites” are unlikely to result in a substantial increase in the median sizes of fossil specimens with swellings.…”

Section: Isopod Swellings In Decapod Crustaceansmentioning

confidence: 84%

Crustaceans as hosts of parasites throughout the Phanerozoic

Cm²,

et al. 2018

Preprint

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26The fossil record of crustaceans as hosts of parasites has yielded three confirmed associations: epicaridean 27 isopod-induced swellings on Jurassic-Recent decapod crustaceans, feminization of Cretaceous and 28Miocene male crabs possibly caused by rhizocephalan barnacles, and presumed pentastomids on/in 29 Silurian ostracods. Cestode platyhelminth hooks and swellings by entoniscid isopods may be recognized 30in the future. Relative to 2014, we report an increase of 41% to 124 fossil decapod species with 31 epicaridean-induced swellings in the branchial chamber (ichnotaxon Kanthyloma crusta). Furthermore, 32using a Late Jurassic (Tithonian) decapod assemblage from Austria, we find (1) no correlation between 33 genus abundance and prevalence of K. crusta, (2) host preference for some galatheoid taxa (as for a mid-34Cretaceous assemblage from Spain), and (3) a larger median size of parasitized versus non-parasitized 35 specimens for two selected species. The latter result may be caused by infestation throughout ontogeny 36 rather than exclusively in juveniles and/or possible selection for the larger sex. 37 38

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“…Information about parasitic castrators related to crustaceans (n = 14) and fish (n = 6) was obtained from the literature (Christensen and Kanneworff 1965;Mahon 1976;Wenner and Windsor 1979;McDermontt 1991;Lützen and Jespersen 1992;Shields and Earley 1993;Adlard and Lester 1994;Muñoz 1997;Muñoz and George-Nascimento 1999;Calado et al 2005Calado et al , 2008George-Nascimento and Bustos 2006;Azevedo et al 2006;Shukalyuk et al 2005;Cañete et al 2008;Fogelman et al 2009;Heins and Baker 2010;Petrić et al 2010). Only the castrator-host systems with antecedents confirming the castration on the host, total or partial, and with one parasite species were considered in this study.…”

Section: Discussionmentioning

confidence: 99%

Parasites of fish larvae: do they follow metabolic energetic laws?

et al. 2015

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Eumetazoan parasites in fish larvae normally exhibit large body sizes relative to their hosts. This observation raises a question about the potential effects that parasites might have on small fish. We indirectly evaluated this question using energetic metabolic laws based on body volume and the parasite densities. We compared the biovolume as well as the numeric and volumetric densities of parasites over the host body volume of larval and juvenile-adult fish and the average of these parasitological descriptors for castrator parasites and the parasites found in the fish studied here. We collected 5266 fish larvae using nearshore zooplankton sampling and 1556 juveniles and adult fish from intertidal rocky pools in central Chile. We considered only the parasitized hosts: 482 fish larvae and 629 juvenile-adult fish. We obtained 31 fish species; 14 species were in both plankton and intertidal zones. Fish larvae exhibited a significantly smaller biovolume but larger numeric and volumetric densities of parasites than juvenile-adult fish. Therefore, fish larvae showed a large proportion of parasite biovolume per unit of body host (cm(3)). However, the general scaling of parasitological descriptors and host body volume were similar between larvae and juvenile-adult fish. The ratio between the biovolume of parasites and the host body volume in fish larvae was similar to the proportion observed in castrator parasites. Furthermore, the ratios were different from those of juvenile-adult fish, which suggests that the presence of parasites implies a high energetic cost for fish larvae that would diminish the fitness of these small hosts.

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Parasitism of Galatheid Crustaceans From the Norfolk Canyon and Middle Atlantic Bight By Bopyrid Isopods 1,2)

Cited by 15 publications

References 3 publications

Population Structure and Energetics of the Bopyrid Isopod Parasite Orthione Griffenis in Mud Shrimp Upogebia Pugettensis

Population Structure and Energetics of the Bopyrid Isopod Parasite Orthione Griffenis in Mud Shrimp Upogebia Pugettensis

Crustaceans as hosts of parasites throughout the Phanerozoic

Parasites of fish larvae: do they follow metabolic energetic laws?

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