Author: Rajkumar Pawar

Protochordata: Discovering the Characters and Classification with Examples

June 27, 2025June 27, 2025 Rajkumar Pawar

Protochordata: The organisms belonging to the Protochordata or acraniates are generally known as the lower chordates. They don’t form a “proper” taxonomic group and are only classified as such for convenience purposes. However, they do form a major group of Chordata. They are also known as Acraniata because they lack a true skull. Characteristics of…

Zoology

Ghost Frog Rediscovered After 130 Years

May 22, 2025May 22, 2025 Rajkumar Pawar

Ghost Frog: Researchers meticulously studied Germain’s travel accounts and other historical documents from the late 19th century. By reconstructing his likely route through the estate, they identified probable collection sites in the remote Andean foothills Ghost Frog Species: Alsodes vittatusLast Seen: 1902Rediscovery: 2024, Chile Species Last Seen Rediscovered Location Habitat Type Conservation Status Alsodes vittatus 1902 2024 La…

Overview of Sport Fisheries in India

May 22, 2025May 22, 2025 Rajkumar Pawar

Sport fisheries: It also known as recreational or angling fisheries, refer to fishing activities undertaken primarily for pleasure, recreation, or tourism rather than for commercial gain. In India, sport fishing is a rapidly growing segment within the tourism industry, attracting both domestic and international anglers due to the country’s diverse aquatic habitats and rich fish…

Fishery Science

Food and Feeding of Aquarium Fishes

April 22, 2025April 22, 2025 Rajkumar Pawar

Food and Feeding of Aquarium Fishes: The amount of food required depends upon the type of food, culture conditions, and individual fish. Food and Feeding of Aquarium Fishes Newly hatched larvae may feed almost continuously. Fish generally will not overeat, unless they are fed too infrequently. One to two feedings a day are best for…

SEC on Aquarium Fish Keeping

Common Diseases in Aquarium Fishes

April 16, 2025April 16, 2025 Rajkumar Pawar

Diseases in Aquarium Fishes: Aquarium fish are susceptible to various diseases, often caused by stress, poor water conditions, overcrowding, or the introduction of infected fish. Here’s a breakdown of common aquarium fish diseases, their symptoms, causes, and treatments: Common Diseases in Aquarium Fishes 1. Ich (White Spot Disease) 2. Columnaris (Cotton Wool Disease) 3. Velvet…

SEC on Aquarium Fish Keeping

Animal Tissue: Structure, Types and Functions

April 13, 2025April 13, 2025 Rajkumar Pawar

Animal Tissue: Animal tissues play a vital role in the structure and functioning of the animal body. They are essential for various physiological processes that enable an organism to survive and thrive. The study of animal tissues, known as histology, provides insights into how these tissues work together to form organs and systems that are…

Biology

Human Health and Disease

April 13, 2025April 13, 2025 Rajkumar Pawar

Human Health and Disease: Human health is one of the most important aspects of our lives, but it is often taken for granted until something goes wrong. From the moment we wake up, we rely on our bodies to perform countless functions, allowing us to live, work, and enjoy life. But what happens when disease…

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Biology