Article ; Online: The paradise fish, an advanced animal model for behavioral genetics and evolutionary developmental biology.
Journal of experimental zoology. Part B, Molecular and developmental evolution
2023 Volume 342, Issue 3, Page(s) 189–199
Abstract: Paradise fish (Macropodus opercularis) is an air-breathing freshwater fish species with a signature labyrinth organ capable of extracting oxygen from the air that helps these fish to survive in hypoxic environments. The appearance of this evolutionary ... ...
| Abstract | Paradise fish (Macropodus opercularis) is an air-breathing freshwater fish species with a signature labyrinth organ capable of extracting oxygen from the air that helps these fish to survive in hypoxic environments. The appearance of this evolutionary innovation in anabantoids resulted in a rewired circulatory system, but also in the emergence of species-specific behaviors, such as territorial display, courtship and parental care in the case of the paradise fish. Early zoologists were intrigued by the structure and function of the labyrinth apparatus and a series of detailed descriptive histological studies at the beginning of the 20th century revealed the ontogenesis and function of this specialized system. A few decades later, these fish became the subject of numerous ethological studies, and detailed ethograms of their behavior were constructed. These latter studies also demonstrated a strong genetic component underlying their behavior, but due to lack of adequate molecular tools, the fine genetic dissection of the behavior was not possible at the time. The technological breakthroughs that transformed developmental biology and behavioral genetics in the past decades, however, give us now a unique opportunity to revisit these old questions. Building on the classic descriptive studies, the new methodologies will allow us to follow the development of the labyrinth apparatus at a cellular resolution, reveal the genes involved in this process and also the genetic architecture behind the complex behaviors that we can observe in this species. |
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| MeSH term(s) | Animals ; Biological Evolution ; Developmental Biology ; Behavior, Animal/physiology ; Genetics, Behavioral ; Models, Animal |
| Language | English |
| Publishing date | 2023-10-11 |
| Publishing country | United States |
| Document type | Journal Article ; Review ; Research Support, Non-U.S. Gov't |
| ZDB-ID | 2103823-5 |
| ISSN | 1552-5015 ; 0022-104X ; 1552-5007 |
| ISSN (online) | 1552-5015 |
| ISSN | 0022-104X ; 1552-5007 |
| DOI | 10.1002/jez.b.23223 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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