Atlantic Bluefin tuna (Thunnus thynnus) Introduction: The Atlantic bluefin tuna (Thunnus thynnus) is a pelagic and schooling fish that is also known as the northern bluefin tuna, giant bluefin tuna. The species is the largest member of the Scombridae family and one of the largest bony fishes. Bluefin tunas are known to swim long distances and usually at high speed of up to about 1.5 knots and can also dive as deep as about 900 meters. The average lifespan of bluefin tunas is 15-30 years with up to 50 years for very large specimens. Description: Atlantic bluefins are dark blue to black blue above and silvery underneath with a gold coruscation covering the body and bright yellow caudal finlets.
Swift, strong, stealthy, and fascinating, sharks are marvelous fish. They are well known for their incredible sharp teeth, and vicious behavior. Sharks are extremely unique and an essential part of the ocean and sea ecosystem. There are over five hundred different types of sharks living in the world. Sharks can be divided into two main groups, large and small.
Fortunately their small size means that two or three can be kept comfortably in a 2 or 3 gallon aquarium. Of all the fish discussed here, these are probably the best for a large unheated bowl or small unheated aquarium. Zebra Danio, Brachydanio rerio: Not Ideal Most danios are small, the zebra danio being 1¾ inches in length, and they are tolerant of a wide range of temperatures. Their natural temperature range is 64-75F. However, they are fast swimmers and like to school which makes keeping them in a tiny aquarium
A few animals that have change in order to survive are the bull shark, the igloo viper, poison dart frog, and the red bore, according to “Costa Rica Animals”. “The Bull Shark and its Fresh Out Come” states that the bull shark had the most changes in itself in order to survive, the bull shark changed itself so it can breathe in salt and freshwater. This a huge change “according to “Freshwater biologist Smith Angel”(Costa rica and its changing habitat) says freshwater biologist Smith Angel. Because the bull shark change its lungs and cells in order to breathe oxygen from both fresh and saltwater. The Bull shark will most often go into freshwater or a river in to breed and raise its pups, “The Bull Shark will going into Fresh water only for breeding, which includes raising its pups witch is down by the mother” (Costa rica and its changing habitat) says freshwater biologist Smith Angel.
While juvenile abalone grazes for algae, diatoms and bacterial films, adults rely on drift algae, and if food becomes scares, they move after their food. Under farming conditions where most of abalones are produced, the macroalgae are the main abalone feed.However, many abalone farms use successfully high quality manufactured feed which has been found healthy and efficient in the production of high-quality
Along with this, most large seafood industries manage their own farming organization with aim to produce fresh, frozen, smoked or even canned before selling to local or international markets. (Boziaris, 2014) In the U.S., the packed for fish or shellfish products that have been canned differ each year between 500 million to a billion pound with tuna, salmon and clam as the major products. (Sea Grant,
Leather Back Turtle and its correlation with Human’s Food and Water Resourcing Activities. Species Description Weight: Adult: up to 2,000 pounds (900 kg) Hatchling: 1.5-2 ounces (40-50 g) Length: Adult: 6.5 feet (2 m) Hatchling: 2-3 inches (50-75 cm) Appearance: primarily black shell with pinkish-white coloring on their belly Lifespan: unknown Diet: soft-bodied animals, such as jellyfish and scalps, and pyro0somes Behavior: females lay clutches of approximately 100 eggs several times during a nesting season, typically at 8-12 day intervals. Life Cycle Juvenile leatherbacks may remain in tropical waters warmer than 26°C, near the coast, until they exceed 100cm in curved carapace length. Adults are pelagic and live in the open ocean, sometimes
Sea otters are omnivores as they do eat kelp and other sea-going plants. Regardless of this however, most sea otter people have an essentially flesh eating diet with sea otters known to eat more than 40 unique types of marine creatures. The sea otter chiefly chases ocean urchins, mollusks, crabs, snails and little fish in the water. The sea otter is one of only a handful couple of creatures on the planet that has the striking characteristic of utilizing devices, for example, rocks, keeping in mind the end goal to get at it 's prey. Sea otters have couple of normal predators in the ocean because of their vast size.
885 wahoo’s were examined and 53% of the wahoo had food containing primarily pelagic fish and squid. The most occurring food was frigate mackerel (Auxis thazard), porcupinefish (Diodon hystrix), and the flyingfish (Cypselurus spp.) (Manooch, 1983). They have also been recorded feeding on tunas, little tunny, dolphinfish, herrings, jacks, lanternfishes, scads, and pilchards. Even though wahoo is attracted traveling closely to floating debris or plants, such as sargassum spp., their diet makes them go out into the open waters and find food there.
Dungeness crab (Metacarcinus magister) Introduction: The Dungeness crab, Metacarcinus magister (formerly: Cancer magister), is also known as market crab, and San Francisco crab and belongs to the family Cancridae. The common name of this species comes from the port of Dungeness, Washington. This species is among California’s most popular shellfish and is one of the largest edible crabs along the Pacific Coast of America. The estimated maximum life span is from 8 to 13 years. Geographical range and habitats: The geographical range of Dungeness crab extends from Alaska's Aleutian Islands to Point Conception, California.