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Article
A low body-color regulating ability of spotted halibut Verasper variegatus: Evaluation of the roles of melanin-concentrating hormone and proopiomelanocortin systems
In teleosts, melanin-concentrating hormone (MCH) induces body brightening. On the other hand, α-melanophore-stimulating hormone (α-MSH), derived from the precursor proopiomelanocortin (POMC), leads to body dar...
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Article
Effects of background color and rearing density on stress-related hormones in the juvenile Japanese eel Anguilla japonica
Sustainable aquaculture of the Japanese eel Anguilla japonica requires an understanding of the physiological conditions of the fish under culture conditions. Therefore, we examined the effects of tentative stress...
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Article
An evaluation of the growth-promoting effects of green light on spotted halibut for its practical application in aquaculture
We examined the effects of tank color and stocking density on the growth of spotted halibut (Verasper variegatus) under a green light-emitting diode (LED). Fish reared for 40 days under a green LED (10 μmol m–2 ...
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Article
Open Accessα-Melanocyte-stimulating hormone directly increases the plasma calcitonin level and involves calcium metabolism in goldfish
The effects of α-melanocyte-stimulating hormone (α-MSH) on calcium metabolism were examined with goldfish. The scales on the left side of goldfish bodies were removed to allow the regeneration of scales under ...
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Article
Genome size distribution in phylum Cnidaria
Cnidarians are considered ancestral metazoans and, therefore, are important taxa for studying animal evolution. However, little is known about the group’s genome size (C value), which is an important parameter in...
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Article
Cloning of corticotropin-releasing hormone (CRH) precursor cDNA and immunohistochemical detection of CRH peptide in the brain of the Japanese eel, paying special attention to gonadotropin-releasing hormone
The stress-related corticotropin-releasing hormone (CRH) was first identified by isolation of its cDNA from the brain of the Japanese eel Anguilla japonica. CRH cDNA encodes a signal peptide, a cryptic peptide an...
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Article
The growth, feed conversion ratio and fin damage of rainbow trout Oncorhynchus mykiss under self-feeding and hand-feeding regimes
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Article
Effect of light intensity on self-feeding of rainbow trout Oncorhynchus mykiss reared individually
The self-feeding abilities of individually reared rainbow trout Oncorhynchus mykiss were investigated under four different light intensities (7×10−2, 1×10°, 5×101, and 7×102 lx). There was no significant effect o...