Mylossoma, Eigenmann & Kennedy, 1903

Mateussi, Nadayca T. B., Oliveira, Claudio & Pavanelli, Carla S., 2018, Taxonomic revision of the Cis-Andean species of Mylossoma Eigenmann & Kennedy, 1903 (Teleostei: Characiformes: Serrasalmidae), Zootaxa 4387 (2), pp. 275-309: 279

publication ID

https://doi.org/10.11646/zootaxa.4387.2.3

publication LSID

lsid:zoobank.org:pub:366DF9BF-EA85-4DB4-9857-8E6D7B3B3E31

persistent identifier

http://treatment.plazi.org/id/014587BD-9242-FFE9-FF2C-F9CFB5CFF8DF

treatment provided by

Plazi

scientific name

Mylossoma
status

 

Key to the species of Mylossoma  

1. Last abdominal spines clearly separated from anal-fin origin................... M. aureum   (Amazon and Orinoco basins)

1'. Last abdominal spines reaching the anal-fin origin or almost so................................................. 2

2. Branched anal-fin rays 31 to 37 (rarely 30)............................. M. albiscopum   (Amazon and Orinoco basins)

2’. Branched anal-fin rays 26 to 32.......................................................................... 3

3. Circumpeduncular scales 30 to 34; perforated lateral-line scales 74 to 97; vertebrae 35 to 36................................................................................. M. duriventre   ( Paraguai, lower Paraná and Uruguai basins)  

3'. Circumpeduncular scales 34 to 40; perforated lateral-line scales 95 to 110; vertebrae 37............................................................................................... M. unimaculatum   (Tocantins-Araguaia basin)