Results 31 to 40 of about 6,228 (185)

Nanoplastics: Methods, Exposure and Effects on Domestic, Farm and Wild Animals

Journal of Applied Toxicology, EarlyView.
ABSTRACT Nanoplastics (NPs) are synthetic polymer particles ranging in size from 1 nm to 1 μm that have been identified as a major concern for ecosystems and organisms due to their plethora of negative effects. The aim of this review is to provide a comprehensive overview of the knowledge relating to exposure and effects of NPs in domestic (i.e., farm ...
B. De Felice, M. Bertazzo, A. F. Tabaran, M. Parolini, R. P. Popa, A. Pintea, L. J. Spicer, A‐L. Nagy, F. Caloni   +8 more
wiley   +1 more source

Wavelength Categorization by Goldfish ( Carassius auratus )

International Journal of Comparative Psychology, 2012
Goldfish pressed a paddle for intermittent food reinforcement in the presence of one of seven different monochromatic wavelengths. Wavelengths in 20nm steps from 430 to 690 nm, matched for "brightness," were then presented for 20 days during which food maintained responding to the training stimulus.
Goldman, Marjoire, Lanson, Robert, Brown, Gabriella G   +2 more
openaire   +3 more sources

Chromosomal localization and variation analysis of 5S rDNA in autotriploid Carassius auratus

Reproduction and Breeding
Polyploidization can induce a flurry of genetic events and plays an important role in speciation. In this study, we comparatively analyzed the molecular organization, chromosomal locus in natural autotriploid (3nCC, 3n = 150) and artificial autotriploid ...
Kun Zhang, Yuxin Zhang, Xu Huang, Chongqing Wang, Xidan Xu, Xiaowei Xu, Li Yang, Tingting Yu, Xiang Luo, Qingwen Xiao, Yue Zhou, Qinbo Qin   +11 more
doaj   +1 more source

Effects of Sediment‐Control Operations on Fish and Macroinvertebrate Communities in Dam Reservoirs

River Research and Applications, EarlyView.
ABSTRACT Sediments are avoided in many river and dam managements because of their adverse effects on water usage and flood control. Recently, sedimentation control measures, including sluicing, have been employed to manage sediments in river channels and restore communities in dammed rivers.
Daisuke Nakano, Jumpei Suzuki, Ryotaro Mori, Yusuke Shinyama, Yuuichi Kitago, Takashi Ihara, Tsuyoshi Saito   +6 more
wiley   +1 more source

Morphology of the Intestine of the Goldfish (Carassius Auratus) [PDF]

Bijdragen tot de Dierkunde, 1976
A survey of the structures of the intestine of the Goldfish is given. Several morphological techniques have been used. Special attention has been paid to those characteristics of this organ that may be of importance to physiologists working with the same material, with emphasis on cell-to-cell contact in the mucosal epithelium, which appeared to be ...
openaire   +2 more sources

Organization and expression analysis of 5S and 45S ribosomal DNA clusters in autotetraploid Carassius auratus

BMC Ecology and Evolution, 2021
Background Autotetraploid Carassius auratus (4n = 200, RRRR) (abbreviated as 4nRR) is derived from whole genome duplication of Carassius auratus red var. (2n = 100, RR) (abbreviated as RCC).
Chun Zhao, Yuxin Zhang, Huan Qin, Chongqing Wang, Xu Huang, Li Yang, Tingting Yu, Xidan Xu, Xiang Luo, Qinbo Qin, Shaojun Liu   +10 more
doaj   +1 more source

Genome Expansion of ZPB1(a) and ZPC1(a) in Basal Species or Liver Expression of ZPB1a and ZPC1aa in Advanced Species, Two Different Strategies to Ensure Sufficient ZP Synthesis in Teleosts

Integrative Zoology, EarlyView.
We found that teleosts employed two different strategies to ensure sufficient ZP (zona pellucida) synthesis: expansion of ZPB1(a) and ZPC1(a) in basal species or liver expression of ZPB1a and ZPC1aa in advanced species. The N‐terminus of expanded ZPB1(a) or ZPC1(a) and liver‐expressed ZPB1a contains repeated units or low‐complexity regions to form ...
Tian Gao, Suying Ma, Shiyi Zhang, Fan Bai, Lingyao Gan, Wenjing Tao, Feilong Wang, Deshou Wang, Lina Sun   +8 more
wiley   +1 more source

The First Record of Argulus Foliacesus (Crustacea: Branchiura) Infesta­tion on Lionhead Goldfish (Carassius Auratus) in Iran [PDF]

Iranian Journal of Parasitology, 2010
Argulus foliaceus (Crustacea: Branchiura), or the fish louse, is an ectoparasite of the skin or gill of the fresh water fish species. Clinical signs in infected fish include scratching on aquarium walls, erratic swimming, and poor growth.
AH Shahmoradi, Y Chelongar, V Noaman
doaj   +2 more sources

Complete Genome and Molecular Characterization of a New Cyprinid Herpesvirus 2 (CyHV-2) SH-01 Strain Isolated from Cultured Crucian Carp

Viruses, 2022
Cyprinid herpesvirus 2 (CyHV-2) is a causative factor of herpesviral hematopoietic necrosis (HVHN) in farmed crucian carp (Carassius carassius) and goldfish (Carassius auratus). In this study, we analyzed the genomic characteristics of a new strain, CyHV-
Jia Yang, Jinxuan Wen, Simin Xiao, Chang Wei, Fei Yu, Patarida Roengjit, Liqun Lu, Hao Wang   +7 more
doaj   +1 more source

A wild‐caught rosy barb Pethia conchonius in a British urban pond underscores the need to prevent aquarium releases

Journal of Fish Biology, EarlyView.
Abstract A specimen of rosy barb Pethia conchonius of 51 mm standard length, encountered in an urban pond in London, is reported. This small cyprinid is native to lakes and streams in subtropical regions of southern Asia and is commonly sold as an ornamental fish.
Peter J. Barry, Phil I. Davison, Luke Pearson, Gordon H. Copp   +3 more
wiley   +1 more source