Osmoregulation in Fishes

Osmosis is the process by which the solvent enters the area from low density to high density. In this case, two different densities of a solution are separated by a differential permeable membrane. The kidneys play an important role in the osmoregulation of fish. However, most of the osmoregulatory functions are performed by other organs … Read more

Digestive System of Labeo rohita

Labeo rohita is the important food fish that belongs to the carp family Cyprinidae under order Cypriniformes of Class Actinopterygii. It is also known as rui, rohu, or roho labeo. It can tolerate a wider temperature range, and it is the most adaptable and important cultured fish species in Bangladesh, India, Pakistan, and Myanmar. They … Read more

Aquatic Adaptations of Mammals

image of Aquatic Adaptations of Mammals

There are many animals that have adapted to living in water, but mammals have evolved a range of traits that give them a competitive advantage in the water. The aquatic adaptations of mammals are more diverse than the adaptations of any other group of animals. Mammals can be found in all kinds of water bodies, … Read more

Nervous Tissue

Nervous tissue is also known as neural tissue. It is the prime component of nervous system which controls and regulates activity and bodily functions. It is composed of two parts: (1) Central Nervous System or CNS and (2) Peripheral Nervous System or PNS. In this case, CNS comprises the spinal cord and brain while PNS … Read more

Sense Organs of Labeo rohita

The sense organs of Rohu fish (Labeo rohita) consist of eye, internal ear, lateral line sensory organ and olfactory organ. These organs are made according to the general design of bony fish. Eye The basic structure of the eyes of Rohu fish (Labeo rohita)  is similar to the eyes of other vertebrates. The eyeball is … Read more

Rose-Ringed Parakeet

image of Rose-ringed Parakeet

Rose-Ringed Parakeet is a medium-sized parrot which is also known as ring-necked parakeet. It belongs to the family Psittaculidae under order Psittaciformes.  They are found in Africa and Indian subcontinent. Systematic Position Phylum: ChordataSubphylum: VertebrataClass: AvesOrder: PsittaciformesFamily: PsittaculidaeGenus: PsittaculaSpecies: Psittacula krameri You might also read: Best Parrot Cage: Review and Buying Guide 2021 Habit and … Read more