Evaluating the use of the anterior ceratohyal morphology to diagnose Laetacara KULLANDER, 1986, with comments on other cichlid genera (Cichlidae: Cichlasomatini)

Vertebrate Zoology

article

Felipe Polivanov Ottoni¹ 

[1] Universidade Federal do Maranhão;Federal University of Maranhão

关键词: Anatomy;    Cichlinae;    Comparative Morphology;    Hyoid Arch;    Ichthyology;    Osteology;    Taxonomy;   

DOI  :  10.3897/vz.65.e31506

学科分类：社会科学、人文和艺术（综合）

来源: Pensoft

【 摘 要 】

The morphology of the anterior ceratohyal is herein analyzed in all the species of Laetacara currently known, and in some species of the tribes Cichlasomatini and Heroini, evaluating the use of this structure morphology to diagnose Laetacara as well as a key character to the classification of the tribe Cichlasomatini. It was concluded that the morphology of the anterior ceratohyal is not useful to diagnose species of Laetacara by being quite polymorphic among species of the genus. We can also conclude that the traditional use of this bone morphology in the taxonomy of the tribe Cichlasomatini at present stage of knowledge seems not to be appropriate due to the polymorphism occurring in the species analyzed herein, and until a similar work is done for the whole tribe.

【 授权许可】

CC BY