Tag Archives | Aquatic Vertebrates

Dissection and Structures of Different Types of Fishes | Zoology

In this article we will discuss about the dissection and structures of different types of fishes. 1. Placoid Scale of Shark: Placoid scales are found in elasmobranchs. Preparation: Cut a small piece of skin from the dorsal surface of a shark (Scoliodon). Put it in a hard glass test tube containing 5 to 10% KOH solution. Boil with constant stirring [...]

By |2016-08-24T10:06:31+00:00August 24, 2016|Fish|Comments Off on Dissection and Structures of Different Types of Fishes | Zoology
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Migration in Fishes (With Diagram)

The following points highlight the six main types of migration in fishes. The types are: 1. Latitudinal Migration 2. Vertical Migration 3. Spawning Migration 4. Feeding Migration 5. Overwintering Migration 6. Shoreward Migration. Type # 1. Latitudinal Migration: This is performed by fishes like barracudas (Sphyraena) and swordfish (Xiphius) of the warm tropical seas. They migrate to north in spring [...]

By |2016-06-02T03:49:09+00:00June 2, 2016|Fisheries|Comments Off on Migration in Fishes (With Diagram)
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