Tag Archives | Bony 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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Parental Care in Fishes (With Diagram) | Vertebrates | Chordata | Zoology

Parental care can be defined as an association between the parents and the offsprings, so as to increase the chances of the survival of the young ones, and in fishes it includes all the post-spawning care of the offsprings by the parents. Most fishes do not care for their eggs or youngs and leave the spawning grounds soon after fertilisation. [...]

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

In many vertebrates, the exoskeletal covering of body is made of two types of scales- epidermal and dermal. Epidermal scales are cornified derivatives of the Malpighian layer of epidermis. They are well developed in terrestrial vertebrates such as reptiles, birds and mammals. Dermal scales are mesenchymal in origin and especially developed in the fishes. They are small, thin, cornified, calcareous [...]

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