نتایج جستجو برای: larval and juvenile fish

تعداد نتایج: 16860426  

ژورنال: بوم شناسی آبزیان 2015
Kolangi Miandare, Hamed , Akbarzadeh, Arash , Jafari, Omid ,

In the present study, the levels of the hypoxia-inducible factors (hif-1, hif-2) transcripts were evaluated during development of an ancient fish species, Beluga sturgeon (Huso huso) in a normal oxygen environment. The transcripts of hif-1, hif-2 were detected in all developmental time-points of H. huso from embryos to juvenile fish. Changes in normalized hif-1, hif-2 mRNA expression by using t...

Occurrence and distribution of larval and juvenile fish was investigated in nearshore waters of the southeastern Caspian Sea including the Gorgan Bay. Samples were collected during seven surveys using a fine mesh beach-seine in five sampling sites from July 2014 to June 2015. A total of 15500 individuals mostly juvenile were captured, representing 18 species from 8 families. Most juveniles belo...

H. Nasrollahzadeh, M. Rabbaniha, M.A. Afraei Bandpei, N. Pourang, S. Shahlapour,

Occurrence and distribution of larval and juvenile fish was investigated in nearshore waters of the southeastern Caspian Sea including the Gorgan Bay. Samples were collected during seven surveys using a fine mesh beach-seine in five sampling sites from July 2014 to June 2015. A total of 15500 individuals mostly juvenile were captured, representing 18 species from 8 families. Most juveniles belo...

2006
Su Sponaugle Kirsten Grorud-Colvert Deanna Pinkard

Thirteen cohorts of the Caribbean reef fish Thalassoma bifasciatum were collected over 4 yr (2000 to 2003) in the upper Florida Keys, USA. Juvenile fish were censused and collected from replicate reefs shortly after settlement. The otoliths were examined to obtain early life history information such as timing of spawning, larval growth, pelagic larval duration, size-at-age, timing of settlement...

M. Adel, M. Dadar, M. Ghasemi, M.J. Zorriehzahra, S. Ullah,

Betanodavirus is one of the two genera making up the family Nodaviridae and is the etiological agent of viral nervous necrosis (VNN, also known as viral encephalopathy and retinopathy or VER). The virus infects a large range of host species in more than 50 species of marine and freshwater fish worldwide from different geographical areas and the known host range continues to expand as new specie...

Betanodavirus is one of the two genera making up the family Nodaviridae and is the etiological agent of viral nervous necrosis (VNN, also known as viral encephalopathy and retinopathy or VER). The virus infects a large range of host species in more than 50 species of marine and freshwater fish worldwide from different geographical areas and the known host range continues to expand as new specie...

2013
Aaron Welch Ronald Hoenig John Stieglitz Zach Daugherty Bruno Sardenberg Sasa Miralao Dan Farkas Dan Benetti

Growth rates of larval and juvenile bigeye scad Selar crumenophthalmus reared in captivity were studied. The results are presented, discussed, and compared to wild S. crumenophthalmus and other pelagic fish. S. crumenophthalmus are a small pelagic carangid fish of circumtropical distribution. Larvae were reared in a modified mesocosm system and sampled daily for growth. Larvae grew to a mean si...

2006
D. F. Bertram R. C. Chambers W. C. Leggett

We address the hypothesis that fish that grow rapldly as larvae also grow rapidly as juveniles. Winter flounder Pleuronectes amerlcanus were reared from hatching through the larval period and up to 2 mo into the juvenile period. Successive cohorts of fish which metamorphosed on the same day were pooled and measured at weekly intervals during the early juvenile period. Growth rates of larvae and...

Journal: :Comparative biochemistry and physiology. Part A, Molecular & integrative physiology 2010
Roland M Koedijk Nathalie R Le François Pierre U Blier Atle Foss Arild Folkvord Delphine Ditlecadet Simon G Lamarre Sigurd O Stefansson Albert K Imsland

This study investigates the effect of diet during early development on growth and metabolic capacity in the juvenile stage of Atlantic cod. Growth in three groups of Atlantic cod juveniles (10-70 g) was measured at two salinities (15 per thousand or 32 per thousand) in combination with two temperatures (10 degrees C or 14 degrees C). Groups of cod from a single egg batch differed by having been...

This paper reports on the first successful backcross breeding between TGGG hybrid grouper and GG in captivity. To establish a seed production technique for this new backcross grouper, eggs and larval development were observed. Three successful spawning was observed in November 2018, September 2019 and November 2019. The eggs were collected using stripping methods and the sperms were collected u...

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