Results 251 to 260 of about 635,418 (312)

Evaluation of the Biological Activities of Peptides from Epidermal Mucus of Marine Fish Species from Chilean Aquaculture. [PDF]

open access: yesMar Drugs
Álvarez CA   +10 more
europepmc   +1 more source

Epigenomics in marine fishes

Marine Genomics, 2016
Epigenetic mechanisms are an underappreciated and often ignored component of an organism's response to environmental change and may underlie many types of phenotypic plasticity. Recent technological advances in methods for detecting epigenetic marks at a whole-genome scale have launched new opportunities for studying epigenomics in ecologically ...
David C H, Metzger, Patricia M, Schulte
openaire   +2 more sources

Monogamy in marine fishes

Biological Reviews, 2004
ABSTRACTThe formation of long‐term pair bonds in marine fish has elicited much empirical study. However, the evolutionary mechanisms involved remain contested and previous theoretical frameworks developed to explain monogamy in birds and mammals are not applicable to many cases of monogamy in marine fish.
Whiteman, Elizabeth A.   +1 more
openaire   +3 more sources

MARINE FISH MUSCLE NUCLEIC ACIDS

Canadian Journal of Biochemistry and Physiology, 1957
The muscles of six species of North Pacific ocean fish contained from 42 to 142 μg. per 100 mg. wet weight of ribonucleic acid (RNA) and from 0.2 to 2.5 μg. per 100 mg. of deoxyribonucleic acid (DNA). The molar ratio of purine and pyrimidine bases in lingcod and sockeye salmon muscle RNA was: adenine, 1.0; guanine, 2.0; cytosine, 1.0; and uracil, 1.25.
H M, BLUHM, H L, TARR
openaire   +2 more sources

Geriatric Freshwater and Marine Fish

Veterinary Clinics of North America: Exotic Animal Practice, 2020
As pain management finally becomes accepted for this last of the vertebrate taxa, fish medicine is finally reaching the sophistication of other vertebrates. The diseases of aging fish in captivity therefore need to be addressed. The degenerative organ/tissue changes and neoplasias of fish deserve the same diagnosis and treatments of their terrestrial ...
openaire   +2 more sources

Fishing Down Marine Food Webs

Science, 1998
The mean trophic level of the species groups reported in Food and Agricultural Organization global fisheries statistics declined from 1950 to 1994. This reflects a gradual transition in landings from long-lived, high trophic level, piscivorous bottom fish toward short-lived, low trophic level invertebrates and planktivorous pelagic fish.
, Pauly   +4 more
openaire   +2 more sources

Comparative hematology in marine fish

Comparative Biochemistry and Physiology Part A: Physiology, 1992
1. A comparative study involving 80 species (14 ray, 14 shark and 52 teleost species) of marine fish found at the southeastern Brazilian coast is presented. 2. Active species displayed higher values for all hematological parameters studied when compared to the less active forms. 3.
D, Wilhelm Filho   +5 more
openaire   +2 more sources

Bacterial diseases of marine fish

Veterinary Record, 1989
The principal bacterial diseases found among wild and cultured marine fish are reviewed. The bacterial agents discussed include the Gram-negative pathogens in the Vibrio, Aeromonas, Pasteurella and Edwardsiella genera, Renibacterium salmoninarum and the myxobacteria, streptococci, mycobacteria, nocardias and anaerobic organisms which have been ...
openaire   +2 more sources

Dimethylnitrosamine in Chinese marine salt fish

Food and Cosmetics Toxicology, 1973
Abstract Samples of marine salt fish from the markets in Hong Kong were analysed for N , N -dimethylnitrosamine (DMNA). Significant amounts of this compound, commonly in the 0·05-0·3 ppm range, were detected by gas chromatography and were confirmed in several samples by gas chromatography-mass spectrometry.
Y Y, Fong, W C, Chan
openaire   +2 more sources

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