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Sex determination studies in two species of teleost fish, Oreochromis niloticus and Leporinus elongatus
(Acad Sinica Inst Zoology, 1996-10-01)
Genetic analyses of sex determination have identified sex chromosomes in many teleost fish species. However, there are several cases for which sex ratios do not fit perfectly with the expectations of heterogametic systems, ...
Follicular atresia in teleost fish: a review
(UNIV AUSTRAL CHILE, FAC CIENCIAS VETERINARIAS, 2011)
Many fish species with economic importance have been heavily exploited, causing the collapse of their fisheries. For this reason, there have been attempts to cultivate fish species for commercial purposes, resulting in ...
Acute toxicity and histopathologic effects of diquat herbicide on the gill and liver of nile tilapia (Oreochromis niloticus)Toxicidade aguda e efeitos histopatológicos do herbicida diquat na brânquia e no fígado da tilápia nilótica (Oreochromis niloticus)
(2008-01-01)
The lethal concentration of 50% (LC (I) 50-96h) and the histopathologic effects of diquat herbicide on Nile tilapia (Oreochromis niloticus) fish were evaluated in three experiments. The fishes were exposed to concentrations ...
Morphological study of the retina of salmon (Salmo salar) Estudio morfológico de la retina de salmones (Salmo salar)
(Universidad de la Frontera, 2015)
© 2015, Universidad de la Frontera. All rights reserved. The retina of teleost fish zebrafish, has become an important model for studying neuronal plasticity and neurogenesis. It was further shown that the retina undergoes ...
Rapid fish stock depletion in previously unexploited seamounts: the case of Beryx splendens from the Sierra Leone Rise (Gulf of Guinea)
(National Inquiry Services Centre Ltd, 2015)
Ultrastructure of ovarian follicular epithelium of the amazonian fish Pseudotylosurus microps (Gunther) (Teleostei, Belonidae): I. the follicular cells cycle of development
(Sociedade Brasileira de Zoologia, 2001-03)
The present paper deals with the changes on ultrastructural features of the follicular cells along the growth of the oocyte of Pseudotylosurus microps (Gunther, 1868). The epithelium pass from single squamous to pseudostratified ...
Temperature influence on post-prandial metabolic rate of Sub-Antartic teleost fish
(Elsevier Inc, 2010-06)
The influence of temperature on the aerobic metabolism and the energetic cost of food intake (Specific Dynamic Action; SDA) have been investigated in four species of Sub-Antarctic teleosts. The species were the notothenioids ...
Sperm morphology and ultrastructure of Patagonian blenny (Eleginops maclovinus)
(Elsevier Ltd, 2019)
In this study, the morphology and ultrastructure of Eleginops maclovinus spermatozoa were characterized through scanning and electron microscopy. Findings revealed that E. maclovinus spermatozoa can be differentiated into ...
Sex determination studies in two species of teleost fish, Oreochromis niloticus and Leporinus elongatus
(Acad Sinica Inst Zoology, 2014)