Histopathology of Anilocra leptosoma Bleeker 1857 (Isopoda Cymothoidae) infestation on its new host Nematalosa nasus (Bloch 1795) from India

Sreekumaran Nair Balamurali Raghavan Pillai, . and Suresh Amrutha Shyla, . and Unni Arya, . and Mangalathettu Binumon Thankachan, . Histopathology of Anilocra leptosoma Bleeker 1857 (Isopoda Cymothoidae) infestation on its new host Nematalosa nasus (Bloch 1795) from India. pp. 93-98. ISSN 0116-6514

Cymothoid isopods are parasitic crustaceans that cause serious impact on marine fish and might lead to fish mortality and consequently economic losses. Histopathological alterations caused by Anilocra spp. have not been studied well. This study aims to report the histopathological changes caused by Cymothoid Anilocra leptosome Bleeker 1857 in the skin of Bloch's gizzard shad Nematalosa nasus (Bloch 1795). Histopathological examination of processed skin tissues showed changes caused by A. leptosoma such as hyperplasia and erosions of the epidermis associated dermal oedema and muscle degeneration. The host response also included an aggregation of subepithelial dense sheets of hemosiderin-laden macrophages within the dense mixed inflammatory cells. The cymothoid A. leptosoma are serious parasites of marine fish that can cause severe economic loss in the commercially important fish species. The present study represents the first record of the parasitic cymothoid A. leptosoma on N. nasus from India.

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Abstract

Cymothoid isopods are parasitic crustaceans that cause serious impact on marine fish and might lead to fish mortality and consequently economic losses. Histopathological alterations caused by Anilocra spp. have not been studied well. This study aims to report the histopathological changes caused by Cymothoid Anilocra leptosome Bleeker 1857 in the skin of Bloch's gizzard shad Nematalosa nasus (Bloch 1795). Histopathological examination of processed skin tissues showed changes caused by A. leptosoma such as hyperplasia and erosions of the epidermis associated dermal oedema and muscle degeneration. The host response also included an aggregation of subepithelial dense sheets of hemosiderin-laden macrophages within the dense mixed inflammatory cells. The cymothoid A. leptosoma are serious parasites of marine fish that can cause severe economic loss in the commercially important fish species. The present study represents the first record of the parasitic cymothoid A. leptosoma on N. nasus from India.

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Item Type:	Article
AGROVOC Term:	Isopoda
AGROVOC Term:	Nematalosa nasus
AGROVOC Term:	Parasites
AGROVOC Term:	Fishes
AGROVOC Term:	Sampling
AGROVOC Term:	Histopathology
AGROVOC Term:	Inflammation
AGROVOC Term:	Disinfestation of living organism
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/9766

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