Journal of Aquaculture & Marine Biology 

About: Journal of Aquaculture & Marine Biology is an academic journal published by MedCrave Group. The journal publishes majorly in the area(s): Biology & Aquaculture. It has an ISSN identifier of 2378-3184. It is also open access. Over the lifetime, 251 publications have been published receiving 836 citations. The journal is also known as: Journal of aquaculture and marine biology & JAMB.

Growth Medium Screening for Chlorella vulgaris Growth and Lipid Production

Abstract: Recently, microalgae are common in both industrial and scientific cultivation. There are different fields of application for microalgae includes food, biofuels, fish feed and pharmaceutical products [1]. Recently, various applications were found for Chlorella vulgaris (C. vulgaris) such as a health food, fish feed and nutrition supplements for human consumption, as well as for lipid and biodiesel production. Algae produced its own food by autotrophic nutrition. The food produced is stored as carbohydrates (mainly as starch) and lipid [2,3].

Molecular Detection of Aeromonas hydrophila as the Main Cause of Outbreak in Tilapia Farms in Egypt

Abstract: An outbreak recorded in Tilapia farms in Kafrelsheikh governorate with high mortalities ranged between 30-70 % in the summer season of 2014. This study was conducted for isolation and identification of the causative agent responsible for mortalities in four fish farms. Twelve Aeromonas isolates were identified by PCR using Aeromonas species primer at the molecular weight of (953 bp) then all strains were also confirmed by PCR as Aeromonas hydrophila using Aeromonas hydrophila specific-16S rRNA gene primer at the molecular weight of (103 bp).

Cultivation and Chemical Composition of Microalgae Chlorella Vulgaris and its Antibacterial Activity against Human Pathogens

Abstract: Microalgae are a group of unicellular or simple multicellular photosynthetic microorganisms and have been explored for their bioactive compounds and their extracellular products also possess with promising applications encompassing antibacterial, antiviral, antifungal, antialgal antiprotozoal and antiplasmodial activities [1-8]. They are divided into four groups (red, green, brown and blue green). This taxonomic group, not included in Plant kingdom but rather in the Protista kingdom, shows a high photosynthetic performance. So, algae can have a high reproductive potential and therefore can grow very fast. Now, humans can build a shining future to the next generations in different sectors of our daily life using microalgae for very different applications such as energy source, food, fertilizers, nutraceutical, cosmetics, pharmaceuticals, aquaculture purpose and pollution control. The development in algal therapeutic research has made it possible now a days by their bioactive compounds which have been found effective against most of the pathogens [9-17]. The microalgae has immense application in specific to bioactive compounds derived from algae with proven beneficial and much more effective as compared with traditional treatment methods. Fatty acids isolated from Coelastrella spp., R. violacea and Chlorella spp. were found active against human pathogens like S. aureus and low in S. pyogenes [18]. The production of microalgae biomass shows wide valuable uses, in the aquaculture, biotechnology, and food science, among others. However, microalgae show fluctuations in their chemical profile generated mainly by the culture conditions. The previous reports on the assessments of the effect was studied through nitrogen starvation and its totally depends on its growth, nutrient uptake, and gross chemical composition of two species viz. Chlorella spp. and Nannochloropsis oculata [19].

Factors Affecting Stream Fish Community Composition and Habitat Suitability

Abstract: The objective of this review was to provide an overview of the major biotic and abiotic factors that determine the composition of stream fish communities. Fish communities often consist of discrete and nonrandom species assemblages. Stream fish communities are all structured none randomly in space. In a meta-community framework, local fish communities may be structured by both spatial and environmental factors. Most fish in small, stable streams are most probably habitat specialists that have evolved various morphological and behavioral adaptations to exploit specific habitat types. Over large geographical and habitat scales, environmental filtering and anthropogenic effects are generally the most important determinants of assemblage variability. Streams are important habitats, providing shelter and feeding opportunities for a wide range of organisms like fish, insects, plants, mollusks, birds and mammals. Fish community structure depends on biotic interactions and abiotic variables. Predation is a major determinant of ecological patterns in fresh water fish communities. Resource partitioning among fishes suggest that competition may play an important role in the local organization of communities. Most studies are based on field observations, and many suggest that niche segregation rather than competitive exclusion is the predominant outcome resulting from competitive interactions. Finally, we saw that, fish community composition was negatively affected by human impact, Climate change, introduction of exotic spices and tourism or sports on streams.

Ciguatera, an Emerging Human Poisoning in Europe

Abstract: Ciguatera fish poisoning (CFP) is a food intoxication commonly affecting mainly the Caribbean Sea, Polynesia and other areas in the Pacific and Indian Oceans. Reports of CFP cases in several countries of Europe have most often resulted from Europeans travelling to CFP endemic areas. Recently however, dinoflagellates of genus Gambierdiscus, the producer of the toxins that cause CFP, have been detected in the Eastern Atlantic Ocean of the northern hemisphere and in the Mediterranean Sea. Actually, CFP cases have been confirmed in the Canary Islands and Madeira (Macaronesia area in the Eastern Atlantic). It is therefore very important to analyze the risks of ciguatera poisoning in Europe. With this, government of the Canary Islands decided to take preventive actions to prevent additional outbreaks of ciguatera in that area. With this work we establish the risk of consuming predatory fish, those most likely to have the toxin causing CFP, a total of 711 predatory fish samples were analyzed. Our work indicates that specific areas near Canary Islands, activity type, fish species and fish size determine the probability of catching fish containing ciguatoxin. Further, the possible contribution of climate change to the distribution of the toxin producers and ciguateric fish is discussed.