scholarly journals A European eel ( Anguilla anguilla ) case study using structured elicitation to estimate instream infrastructure passability for freshwater fishes

Author(s):  
Merryn J. Thomas ◽  
Sayali K. Pawar ◽  
Stephanie R. Januchowski‐Hartley
2020 ◽  
Vol 719 ◽  
pp. 134938 ◽  
Author(s):  
Marjorie Lortholarie ◽  
Aurore Zalouk-Vergnoux ◽  
Mickaël Couderc ◽  
Abderrahmane Kamari ◽  
Yannick François ◽  
...  

2018 ◽  
Vol 52 (4) ◽  
pp. 279-288 ◽  
Author(s):  
F. Bakaria ◽  
S. Belhaoues ◽  
N. Djebbari ◽  
M. Tahri ◽  
I. Ladjama ◽  
...  

Abstract The aim of the study was to examine metazoans parasite communities of European eels (Anguilla anguilla) in freshwater (Tonga Lake) and brackish water (El Mellah lagoon) in the northeast of Algeria. Six parasite taxa were collected: one monogenean, Pseudodactylogyrus sp.; two crustaceans, Ergasilus sp. and Argulus foliaceus; two nematodes, Cucullanus sp. and Anguillicola crassus; one cestode, Bothriocephalus claviceps. Th e most prevalent parasite taxa in freshwater were Pseudodactylogyrus sp., A. crassus and Bothriocephalus claviceps; whereas in the brackish water, eels were infected mainly with A. crassus. Th e characteristics of the parasite component community structure revealed low parasite species diversity and high dominance values in eels from the two localities. Both communities were dominated by a single parasite species: Tonga eels by the monogenean Pseudodactylogyrus sp. and El Mellah lagoon eels by the nematode A. crassus, verified by high Berger-Parker dominance values of 0.76 and 0.87 respectively.


2019 ◽  
Vol 27 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Mathias J. C. Deleau ◽  
Paul R. White ◽  
Graeme Peirson ◽  
Timothy G. Leighton ◽  
Paul S. Kemp

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