Growth Rate and Survival Rate of Fishes

Significant parameters of intensive study of fish biology are observation of growth. It provides ideas about the health of single fish and the population. The growth of an organism can be defined by changes in body size over time. Since the age and growth of the fish are closely related, the age and growth rate … Read more

Strongyloides stercoralis: Morphology, Life Cycle and Pathogenesis

Strongyloides stercoralis is a nematode parasite which belongs to the family Strongylidae under order Rhabditida. It is a human pathogenic parasite which causes disease, known as strongyloidiasis. The parasite is also known as threadworm causing infection with fecal contamination of soil or water.  It is rare in developed countries while in the developing countries, it … Read more

Budgerigar (Melopsittacus undulatus): Species Profile

Image of Budgerigar-Melopsittacus undulatus

Budgerigar or budgie (Melopsittacus undulatus) is a small, long-tailed, seed-eating parrot, also known as the common pet parakeet or shell parakeet. In the wild, they can be found in native Australia, and native parts of South Africa. They became popular as pets in the 1920s and remain so today, with over 400 varieties of budgerigar … Read more

Panthera tigris : Species Profile

image of Panthera tigris

Panthera tigris is the biggest cat in the planet. It has a total body length that ranges from 10.0 to 26.0 ft. with weight up to 520 kg. The body contains a pattern of dark stripes with reddish-orange fur but the underpart is lighter in color. Systematic Position of Panthera tigris Phylum: ChordataSubphylum: VertebrataClass: MammaliaOrder: … Read more

Digestion of Food in Fishes

Digestion is a physiological process by which ingested food is broken down into simple, small and absorbable molecules with the help of enzymes. These enzymes are secreted from the pharynx, stomach, pyloric Caeca, intestinal mucosa and pancreas into the esophageal cavity. Digestive Juice and Enzyme Digestive juices and enzymes are part of the stomach and … Read more

Fish Feed: Natural, Artificial and Commercial

  Like other animals, fish need food to grow and survive. Fish food is the food that is consumed which results in growth, energy production and reproduction of the fish. Food plays an important role in fish breeding. Eating a balanced diet accelerates the growth of the fish and the fish reach sexual maturity in … Read more