Food habits and daily feeding activity of fish populations are important ecological variables for understanding their role in the ecosystem. Diel changes in feeding activity and dietary composition of juvenile whitemouth croaker Micropogonias furnieri, shortfin corvina Isopisthus parvipinnis, shorthead drum Larimus breviceps and of juvenile and adult banded croaker Paralonchurus brasiliensis we...

BACKGROUND The miiuy croaker (Miichthys miiuy) is an important species of marine fish that supports capture fisheries and aquaculture. At present commercial scale aquaculture of this species is limited due to diseases caused by pathogens and parasites which restrict production and limit commercial value. The lack of transcriptomic and genomic information for the miiuy croaker limits the ability...

Different kinds of freezing-point regulators were evaluated to expand the freezing point zone of large yellow croaker, and several treatment methods such as ordinary atmospheric pressure, vacuum environment and injection during the process of penetration were compared to reveal the relationship of diffusion velocities, diffusion time and freezing point of the large yellow croaker. Results obtai...

Pampus argenteus (Euphrasen, 1788) is one of the most commercially important fish in North Gulf region, Iraq particular. It's stocks were critically endangered. The study showed semi-artificial spawning. mature brooders collected from region corresponding to Khor Al-Zubair. semiartificial spawning was done by mixing sperm and ova live fish. It found that fishes afternoon suitable for This resea...

This paper describes three distinct estrogen receptor (ER) subtypes: ERalpha, ERbeta, and a unique type, ERgamma, cloned from a teleost fish, the Atlantic croaker Micropogonias undulatus; the first identification of a third type of classical ER in vertebrate species. Phylogenetic analysis shows that ERgamma arose through gene duplication from ERbeta early in the teleost lineage and indicates th...

Abstract: In this paper, recent Eigenstructure Assignment (EA) algorithms are implemented to provide dynamic control of a Lynx helicopter in the hover, using the ideal eigenstructure derived by Clarke et al. [2003b]. First, a state-feedback controller is presented to demonstrate that the target eigenstructure is consistent with the kinematics of a helicopter, and that the closed-loop system mee...