Archive | Fishes

Dipnoi: Geographical Distribution and Habitat | Chordata | Zoology

In this article we will discuss about:- 1. Geographical Distribution of Dipnoi 2. Habits and Habitat of Dipnoi 3. Peculiarities 4. Classifications 5. Affinities 6.Phylogeny and Significance. Contents: Geographical Distribution of Dipnoi Habits and Habitat of Dipnoi Peculiarities of Dipnoi Classifications of Dipnoi Affinities of Dipnoi Phylogeny and Significance of Dipnoi 1. Geographical Distribution of Dipnoi: The dipnoans, belonging to [...]

By |2017-07-14T08:37:58+00:00July 14, 2017|Fishes|Comments Off on Dipnoi: Geographical Distribution and Habitat | Chordata | Zoology
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Economic Importance of Fish | Vertebrates | Chordata | Zoology

Fishes form one of the most important group of vertebrates for man, influencing his life in various ways. Millions of human beings suffer due to hunger and malnutrition, and fishes form a rich source of food and provide a means to tide over the nutritional difficulties of man. In addition to serving as an important item of food, fishes provide [...]

By |2017-07-14T08:37:58+00:00July 14, 2017|Fishes|Comments Off on Economic Importance of Fish | Vertebrates | Chordata | Zoology
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Air-Bladder of Fishes (With Diagram) | Vertebrates | Chordata | Zoology

The air-bladder or swim-bladder is more or less a sac-like structure lying between the alimentary canal and the kidneys. It is a characteristic organ of Osteichthyes (bony fishes). It is a gas-filled pneumatic sac, called air-bladder or swim-bladder. Air-bladder does not occur in elasmobranchs. However, it is found in all Osteichthyes (bony fishes) except a few bottom dwellers (Lophius, Pleuronectes, [...]

By |2017-07-14T08:37:57+00:00July 14, 2017|Fishes|Comments Off on Air-Bladder of Fishes (With Diagram) | Vertebrates | Chordata | Zoology
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