Ciliate parasites and related diseases of crustacea: A review

Morado, J. Frank; Small, Eugene B.

doi:10.1080/10641269509388575

Cited by 102 publications

(88 citation statements)

References 76 publications

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“…review by Morado & Small 1995). Several species of Mesanophrys (synonyms Mugardia, Paranophrys and Anophrys) have been described from crabs (Bang et al 1972, Groliere & Leglise 1977, Sparks et al 1982, Morado & Small 1994, one Anophryoides sp.…”

Section: Introductionmentioning

confidence: 99%

Systemic infection of freshwater crayfish Cherax quadricarinatus by hymenostome ciliates of the Tetrahymena pyriformis complex

Edgerton¹,

O’Donoghue²,

Wingfield³

et al. 1996

Dis. Aquat. Org.

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ABSTRACT-A survey of cultured freshwater crayfish Cherax g~~adricarinatus in north Queensland revealed systemic infections by hymenostome clliates in moribund crayfish from one location. The ciliates were identified following protargol impregnation as belonging to the Tetrahymena pyriformis species complex on the basis of their somatic and oral ciliature and morphometric characteristics. Live ciliates were observed in the haemal sinuses of the gills browsing on tissue fragments. H~stological examination revealed the ciliates to have invaded most organs and tissues, causlng extensive necrosis particularly in the hepatopancreas and antenna1 gland. Lipid reserves were not depleted in the hepatopancreas, suggesting the rapid de\telopment of acute disease. This is the flrst record of systeinlc ciliate infections in freshwater decapods.

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Section: Introductionmentioning

confidence: 99%

Systemic infection of freshwater crayfish Cherax quadricarinatus by hymenostome ciliates of the Tetrahymena pyriformis complex

Edgerton¹,

O’Donoghue²,

Wingfield³

et al. 1996

Dis. Aquat. Org.

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“…In particular, lobster impoundments and other holding facilities can facilitate development of epizootics with subsequent loss of valuable re-sources. Recently, ciliate parasites have gained recognition as etiologic agents of important diseases of crustaceans (Morado & Small 1995).…”

Section: Introductionmentioning

confidence: 99%

Description of Anophryoides haemophila n. sp. (Scuticociliatida:Orchitophryidae), a pathogen of American lobsters Homarus americanus

Cawthorn¹,

Lynn²,

Despres³

et al. 1996

Dis. Aquat. Org.

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The etiological agent of 'bumper car' disease in lobsters Homarus americanus is described as a new species of ciliate, Anophryoides haemophila (Scuticociliatida: Orchitophryidae). A. haemophila n, sp, is distinguished from other species in the genus by the curved rectangular oral polykinetid 2, a somatic kinety range of 16 to 18, and its relatively small size. The parasite is easy to maintain in vivo and in vitro for extended periods at 2 to 5°C. Apparently the ciliate can be a significant impediment to the economic viability of coldwater lobster impoundments in eastern North America. However, factors inducing epizootics of 'bumper car' disease are unknown.

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“…The genus Anophrys was established when a free-living marine ciliate was found feeding on dead animal tissue in an aquarium (Cohn 1866). Philasterine scuticociliate infections were subsequently encountered in wild and captive crustaceans (Morado & Small 1994, 1995, but the first adequate description did not occur until 1977 (Groliere & Leglise 1977). However, in the last few years, 3 new philasterine scuticociliates, Mesanophrys pugettensis (Morado & Small 1994), M. chesapeakensis (Messick & Small 1996) and Anophryoides haemophila (Cawthorn et al 1996), that infect crustaceans and cause mortalities have been described.…”

Section: Introductionmentioning

confidence: 99%

“…The recorded history of histophagous, philasterine scuticociliate infections of crustaceans is sporadic and their taxonomic status has been a major point of confusion (Armstrong et al 1981, Morado & Small 1994, 1995. The genus Anophrys was established when a free-living marine ciliate was found feeding on dead animal tissue in an aquarium (Cohn 1866).…”

Section: Introductionmentioning

confidence: 99%

Molt related mortalities of the Dungeness crab Cancer magister caused by a marine facultative ciliate Mesanophrys pugettensis

Morado¹,

Giesecke²,

Syrjala³

1999

Dis. Aquat. Org.

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Ciliate parasites and related diseases of crustacea: A review

Cited by 102 publications

References 76 publications

Systemic infection of freshwater crayfish Cherax quadricarinatus by hymenostome ciliates of the Tetrahymena pyriformis complex

Systemic infection of freshwater crayfish Cherax quadricarinatus by hymenostome ciliates of the Tetrahymena pyriformis complex

Description of Anophryoides haemophila n. sp. (Scuticociliatida:Orchitophryidae), a pathogen of American lobsters Homarus americanus

Molt related mortalities of the Dungeness crab Cancer magister caused by a marine facultative ciliate Mesanophrys pugettensis

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