Negative Effects Of Aquaculture

This shows that an environmental threat that blue crabs face is pollution because if about 1 million animals are dying each year because of pollution, we have a serious problem. ­­­­­­­­­­­­­­­­­­­­Furthermore, another ecological hazard that this incredible animal faces is fishing and it’s equipment. According to the text, “Modern fishing methods have created some serious problems for the ocean. The populations of almost all fish species that we eat have shrunken,”(Dignan 14). This proves that another environmental threat that blue crabs faces are fishing because they may not be a type of fish, but, like most crabs, they are fished, caught and sold.

a. N= (100*100)/36= 277.77 ~ 288 individuals in population b. Yes, the yellow tang is a species of saltwater fish. Even though they are the most common fish in areas like Hawaii and Japan, they live in shallow reefs and are commonly taken to be exotic pets to be put in aquariums which could affect their population

However, I caught a 42 inch shark in Florida (saltwater) which took me 20 minutes to reel in, and that is considered a small fish. They both have unique characteristics that make them completely different things. I’m going to prove that all fishing is not the same, saltwater and freshwater fishing are different sports based on dangerousness, cost, species, bait, and boat type. Most people assume fishing is a safe and easy hobby, however, fishing can actually be a dangerous activity. Saltwater fish have the potential to pull you into the water, bite you, or even sting you.

Cuttlefish are marine organisms which classified into animalia kingdom. They are grouped into spiida order and cephalopoda class. The common cuttlefish are scientifically known as the Sepia officinalis. The cuttlefish fish possess W-shaped pupils, 2 tentacles which consist of the denticulated suckers. They vary in sizes.

Lake Michigan is home to very diverse populations and species. The introduction of Asian carp into the Great Lakes has had an adverse effect on native fish and could jeopardize the fishing industry, particularly lake perch and trout populations. The Asian carp eat many tiny plants and animals, which are food for many native fish. This will eventually affect the population and growth of the Great Lakes native fish. The Asian carp should be removed from the Great Lakes as shown in the following paragraphs.

After a plethora of studies made we know quite a bit about the ocean and the creatures that live there. We know who is the prey and who is the predator, what temperature some live in, and where they live. We know so much about the ocean and its inhabitants, but we also don’t know enough. There is more in the ocean than the things we’ve seen and studied. There’s things deep down in the ocean so deep that light from the sun doesn’t even reach it.

During many years the tons of uncontrolled fish piled up in our markets and homes. To solve this situation and avoid the mislabeling and confusion we must create a system to control the other percent of imported food in order to avoid serious diseases. Loaded with mercury Since we were little kids we were thought that fish is good for us because it is rich in omega 3 fats which will do wonders for our health. Nowadays in this modern society where pollution has reached its highest point we can’t be sure that the food and especially the fish we consume are 100% healthy and clean. Tests conducted by Geological Survey have shown that tuna is high in mercury which may kill a person.

Obviously, the poison that is used in fishing (mainly cyanide) is harmful for the ocean because it may poison other fish over the years. Also, the usage of explosives are harmful because they all kill off things such as coral, and the damaging of coral reefs can take decades before it reverts back to its normal state. To reduce or totally eliminate the way these local practices are impacting the environment, we can place restrictions on what can be used in fishing, and how much you can catch. For example, we can limit fishers to only 10 fish a day. This would give the fish plenty of time to reproduce and would keep the population of the fish steady.

It prefers warm seaside waters and can be found in over forty countries. They can be found swimming around in sea grass fields from the coasts of Africa to Australia and even around South Asia. Their main diet is as many species of sea grasses as it can find. They rarely eat anything other than sea grass but will occasionally snack on algae if needed. They are strictly herbivores as they can eat up to 110 pounds of sea grass a day.

Kelp is one of the very bright, colorful plants found in the ocean. Kelp depends on sunlight and is found no deeper than 131 feet.Oar weeds is another common plant in the Pacific Ocean. Oar weed is a large seaweed that dark brown and can grow to three meters long. Oarweed was used as a fertilizer in the 18th century. A common animal of the pacific ocean is the reef triggerfish or the"Humuhumunukunukuapuaa.” This fish is the state fish of Hawaii.