Why Are Fish Essential for Our Environment and Health?
An English essay is an important way to develop your skills in English both in reading and writing. Topics are selected in such a way that they are relevant to the level of class. This also helps the students to gain knowledge about such relevant topics along with improving their writing skills and fluency in the language. Fish is a good topic for English essays of elementary and junior classes.
Essay on Fish
Fish is an aquatic creature and is found in small ponds, high mountain streams to even in the deepest ocean. It is an important resource for mankind, especially as a portion of food. There are around 35000 species of fish existing in the world, thereby exhibiting the greatest diversity in species among all vertebrate groups. They are one of the earliest organisms on earth and were initially referred to as soft-bodied chordates.
Characteristics
All fishes have a spinal cord and most breathe through the gills, have wings and scales. Fishes have an excellent sense of sight, touch, taste, smell and a good sense of 'hearing'. There are 25,000 known species of fish. The smallest fish is the Paedocypris which is less than 1/3 inch when fully grown. One of these is the whale which is called the largest fish found in the sea. This fish can swim in the sea at a speed of about 29 km per hour. The fish uses gills to breathe.
The Appearance of Fish
Fishes are very beautiful. The largest fish in the water is called whale which is the most dangerous. There are also many species of whale fish such as blue whales, killer whales, pilot whales, etc. The most dangerous and the largest species among them is the Blue Whale. Its length is about 115 feet and it weighs up to 150 tons. The skin of the fish is very thick, which we know by the name of Balwar, it stores energy and protects their body. These fish eat small fish. The life span of these fishes is about 80 to 100 years. The biggest threat to whale fish is from humans because they are generally targeted by humans.
When the Indian government saw that the species of whale are on the verge of extinction, hunting of whales was banned by the Government of India. Now if someone hunts a whale or gets it caught in a trap, there is a provision for punishment.
Description of White Shark
White shark fish are found in the sea. It is considered the largest fish in the sea. This fish hunts the small fish found in the sea. Some species of fish are also found inside the sea, which can kill a human. One of these poisonous fish is the stonefish. If a human eats this fish, he dies instantly. The fish detects a human body very easily underwater. White shark fish that are inside the water can decrease and increase their temperature, so white shark fish can live in cold water and hot water. White shark fish is a species of fish that has eyelids. Many species of fish are found such as goldfish, common carp, guppies, Nile tilapia, wels catfish, ocean sunfish, etc.
Hunting of Fish
Fishes are hunted in large quantities daily because precious items are prepared from their skin. Apart from this, fish are used in large quantities for eating, due to which there are some species of fish which are completely extinct and there are some species which have reached the level of extinction. Today, we are in urgent need to preserve these creatures. The hunting of whale fish has been banned by the Government of India so that it can be saved from extinction and people are still hunting them.
Short Essay on Fish
Fish is an aquatic animals, they are mostly found in the sea, rivers, lakes, and oceans. Nowadays, people hunt fish for their daily bread, making business from it. There are various kinds of fish, be they small or large sizes and different shapes. Some people keep them at home as a sign of fortune. Fishes are the queen of water, they can’t live without it. In the present scenario, we all know fishes are on the verge of extinction due to an increase in the hunting of fish for business purposes in the market, which is a disappointing phase.
Conclusion
Fishes are beautiful creatures gifted by god. Nowadays, fish are hunted in large quantities daily because precious items are prepared from their skin. Also, fish are used in large quantities for eating, due to which there are some species of fish that are completely extinct and there are some species that have reached the verge of extinction. Today, we are in dire need to preserve these creatures. The hunting of whale fish has been banned by the Government of India so that it can be saved from extinction but even then, people still secretly hunt this fish. They are the most beautiful creatures on Earth; we must take certain steps to save them.
FAQs on Essay on Fish: Discover Their Value in Nature and Nutrition
1. What key points should an essay on fish cover to be comprehensive?
A well-structured essay on fish should begin with an introduction defining what fish are and their general habitat. The body paragraphs should explore their diversity (types and sizes), their crucial role in aquatic ecosystems, their nutritional value for humans, and their economic importance. Conclude by summarising these points and touching upon the importance of fish conservation.
2. Why are fish considered so important for both nature and mankind?
For nature, fish are a vital part of the food chain, controlling populations of smaller organisms and serving as prey for larger predators, thus maintaining ecological balance. For mankind, they are a primary source of high-quality protein and omega-3 fatty acids. The fishing industry also supports economies worldwide, providing employment and contributing to trade.
3. What are the main nutritional benefits of including fish in our diet?
Fish is a powerhouse of nutrition, valued for several key components:
High-Quality Protein: Essential for muscle growth and body repair.
Omega-3 Fatty Acids: Crucial for brain health and reducing inflammation.
Vitamin D: A vitamin not found in many foods, important for bone health.
Essential Minerals: A good source of iodine, zinc, and selenium, which support thyroid function and immunity.
4. How do fish breathe underwater using gills?
Fish use their gills to breathe by taking in water through their mouths and forcing it over a series of feathery filaments rich in blood vessels. These filaments extract dissolved oxygen directly from the water into the bloodstream. At the same time, carbon dioxide waste from the blood is released into the water, which is then expelled from the body.
5. What is the difference between saltwater and freshwater fish?
The primary difference lies in their habitat and biological adaptation. Freshwater fish, like trout and catfish, live in rivers and lakes with low salt concentration. Saltwater fish, such as tuna and mackerel, inhabit oceans and seas with high salinity. They have different physiological mechanisms (a process called osmoregulation) to manage the salt levels in their bodies and survive in their respective environments.
6. Why is the conservation of fish populations a critical issue?
Fish conservation is critical because many species are threatened by overfishing, pollution, and habitat destruction. A decline in fish populations can disrupt the entire aquatic food web and negatively impact the livelihoods of millions who depend on fishing. Protecting fish ensures the health of our oceans and rivers and secures a vital food source for future generations.
7. Beyond their nutritional value, what are some interesting facts about fish that can be included in an essay?
To make an essay more engaging, you can include fascinating facts. For instance, some fish can change their gender during their lifetime. Many fish travel in groups called 'schools' for protection against predators. Also, fish like sharks lack a swim bladder and must swim constantly to avoid sinking. These details highlight their incredible diversity and adaptation.
