Koi are colorful varieties of Amur carp which are kept for ornamental or decorative purposes in a water garden or koi ponds. Different varieties of ornamental koi are available in the pet market. They are originated in Japan in the 19th century. Koi can grow up to 36 (91 cm) inches in length with a … Read more
A stethoscope is a medical device used to listen to the heartbeat or other internal sounds of the human or other animal body. It is mainly used to hear the sound of heartbeat and breathing. However, it is also operated to hear the sound of blood flowing in the intestines, veins, and arteries. Stethoscopes can … Read more
Coralife is a trusted manufacturer of coral reef products. The Turbo-Twist Ultra Violet Sterilizer is one of their newest products, and it’s well-received by customers. In this review, we’ll discuss the features of the Coralife Turbo-Twist UV Sterilizer, as well as its pros and cons. We will cover everything from the way the device operates … Read more
Fish are the prime aquatic animals. Because only fish have evolved there in the aquatic environment with origin. The origin and development of any other vertebrate species have not been completed in the aquatic environment. Various changes have been made in the anatomical and physiological functions of fish for successful adaptation to the aquatic environment. … Read more
According to E.O. Wilson, there are 1.7 million species in the world. At present, this number is considered a small part of the world’s biodiversity. There are 751,000 species of insects known worldwide, including 112,000 species of Lepidoptera, 103,000 species of Hymenoptera, and 290,000 species of Coleoptera. There are also 290,000 beetle species. On the … Read more
The sac-like structure between the intestines and the kidneys of most fish is called a swimbladder. However, many times it is also called gas or air sac. It contains a mixture of carbon dioxide (CO2), oxygen (O2) and nitrogen (N2) gases. With the exception of a few areas, almost all bony fish contains swimbladder. The … Read more