Article (Scientific journals)
Stridulation sounds of the pacamã Lophiosilurus alexandri Steindachner, 1876 (Pseudopimelodidae), a threatened endemic Brazilian catfish.
Raick, Xavier; Kurchevski, Gregório; Godinho, Alexandre Lima
2025In Journal of Fish Biology
Peer Reviewed verified by ORBi Dataset
 

Files


Full Text
Lophiosilurus_alexandri_v5_postprint_author.pdf
Author postprint (657.14 kB)
Download

All documents in ORBi are protected by a user license.

Send to



Details



Keywords :
Siluriformes; São Francisco River; bioacoustics; fish sounds
Abstract :
[en] Pseudopimelodidae comprises 49 species of freshwater catfish endemic to South America, with limited research on their acoustic behaviour. This study focuses on the pacamã Lophiosilurus alexandri Steindachner, 1876, a vulnerable catfish species endemic to the São Francisco River basin, known for its ecological and economic importance. Sound production by this species was analysed for the first time. Three individuals were recorded while being held underwater revealing the production of two distinct sound types (type I and type II) associated with pectoral fin movements (abduction and adduction). Sounds were 85-135 ms long with a variable number of pulses or peaks. Type II sounds were longer and louder than type I sounds, with both types showing a similar peak frequency ranging between 200 and 500 Hz. The sounds were produced alternately by the pectoral fins, with occasional lateralization. More research is needed to determine whether these sounds can be used for monitoring or if they lack sufficient species-specific characteristics.
Research Center/Unit :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
Disciplines :
Zoology
Author, co-author :
Raick, Xavier  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Morphologie fonctionnelle et évolutive ; College of Agriculture and Life Sciences, K. Lisa Yang Center for Conservation Bioacoustics, Cornell University, Ithaca, New York, USA
Kurchevski, Gregório;  Department of Zoology, Fish Passage Center, Federal University of Minas Gerais, Belo Horizonte, Brazil
Godinho, Alexandre Lima;  Department of Zoology, Fish Passage Center, Federal University of Minas Gerais, Belo Horizonte, Brazil
Language :
English
Title :
Stridulation sounds of the pacamã Lophiosilurus alexandri Steindachner, 1876 (Pseudopimelodidae), a threatened endemic Brazilian catfish.
Publication date :
15 February 2025
Journal title :
Journal of Fish Biology
ISSN :
0022-1112
eISSN :
1095-8649
Publisher :
Wiley, England
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
14. Life below water
Funders :
King Leopold III Fund for Nature Exploration and Conservation
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Available on ORBi :
since 18 February 2025

Statistics


Number of views
8 (1 by ULiège)
Number of downloads
6 (0 by ULiège)

OpenCitations
 
0
OpenAlex citations
 
0

Bibliography


Similar publications



Contact ORBi