Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes
Accessory respiratory organs (AROs) are a group of anatomical structures found in fish, which support the gills and skin in the process of oxygen uptake. AROs are found in many fish taxa and differ significantly, but in the suborder Anabantoidei, which has a labyrinth organ (LO), and the family Clar...
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MDPI AG
2021-04-01
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| author | Dobrochna Adamek-Urbańska Ewelina Błażewicz Magdalena Sobień Robert Kasprzak Maciej Kamaszewski |
| author_facet | Dobrochna Adamek-Urbańska Ewelina Błażewicz Magdalena Sobień Robert Kasprzak Maciej Kamaszewski |
| author_sort | Dobrochna Adamek-Urbańska |
| collection | DOAJ |
| description | Accessory respiratory organs (AROs) are a group of anatomical structures found in fish, which support the gills and skin in the process of oxygen uptake. AROs are found in many fish taxa and differ significantly, but in the suborder Anabantoidei, which has a labyrinth organ (LO), and the family Clariidae, which has a dendritic organ (DO), these structures are found in the suprabranchial cavity (SBC). In this study, the SBC walls, AROs, and gills were studied in anabantoid (<i>Betta splendens</i>, <i>Ctenopoma acutirostre</i>, <i>Helostoma temminckii</i>) and clariid (<i>Clarias angolensis</i>, <i>Clarias batrachus</i>) fishes. The histological structure of the investigated organs was partially similar, especially in relation to their connective tissue core; however, there were noticeable differences in the epithelial layer. There were no significant species-specific differences in the structure of the AROs within the two taxa, but the SBC walls had diversified structures, depending on the observed location. The observed differences between species suggest that the remarkable physiological and morphological plasticity of the five investigated species can be associated with structural variety within their AROs. Furthermore, based on the observed histology of the SBC walls, it is reasonable to conclude that this structure participates in the process of gas exchange, not only in clariid fish but also in anabantoids. |
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| id | doaj.art-b6b20e9a4a6649768e7326fdfd29498e |
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| language | English |
| last_indexed | 2024-03-10T12:13:44Z |
| publishDate | 2021-04-01 |
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| series | Animals |
| spelling | doaj.art-b6b20e9a4a6649768e7326fdfd29498e2023-11-21T16:02:50ZengMDPI AGAnimals2076-26152021-04-01114115810.3390/ani11041158Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae FishesDobrochna Adamek-Urbańska0Ewelina Błażewicz1Magdalena Sobień2Robert Kasprzak3Maciej Kamaszewski4Department of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, PolandDepartment of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, PolandDepartment of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, PolandDepartment of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, PolandDepartment of Ichthyology and Biotechnology in Aquaculture, Institute of Animal Science, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, PolandAccessory respiratory organs (AROs) are a group of anatomical structures found in fish, which support the gills and skin in the process of oxygen uptake. AROs are found in many fish taxa and differ significantly, but in the suborder Anabantoidei, which has a labyrinth organ (LO), and the family Clariidae, which has a dendritic organ (DO), these structures are found in the suprabranchial cavity (SBC). In this study, the SBC walls, AROs, and gills were studied in anabantoid (<i>Betta splendens</i>, <i>Ctenopoma acutirostre</i>, <i>Helostoma temminckii</i>) and clariid (<i>Clarias angolensis</i>, <i>Clarias batrachus</i>) fishes. The histological structure of the investigated organs was partially similar, especially in relation to their connective tissue core; however, there were noticeable differences in the epithelial layer. There were no significant species-specific differences in the structure of the AROs within the two taxa, but the SBC walls had diversified structures, depending on the observed location. The observed differences between species suggest that the remarkable physiological and morphological plasticity of the five investigated species can be associated with structural variety within their AROs. Furthermore, based on the observed histology of the SBC walls, it is reasonable to conclude that this structure participates in the process of gas exchange, not only in clariid fish but also in anabantoids.https://www.mdpi.com/2076-2615/11/4/1158air-breathing fishesfish histologyAROrespiratory epitheliumgills |
| spellingShingle | Dobrochna Adamek-Urbańska Ewelina Błażewicz Magdalena Sobień Robert Kasprzak Maciej Kamaszewski Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes Animals air-breathing fishes fish histology ARO respiratory epithelium gills |
| title | Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes |
| title_full | Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes |
| title_fullStr | Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes |
| title_full_unstemmed | Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes |
| title_short | Histological Study of Suprabranchial Chamber Membranes in Anabantoidei and Clariidae Fishes |
| title_sort | histological study of suprabranchial chamber membranes in anabantoidei and clariidae fishes |
| topic | air-breathing fishes fish histology ARO respiratory epithelium gills |
| url | https://www.mdpi.com/2076-2615/11/4/1158 |
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