Archive | Rohu Fish

Rohu Fish: Origin, Economic Importance | Vertebrates | Chordata | Zoology

In this article we will discuss about:- 1. Origin of Rohu Fish 2. Systematic Position 3. Distribution 4. Economic Importance.  Origin of Rohu Fish: Class Osteichthyes (Gr., osteon = bone + ichthyes = fish) includes the ray-finned "bony fishes", both marine (e.g., cod, sole, herring, eels) and freshwater. Subclass Actinopterygii of class Osteichthyes are the commonest vertebrates of today. Its [...]

By |2017-07-03T08:33:15+00:00July 3, 2017|Rohu Fish|Comments Off on Rohu Fish: Origin, Economic Importance | Vertebrates | Chordata | Zoology

Respiratory System of Rohu Fish (With Diagram) | Chordata | Zoology

In Labeo, respiration is aquatic, occurring with the help of gills. Respiratory Organs: In Labeo, there are four pairs of gills present in the branchial chambers covered by operculum. Each gill has a double row of gill-filaments or branchial-filaments supported by gill-arch. Each gill filament bears numerous minute transverse lamellae covered with thin epithelium. These lamellae contain capillaries of afferent [...]

By |2017-07-03T08:33:14+00:00July 3, 2017|Rohu Fish|Comments Off on Respiratory System of Rohu Fish (With Diagram) | Chordata | Zoology

Skeleton of Rohu Fish (Labeo rohita): With Diagram | Chordata | Zoology

In this article we will discuss about the skeleton of rohu fish (Labeo rohita) with the help of suitable diagrams. Exoskeleton: Exoskeleton of Rohu Fish (Labeo rohita) comprises scales and fin-rays. Scales are cycloid type which are thin overlapping bony plates, partly covered by skin. Centrally each scale has an area called focus. Around focus there are concentric rows of [...]

By |2017-07-03T08:33:14+00:00July 3, 2017|Rohu Fish|Comments Off on Skeleton of Rohu Fish (Labeo rohita): With Diagram | Chordata | Zoology
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