Introduction: The species Glossogobius giuris (Common name (English) ‘Tank Goby’, locally known as ‘Bele’ (in Bangla)) is widely distributed in the freshwater and estuaries of Bangladesh, India, Pakistan, Myanmar and Far East (Doha, 1974). This species generally inhabits clear to
Photofeature: Embryonic Developmental Stages of Fishes
Embryonic developmental stage of exotic grass carp (Ctenopharyngodon idella) of Bangladesh are observed through a binocular microscope. All photographs (which are given bellow) are taken with the combination of binocular microscope, DSLR camera and adapter applying own techniques.
Photofeature: Appendages of Giant river prawn, Macrobrachium rosenbergii
The body of Giant river prawn (Macrobrachium rosenbergii) is divided into two large parts such as cephalothorax and abdomen. Cephalothorax is consist of head and thorax. Nineteenth pairs of appendages are found in giant river prawn. Appendages are divided into
Respiration in Fishes
Respiration is a physiological process by which organisms exchange gases (especially intake of oxygen and releases of carbon-di-oxide),with the environment. This process is also known as external respiration. On the other hand, internal or cellular respiration means the oxidation of
Introduction to endocrine glands of fishes
The glands that secrete their products into the bloodstream and body tissues along with the central nervous system to control and regulate many kinds of body functions are known as endocrine gland. In fishes various endocrine gland has been found
Orange Snakehead: A new species of snakehead in Bangladesh?
Presence of numerous black spot on the bright-orange body surface of the fish makes it different from other five snakehead species in Bangladesh although the external characters are same. The external characters of the fish mostly found to be similar
In situ hybridization (ISH) for gene identification and function: Part-I
If you want to be a future molecular biologist or may be interested in tiny little particles inside your body that determines whether you will be the tallest/shortest person in your school or why your eye color is black not