Hebert Ely Vásquez
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View article: Adaptive Responses in Byssal Growth and Shedding: Insights from Pteria penguin Under Thread Trimming and Non-Trimming Conditions
Adaptive Responses in Byssal Growth and Shedding: Insights from Pteria penguin Under Thread Trimming and Non-Trimming Conditions Open
Bivalves use byssal threads for attachment and locomotion, periodically shedding and regenerating them. In the winged pearl oyster Pteria penguin—known for its strong byssus and its role in the pearl industry—shedding may occur when the by…
View article: Microplastic-Enhanced Cadmium Toxicity: A Growing Threat to the Sea Grape, Caulerpa lentillifera
Microplastic-Enhanced Cadmium Toxicity: A Growing Threat to the Sea Grape, Caulerpa lentillifera Open
The escalating impact of human activities has led to the accumulation of microplastics (MPs) and heavy metals in marine environments, posing serious threats to marine ecosystems. As essential components of oceanic ecosystems, large seaweed…
View article: Exploring diurnal and nocturnal valve gaping behavior in winged pearl oyster Pteria penguin juveniles
Exploring diurnal and nocturnal valve gaping behavior in winged pearl oyster Pteria penguin juveniles Open
The diurnal and nocturnal valve gaping behavior of the pearl oyster Pteria penguin was characterized through video analysis aided by open-source software. Juvenile pearl oysters were video-recorded for 48 hours under laboratory conditions,…
View article: Comparison of live microalgae and Spray-dried algae powder effects on growth, digestive and antioxidant capacity of juvenile pearl oyster <i>Pinctada maxima</i>
Comparison of live microalgae and Spray-dried algae powder effects on growth, digestive and antioxidant capacity of juvenile pearl oyster <i>Pinctada maxima</i> Open
The pearl production through the pearl oyster Pinctada maxima’s culture has developed slowly over the past decades due to over-fishing of wild populations and mass mortality at juvenile stages. Indoor farming is an alternative mode for P. …
View article: The effect of aquarium color background on the survival, growth performance, body coloration, and enzymatic activity of laboratory cultured Cherax quadricarinatus juveniles
The effect of aquarium color background on the survival, growth performance, body coloration, and enzymatic activity of laboratory cultured Cherax quadricarinatus juveniles Open
The effect of different background colors (red, yellow, blue, green, white, and black) on crayfish Cherax quadricarinatus juveniles was evaluated over a 50-day rearing period. Survival, growth, body color, and enzymatic activity were asses…
View article: Will ocean acidification affect the digestive physiology and gut microbiota of whelk <i>Brunneifusus ternatanus</i>?
Will ocean acidification affect the digestive physiology and gut microbiota of whelk <i>Brunneifusus ternatanus</i>? Open
To understand the physiological responses of the Brunneifusus ternatanus to future ocean acidification (OA), histology, enzyme activity and gut bacterial composition at different pH levels (Control : C group, pH 8.1; Exposure period : EP g…
View article: Will ocean acidification affect the digestive physiology and gut microbiota of whelk Brunneifusus ternatanus?
Will ocean acidification affect the digestive physiology and gut microbiota of whelk Brunneifusus ternatanus? Open
To understand the physiological responses of the Brunneifusus ternatanus to future ocean acidification (OA), histology, enzyme activity and gut bacterial composition at different pH levels (Control: C group, pH 8.1; Exposure period: EP gro…
View article: Effect of Different Colored LED Lighting on the Growth and Pigment Content of Isochrysis zhanjiangensis under Laboratory Conditions
Effect of Different Colored LED Lighting on the Growth and Pigment Content of Isochrysis zhanjiangensis under Laboratory Conditions Open
Light is one of the most important environmental factors affecting the growth and reproduction of algae. In this study, the effect of various LED colors on the productivity, chlorophyll (Chl-a, Chl-b, and total Chl), protein, and carbohydr…
View article: Shell color polymorphism and metabolic activity in hatchery-reared juveniles of silver-lip pearl oyster, Pinctada maxima
Shell color polymorphism and metabolic activity in hatchery-reared juveniles of silver-lip pearl oyster, Pinctada maxima Open
This study describes the shell color polymorphism and its correspondent metabolic activities in hatchery-reared Pinctada maxima juveniles. Analysis of color distances assessed the similarities among the different phenotypes (Ph); from the …
View article: Comparative Profiling of Survival, Growth, and Intestinal Microbial Community of Pearl Oyster Pinctada maxima Juvenile in the Industrial Farming: The Feasibility of Using Spray-Dried Microalgae Powder
Comparative Profiling of Survival, Growth, and Intestinal Microbial Community of Pearl Oyster Pinctada maxima Juvenile in the Industrial Farming: The Feasibility of Using Spray-Dried Microalgae Powder Open
Industrial farming is an alternative mode for Pinctada maxima juvenile cultivation to avoid mass mortality caused by natural disasters. Suitable and enough food is crucial for successful industrial bivalve farming. To investigate the feasi…
View article: Byssal re‐attachment behavior in the winged pearl oyster <scp><i>Pteria penguin</i></scp> in response to low salinity levels
Byssal re‐attachment behavior in the winged pearl oyster <span><i>Pteria penguin</i></span> in response to low salinity levels Open
The effect of low salinity levels on byssal re‐attachment behavior in Pteria penguin juveniles was observed in the laboratory. Juvenile pearl oysters were submerged in seawater blended to 8.0, 12.0, 16.0, 20.0, 24.0, 28.0, and 32.0 salinit…
View article: Larval settlement of the Pacific Oyster <i>Crassostrea gigas</i> in response to marine microbial films and monospecies bacterial films
Larval settlement of the Pacific Oyster <i>Crassostrea gigas</i> in response to marine microbial films and monospecies bacterial films Open
Larval settlement of the Pacific oyster Crassostrea gigas on microbial biofilms obtained by immersing half-size glass slides in the sea (1.0 m depth) off Taira-cho, Nagasaki, Japan for 1 to 24 days during the period between May 2009 and Ja…
View article: Variation in the abundance of periphytic algae in marine biofilms on glass surfaces submerged in the sea off Shin-Nagasaki Port, Nagasaki, Japan
Variation in the abundance of periphytic algae in marine biofilms on glass surfaces submerged in the sea off Shin-Nagasaki Port, Nagasaki, Japan Open
Glass slips were submerged in the sea (1 m depth) off Taira-cho, Nagasaki, Japan for 1, 2, 3 and 4 weeks every month from Jul 2010 to Oct 2012, and the dry weights, chlorophyll contents and diatom community structures of the marine biofilm…