Results 21 to 30 of about 7,458 (221)

A case of intersex occurrence in Steindachneridion parahybae (Steindachner, 1877) (Siluriformes: Pimelodidae) under captivity condition: A cytogenetic and morphological study [PDF]

, 2016
Poco se sabe sobre la biología reproductiva de Steindachneridion parahybae , una especie de teleósteo gonocorístico en peligro de extinción que habita la cuenca del río Paraíba do Sul y en éste trabajo se describe por primera vez la aparición de ...
Caneppele, Danilo, Honji, Renato Massaaki, Lo Nostro, Fabiana Laura, Moreira, Renata G., Pandolfi, Matias   +4 more
core   +2 more sources

The profile of Carassius auratus growth and hepatosomatic index in different salinity

IOP Conference Series: Earth and Environmental Science, 2020
Abstract Carassius fish culture is usually carried out in freshwater with 0 ppt salinity, but the maintenance of 0 ppt salinity is less comprehensive in distributing fish culture itself. Therefore maintenance of fish with raised salinity is one of the solutions for cultivators so that fish farming can optimally be distributed. This study
L Ningsih, L Sulmartiwi, L Lutfiyah
openaire   +1 more source

Effects of cadmium and zinc on Procambarus clarkii: Simulation of the Aznalcóllar mining spill

Ciencias Marinas, 2005
Female red swamp crayfish, Procambarus clarkii, were exposed for 21 days in the laboratory to different dissolved concentrations of zinc (1000 µg L–1 and 3000 µg L–1) and cadmium (10 µg L–1 and 30 µg L–1), determined in the Guadiamar River after the ...
ML Martín-Díaz, SR Tuberty, CL McKenney-Jr, D Sales, TA Del-Valls   +4 more
doaj   +1 more source

Comparison of Reproductive Aspects of the Tropical Eel Anguilla bicolor (McClelland 1884) in Freshwater and Estuarine Habitats

Ilmu Kelautan, 2023
The tropical anguillid eel, Anguilla bicolor McClelland, experiences significant growth up to the adult size in both freshwater and estuarine ecosystems, encountering salinity gradients that may impact their reproduction.
Farida Nur Rachmawati, Untung Susilo, Frolan Aya   +2 more
doaj   +1 more source

Effects of organic plant oils and role of oxidation on nutrient utilization in juvenile rainbow trout (Oncorhynchus mykiss) [PDF]

, 2012
The study compared the effect of four either fresh or force oxidized organic plant oils in diets for juvenile rainbow trout (Oncorhynchus mykiss) in which 47% of conventional LT fish meal protein was substituted by a mixture of 3 organic plant protein ...
A. Jokumsen, Bell, Bligh, Bransden, Børsting, C. Jacobsen, Caballero, Dalsgaard, Fountoulaki, Geurden, Geurden, I. Lund, J. Dalsgaard, J. Holm, J.H. Hansen, Jobling, Kaitaranta, Kasumyan, Kolar, Koshio, Laohabanjong, Lund, Lund, Lutterodt, Menoyo, Mente, Ng, Peng, Petersen, Petterson, Pickova, Ping, Shahidi, Shantha, Singh, Sun-Waterhouse, Takeda, Tyl   +37 more
core   +1 more source

Viscerosomatic, hepatosomatic indices and condition factor of Barbonymus and Osteochilus genus in the freshwater river of North Aceh, Indonesia [PDF]

BIO Web of Conferences
North Aceh is one of the regencies in the Aceh province that has extensive freshwater fisheries. Commonly freshwater species found in this area are Barbonymus and Osteochilus genus.
Putra Abdul Samad Agus, Junita Afrah, Ilman Navia Zidni   +2 more
doaj   +1 more source

The annual cycle of spermatozoa content in the vas deferens and some reproductive parameters in the narrow-clawed crayfish Pontastacus leptodactylus (Eschscholtz, 1823)

Aquaculture Reports, 2019
Understanding the annual dynamic of gametes in crayfish is useful for successful management of crayfish population. The annual variations in spermatozoa content of vas deferens, gonado-somatic index (GSI), hepatosomatic index (HSI), vas deferens index ...
Ardavan Farhadi, Muzaffer Mustafa Harlıoğlu   +1 more
doaj   +1 more source

Pallas’ spadefoot Pelobates vespertinus (Pelobatidae, Amphibia) tolerates extreme hypoxia

The European Zoological Journal, 2023
Amphibians are believed to be sensitive to hypoxia, and in terms of this ability, they are between mammals with poor toleranсе to hypoxia and some turtles and fish with good tolerance to variable oxygen availability.
N. A. Bulakhova, E. N. Meshcheryakova, D. I. Berman   +2 more
doaj   +1 more source

Impact of a mouth parasite in a marine fish differs between geographical areas [PDF]

, 2012
Considerable variation exists in parasite virulence and host tolerance which may have a genetic and/or environmental basis. In this article, we study the effects of a striking, mouth-dwelling, blood-feeding isopod parasite (Ceratothoa italica) on the ...
Bandelt, Barson, Beerli, Beerli, Blanchet, Boots, Brooks, Brown, COCK VAN OOSTERHOUT, Cornell, Day, Day, De Meeus, Estoup, Excoffier, Fogelman, Folmer, Franch, Frank, Frank, Gandon, Gandon, Gandon, Gandon, Garrey, Gassman, Gomulkiewicz, Goñi, Hendry, Hochberg, Horton, Horton, Ketmaier, Kohler, Kraljevik, Kuparinen, Lloret, MARIA SALA-BOZANO, Mennerat, Miller, Miller, Mladineo, Muirhead, Møller, Møller, Nagasawa, Nielsen, Nuismer, Paterson, Petit, Raymond, Rozas, Räsänen, Sala-Bozano, Sala-Bozano, Sala-Bozano, Sandland, Schierup, Schioedte, Schwarzenbach, Simkova, STEFANO MARIANI, Suau, Tamura, Thompson, Thompson, van Oosterhout, van Oosterhout, van Oosterhout, Wild, Wolinska, Zibiden   +71 more
core   +1 more source

GROWTH OF Geophagus brasiliensis REARED AT DIFFERENT TEMPERATURES AND FEEDING REGIMES

Boletim do Instituto de Pesca, 2021
The aim of this study was to evaluate the growth performance of Geophagus brasiliensis rearedb under distinct temperatures (24.3 ± 0.9, 28.1 ± 1.0, and 31.7 ± 0.8°C) and feeding regimes (apparent satiety and a supply of 4% of the total biomass).
Leone de Souza MEDINA, Maurício Gustavo Coelho EMERENCIANO, Fábio BITTENCOURT, Giovanni Lemos de MELLO   +3 more
doaj   +1 more source