ADermocystidiuminfection inTrichomycterussp. (Osteichthyes, Trichomycteridae)
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چکیده
منابع مشابه
A new species of Ammoglanis (Siluriformes: Trichomycteridae) from Venezuela
A new miniaturized species of the trichomycterid genus Ammoglanis is described from the Rio Orinoco basin in Venezuela. It is distinguished from its only congener, A. diaphanus, by: a banded color pattern formed by internal chromatophores; 5 or 6 pectoral-fin rays (7 in A. diaphanus), 5/5 principal caudal-fin rays (6/6 in A. diaphanus), ii+6 dorsal-fin rays (iii+6+i in A. diaphanus), 30 or 31 v...
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A new species assigned to the genus Trichomycterus from the area of the waterfalls of Tabay stream, Paraná River basin, Misiones, Argentina, is described. Trichomycterus ytororo sp. nov. is distinguished from all other species in the genus by the presence of 31-35 dorsal procurrent caudal-fin rays and the combination of some external characters such as: coloration, number of pectoral-fin rays a...
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The reproductive aspects of Hemiramphus brasiliensis were analyzed with a view to verify the temporal dynamics of reproduction. This paper presents data on sex ratio, length at first sexual maturity, macroscopic and histological aspects of gonad development, gonadosomatic index (GSI), reproductive period, and fecundity of H. brasiliensis. The fishes were captured from the coastal waters of Rio ...
متن کاملTrophic ecomorphology of Siluriformes (Pisces, Osteichthyes) from a tropical stream.
The present study analysed the relationship between morphology and trophic structure of Siluriformes (Pisces, Osteichthyes) from the Caracu Stream (22º 45' S and 53º 15' W), a tributary of the Paraná River (Brazil). Sampling was carried out at three sites using electrofishing, and two species of Loricariidae and four of Heptapteridae were obtained. A cluster analysis revealed the presence of th...
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ژورنال
عنوان ژورنال: Parasite
سال: 2000
ISSN: 1252-607X,1776-1042
DOI: 10.1051/parasite/2000074323