Histological Description of the Electroreceptors and Other Key Tissues in the Black Ghost Knifefish, Apteronotus albifrons

Hutheyfa  Al-Salih; Ammar  A. Issa; Ilham  J. J. Alshami; Hussein  A. Saud; Gregory  paull

doi:10.36326/kjvs/2025/v16i117443

Authors

Hutheyfa Al-Salih Faculty of Veterinary Medicine, University of Kufa, Iraq
Ammar A. Issa College of Agriculture, University of Basrah, Iraq
Ilham J. J. Alshami College of Science, University of Basrah, Iraq
Hussein A. Saud College of Science, University of Basrah, Iraq
Gregory paull University of Exeter, UK

DOI:

https://doi.org/10.36326/kjvs/2025/v16i117443

Keywords:

Apteronotus albifrons, Black ghost knifefish, sensory cells, spinal cord, liver.

Abstract

Black ghost knifefish is a unique model for studying many biological aspects such as development of electroreceptors, which help in determining the evolutionary history among species on the one hand, and on the other hand explains the mechanisms used by these species to communicate with each other. In this study, we described tissues of some organs in Black ghost knifefish Apteronotus albifrons that included the gills, liver, kidney, oesophagus, vertebrae, spinal cord and electroreceptors. The study characterized the electroreceptors that embedded in the skin in this species for the first time. The histological examination using Haematoxylin and Eosin stains reveals that this type of electroreceptors is tuberous

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Author Biographies

Hutheyfa Al-Salih, Faculty of Veterinary Medicine, University of Kufa, Iraq

³Department of Pathology and Poultry Diseases, Faculty of Veterinary Medicine, University of Kufa, Iraq
Ammar A. Issa, College of Agriculture, University of Basrah, Iraq

Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Iraq
Ilham J. J. Alshami , College of Science, University of Basrah, Iraq

Department of Biology, College of Science, University of Basrah, Iraq
Hussein A. Saud, College of Science, University of Basrah, Iraq

Department of Pathological analyses, College of Science, University of Basrah, Iraq
Gregory paull, University of Exeter, UK

Department of Biosciences, University of Exeter, UK