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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Accessory Respiratory Organs of Fishes (With Diagram) | Chordata | Zoology

Generally adult fishes depended chiefly on pharyngeal gills for aquatic respiration. However, other devices also occur to supplement or replace gill respiration. All such additional respiratory organs, other than gills, are known as accessory respiratory organs. The development of accessory respiratory organs is found mostly in freshwater fishes of tropical region and very rarely in marine fishes. Sometimes the fishes [...]

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