<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Osteoglossomorpha is a significant taxon for studies of evolution and various aspects of fish biology as an evolutionarily old group of fish. The taxon exhibits anatomical, morphological and physiological diversity and various adaptations such as air breathing or electroreception as well as modifications visible in sight and olfactory organs. A peculiarity of this group is the presence of four types of spermatozoa, namely complex introsperm and uni-, bi-, and aflagellate aquasperm. Given the unique morphology and large dimensions of some species, osteoglossomorphs are popular in aquaristics as ornamental fish, and in fisheries because they are an important source of food in many countries. The aim of this paper is to focus on some aspects of the biology and unique features as well as the importance for humans of this unusual group of fish.</p>
</abstract>

Osteoglossomorpha is a significant taxon for studies of evolution and various aspects of fish biology as an evolutionarily old group of fish. The taxon exhibits anatomical, morphological and physiological diversity and various adaptations such as air breathing or electroreception as well as modifications visible in sight and olfactory organs. A peculiarity of this group is the presence of four types of spermatozoa, namely complex introsperm and uni-, bi-, and aflagellate aquasperm. Given the unique morphology and large dimensions of some species, osteoglossomorphs are popular in aquaristics as ornamental fish, and in fisheries because they are an important source of food in many countries. The aim of this paper is to focus on some aspects of the biology and unique features as well as the importance for humans of this unusual group of fish.

Why Osteoglossomorpha is one of the most peculiar groups of fish - a review

Department of Cell Biology and Imaging, Institute of Zoology and Biomedical Research

Annals of Animal Science

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Why Osteoglossomorpha is one of the most peculiar groups of fish - a review"}

Osteoglossomorpha is a significant taxon for studies of evolution and various aspects of fish biology as an evolutionarily old group of fish. The taxon...

Why Osteoglossomorpha is one of the most peculiar groups of fish - a review

Published Online: Oct 29, 2022

Page range: 1193 - 1200

Received: Jan 05, 2022

Accepted: May 18, 2022

DOI: https://doi.org/10.2478/aoas-2022-0043

Keywords
bony-tongue fishes, biogeography, electroreception, air breathing, reproductive biology

© 2022 Anna M. Dymek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Why Osteoglossomorpha is one of the most peculiar groups of fish - a review

Published Online: Oct 29, 2022

Page range: 1193 - 1200

Received: Jan 05, 2022

Accepted: May 18, 2022

DOI: https://doi.org/10.2478/aoas-2022-0043

Keywordsbony-tongue fishes, biogeography, electroreception, air breathing, reproductive biology

© 2022 Anna M. Dymek et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
bony-tongue fishes, biogeography, electroreception, air breathing, reproductive biology