A Colorless, Filamentous Chlorophyceous Alga, Cladogonium ogishimae Gen. et Sp. Nov., Parasitic on Fresh-water Shrimps

Hirose, Hiroyuki; Akiyama, Masaru

doi:10.15281/jplantres1887.84.137

Cited by 3 publications

(10 citation statements)

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“…are more likely to be infected with other pathogens, because Cladogonium sp. compromises the integrity of the body surface, as previously described for C. ogi shimae (Hirose & Akiyama 1971) and observed for the Cladogonium sp. described in the present study.…”

Section: Discussionsupporting

confidence: 69%

“…2 & 4). The structures of the thallus, rhizoid and zoo sporangia were similar to a pre vious description of Cladogonium ogishimae (Hirose & Akiyama 1971), al though some differences could be observed (Table 2). The fully developed zoosporangia mea sured 329.9 ± 13.8 μm in length (mean ± SD) and 102.7 ± 11.6 μm in width.…”

Section: Histological Examinationsupporting

confidence: 73%

“…might have persisting stages that remain in the bodies of shrimp after moulting. The hyphal attachment of the algae to the shrimp in this and previous cases (Hirose & Akiyama 1971) suggest severe damage of the body surface. The histological alterations of the cuticle and subcutaneous area that we observed, including thickening and infiltration with rhizoids, haemolymph and haemocytes, suggest that Cladogonium sp.…”

Section: Discussionsupporting

confidence: 62%

“…Green algae of the genus Cladogonium seem to be an exception. C. ogi shimae was first described in Japan from freshwater shrimp and was suspected to be a parasitic alga that attaches to shrimp in the pleo podal region (Ogishima 1950, Hirose & Akiyama 1971. It was subsequently described as an epibiont in Neocaridina davidi (Maci-aszek et al 2018) and as an ectoparasitic alga on the freshwater shrimp species Paratya compressa im pro visa, Macrobrachium longi pes de Haan, and Cari dina leukosticta Stimpson, 1860 (Hirose & Akiyama 1971), as well as Neocaridina denticulata (Matsuyama-Serisawa et al 2014).…”

Section: Introductionmentioning

confidence: 99%

“…C. ogi shimae was first described in Japan from freshwater shrimp and was suspected to be a parasitic alga that attaches to shrimp in the pleo podal region (Ogishima 1950, Hirose & Akiyama 1971. It was subsequently described as an epibiont in Neocaridina davidi (Maci-aszek et al 2018) and as an ectoparasitic alga on the freshwater shrimp species Paratya compressa im pro visa, Macrobrachium longi pes de Haan, and Cari dina leukosticta Stimpson, 1860 (Hirose & Akiyama 1971), as well as Neocaridina denticulata (Matsuyama-Serisawa et al 2014). Previous studies have suggested that the genus Cladogonium may belong to either the Tren tepohliales (Singh 1962), the Chaetophorales (Ogi shima 1950) or the Cladopho rales (Hirose & Akiyama 1971) within the phylum Chlorophyta.…”

Section: Introductionmentioning

confidence: 99%

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Association of the alga Cladogonium sp. with a multifactorial disease outbreak in dwarf shrimp (Neocaridina davidi)

Bauer¹,

Jung‐Schroers²,

Teitge³

et al. 2021

Dis. Aquat. Org.

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This study outlines a multifactorial disease outbreak in a population of the freshwater shrimp Neocaridina davidi, with the focus on a rarely described parasitic alga. Within this multifactorial disease outbreak, low but consistent mortality was observed. During microscopic examination, an infection of the shrimp with bacterial and fungal-like agents was diagnosed. Furthermore, the green alga Cladogonium sp. was found in pleopodal regions. The alga compromised the body surface of the shrimp, and its rhizoids penetrated the chitin shell and reached into the subcutaneous tissue. This might be a first indication of a parasitic lifestyle. In addition to a morphological description, sequencing data are presented which allow the taxonomic classification of the organism within the order Trentepohliales.

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Section: Discussionsupporting

confidence: 69%

Section: Histological Examinationsupporting

confidence: 73%

Section: Discussionsupporting

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Association of the alga Cladogonium sp. with a multifactorial disease outbreak in dwarf shrimp (Neocaridina davidi)

Bauer¹,

Jung‐Schroers²,

Teitge³

et al. 2021

Dis. Aquat. Org.

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Epibionts of ornamental freshwater shrimps bred in Taiwan

Maciaszek

Kamaszewski

Struzynski

et al. 2018

Annals of Warsaw University of Life Sciences - SGGW - Animal Science

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Epibiont Cohabitation in Freshwater Shrimp Neocaridina davidi with the Description of Two Species New to Science, Cladogonium kumaki sp. nov. and Monodiscus kumaki sp. nov., and Redescription of Scutariella japonica and Holtodrilus truncatus

Maciaszek

Świderek

Prati

et al. 2023

Animals

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This contribution presents the occurrence of epibiotic species associated with Neocaridina davidi shrimp collected in the wild, aquaculture ponds, and aquaria. A total of 900 shrimp are imported from Taiwan, three-quarters of which host at least one of the recorded epibionts. Among those epibionts, two species new to science are discovered, Cladogonium kumaki sp. nov. and Monodiscus kumaki sp. nov., while the other two, Holtodrilus truncatus and Scutariella japonica, are redescribed. The largest number of epibionts is found in shrimp collected from aquaculture ponds and the lowest in individuals from aquaria. Epibiont occurrence differs across designated microhabitats. The epibionts may be introduced alongside their host outside their native range, and their presence may affect shrimp breeding rates. Thus, more control over them should be provided. Their spread can be limited by removal from the host during molting or manually, as well as by using interspecies interactions.

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A Colorless, Filamentous Chlorophyceous Alga, Cladogonium ogishimae Gen. et Sp. Nov., Parasitic on Fresh-water Shrimps

Cited by 3 publications

References 0 publications

Association of the alga Cladogonium sp. with a multifactorial disease outbreak in dwarf shrimp (Neocaridina davidi)

Association of the alga Cladogonium sp. with a multifactorial disease outbreak in dwarf shrimp (Neocaridina davidi)

Epibionts of ornamental freshwater shrimps bred in Taiwan

Epibiont Cohabitation in Freshwater Shrimp Neocaridina davidi with the Description of Two Species New to Science, Cladogonium kumaki sp. nov. and Monodiscus kumaki sp. nov., and Redescription of Scutariella japonica and Holtodrilus truncatus

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