Results 71 to 80 of about 17,244 (204)

Parasite diversity in Oxydoras niger (Osteichthyes: Doradidae) from the basin of Solimões River, Amazonas state, Brazil, and the relationship between monogenoidean and condition factor. [PDF]

open access: yes, 2017
This study describes the parasitic fauna of Oxydoras niger from the Coari Lake, tributary of the medium Solimões River, State of Amazonas, Brazil, and the relationship between the number of Monogenoidea and the condition factor.
JERÔNIMO, G. T.   +3 more
core   +1 more source

Controlled Ghost Fishing: Effects of Soaking Times and Mesh Sizes on Catchability in Trammel Net Fisheries

open access: yesFisheries Management and Ecology, Volume 32, Issue 6, Page 405-417, December 2025.
ABSTRACT Trammel nets are used with extended soaking times to increase the catching efficiency for demersal fish in commercial fishing. Long soaking time causes deterioration or damage to species caught in the first days. Effects of soaking time were investigated with 36‐mm, 42‐mm, and 46‐mm mesh sizes soaked over 1, 3, 5, and 7 days on target, non ...
Yusuf Şen, Uğur Özekinci
wiley   +1 more source

On the occurrence of Zenopsis conchifer (Lowe, 1852) (Osteichthyes, Zeidae) in the Mediterranean Sea [PDF]

open access: yes, 2012
Sobre la presència de Zenopsis conchifer (Lowe, 1852) (Osteichthyes, Zeidae) al mar Mediterrani S’informa de la captura de quatre exemplars de Zenopsis conchifer, espècie que va ser citada per primera vegada al Mediterrani l’any 2007, a las costes de la ...
Esteban, A.   +2 more
core   +1 more source

Calorimetric characterization of the stability and activity of trimethylamine‐N‐oxide (TMAO) demethylase from Methylocella silvestris BL2

open access: yesProtein Science, Volume 34, Issue 11, November 2025.
Abstract Trimethylamine‐N‐oxide (TMAO) is an organic osmolyte found in numerous species and is known to have a range of biological effects. TMAO has recently garnered attention in the medical field due to its association with cardiovascular diseases, underscoring the need for its reliable detection and quantification.
Federico Cappa   +8 more
wiley   +1 more source

Application of Invertebrate‐Derived DNA Barcoding (iDNA) in Blood Sucking Leeches From West Sumatra: A Discovery of Blue‐Eyed Litter Frog Leptobrachium waysapuntiense

open access: yesEcology and Evolution, Volume 15, Issue 10, October 2025.
This study explores the use of invertebrate‐derived DNA (iDNA) from haematophagous leeches to assess vertebrate biodiversity in the tropical rainforests of Indonesia. By applying Sanger sequencing with five primer sets, we detected 17 unique vertebrate taxa, including the rare Leptobrachium waysepuntiense, demonstrating the potential of iDNA as a ...
Ardika Dani Irawan, Katsuyuki Eguchi
wiley   +1 more source

Alterações hematológicas e histopatológicas em pacu, Piaractus mesopotamicus Holmberg, 1887 (Osteichthyes, Characidae),

open access: yesActa Scientiarum: Biological Sciences, 2008
Este trabalho avaliou os valores hematológicos e glicêmicos e histopatologia de Piaractus mesopotamicus (Osteichthyes, Characidae) infectados com Monogenea Anacanthorus penilabiatus Boeger, Husak & Martins, 1995 (Dactylogyridae) após tratamento com 0,50 ...
Marcos Tavares-Dias   +6 more
doaj   +1 more source

The Immunoglobulins of Cold-Blooded Vertebrates [PDF]

open access: yes, 2014
Peer reviewedPublisher ...
Chen   +22 more
core   +2 more sources

A Dermocystidium infection in Trichomycterus sp. (Osteichthyes, Trichomycteridae)

open access: yesParasite, 2000
Two whitish elongate cysts in the left pectoral fin of Trichomycterus sp. (Osteichthyes, Trichomycteridae) were packed with Dermocystidium sp. spores.
Eiras J.C, Silva-Souza A.T.
doaj   +1 more source

Camallanus maculatus n. sp. (Nematoda: Camallanidae) in an ornamental fish Xiphophorus maculatus (Osteichthyes: Poeciliidae) cultivated in São Paulo State, Brazil Camallanus maculatus n. sp. (Nematoda: Camallanidae) em peixe ornamental Xiphophorus maculatus (Osteichthyes: Poeciliidae) cultivado no estado de São Paulo, Brasil

open access: yesArquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007
The present study describes Camallanus maculatus n. sp. (Nematoda: Camallanidae) from Xiphophorus maculatus (Osteichthyes: Poecilidae) collected in an ornamental fish farm in São Paulo State, Brazil. Thirty-three out of 40 examined fish were parasitized (
M.L. Martins   +3 more
doaj   +1 more source

Anatomical network analysis of the musculoskeletal system reveals integration loss and parcellation boost during the fins-to-limbs transition [PDF]

open access: yes, 2018
Tetrapods evolved from within the lobe-finned fishes around 370 Ma. The evolution of limbs from lobe-fins entailed a major re-organization of the skeletal and muscular anatomy of appendages in early tetrapods. Concurrently, a degree of similarity between
Abbasi   +73 more
core   +2 more sources

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