Species Profile
For
Wahoo
(Acanthocybium solandri)
Prepared for
MSC 276 – Marine Vertebrate Zoology
By
Dean Crenshaw dacrenshaw256@mail.cfcc.edu Submitted:
Names and Classification:
Scientific Name: Acanthocybium solandri
Common Name (English): Wahoo
Synonyms: Acanthocybium solandri also known as the: mackerel, queen-fish, barracuda, wahoo fish, kingfish, ono, peto.
Family: Scombridae - Wahoo
Description:
The wahoo has an elongated scaled body which that looks slightly compressed. It is a bluish green towards the dorsal of the body and silvery towards the bottom. There are numerous darker bars running below its lateral line fading towards its ventral part of its body. Its first dorsal fin has around 23-27 spines while the second dorsal fin only has nine finlets. It has a lunate caudal fin (Carpenter, 2011). It also has 12-14 anal soft rays but no anal spine. A very elongated jaw is seen. The mouth is very large with a beak-like snout (figure 2). They have jagged teeth. The maximum length caught was approximately 250 centimeters but range from 85-105 centimeters with a maximum weight of 83 kilograms (Luna, n.d.). It does not have any gill rakers. Pectoral fins (2) on each side of its body is present. A pelvic fin is also present. There is no caudal keel nor
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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. They are very fast swimmers which allows them to catch their prey with no problem and capture it (Gardieff,
Shall we? Have you ever wondered about their environment? Or how they survive in the water That they are in. Have you ever thought to your self”wow! Wonder what that Large Mouth Bas s eats?”.
The experiment was done by observing the Himantura leopard and Dasyatis Americana interactions with a school of fishinside a 760,000 gallon tank at the Adventure Aquarium for 90 minutes. There were two Himantura leopard organisms and approximately five to six DasyatisAmericana. A school of fish was observed as three fishes that are approximately three inches away from each other. When either species of stingray came within five inches of the described school of fish, it was marked down if any of the fishes in the school separated from the school by swimming in an opposing direction of the other fishes of the school. If a fish separated from the school, it was marked down as “break apart” for the specie of stingray that caused the separation.
First, we measured the skull of the Australopithecus using a caliper. We measured the cranium length, width and height and received different measurements. We used the measurements we found and estimated the brain size by using the formula given: 10^(2.53*log(Orbit Height)-2.29)= Body Mass. After plugging in the measurements, we found that the body mass of an Australopithecus is about 41 kilograms. From this, we can estimate that the brain size of this species is not large because their body mass is not large.
The way that the use to defend themselves is by a toxin and changing color. They are not very good at blending in. they get their name from how they swim. Did you know there are 3,000 in the population of Spanish Dancers. They have a flat but oval body shape.
River otters have beautiful coats and thus they have been hunted by many people. They mainly eat fish, but they eat many other easily accessible things, like shellfish, crustaceans, mollusks, oysters, birds, rodents, and frogs. Their population is hard to tally, but has been estimated to be over 100,000 based on harvest reports. River otters may be found in all states and territories of the U.S. and Canada. They will only settle into an area amidst concealing structures, generally consisting of foliage or rock piles.
The Great White Shark The Great White Sharks, known mostly because of their white underbellies, are one of the most powerful aquatic animals in the world. They can swim at about 25 Miles Per Hour (40 Kilometers per hour) because of their strong muscles and forceful tails. In addition to that, male Great Whites can grow around 11.5 to 13.1 feet long, while females can grow from 14.8 to 16.4 feet long. This paper will demonstrate how Great White Sharks are an important part of their ecosystem, how their diets work and will adequately describe their habitats. As predators in their ecosystem, Great White sharks help maintain the coral reefs and seagrass habitats.
Variation is a difference of characteristics such as structure, form, function, colour and size when compared to others of the same species within a specific environment. Variation can occur through mutation, the recombination between chromosomes and migration, of which usually happens due to environmental or genetic factors. Variation permits the survival of species in a changing environment and ensures protection from exposure to diseases or environmental disasters. Those who possess variation in species ensures that when their environment changes the individuals will have the variation that will allow them to survive while those who do not possess the variation will die out. This is natural selection and goes hand in hand alongside variation.
The skin of the Common Stingray compose of scales called “Dermal Denticles”. These V-shaped scales give off the slippery feel of Stingrays decreasing drag and turbulence when gliding through water. Similarly to Sharks, this feature of their skin allows them to be stealthy hunters swimming faster and quieter. The only difference between the two is that sharks have more aligned dermal dencticles pointing towards the back of their body while stingrays have their scales much more spread apart with irregular patterns. Physical appearance
Some of the fish consumed include pilchard, anchovy, and mackerel. Moreover, the large yellowfins prey on smaller members of the tuna family including skipjack tuna. Their body shape and speedy swimming enable the bluefin tuna to pursue and capture fast-moving baitfish such as flying fish, sauries, and mackerel. Yellowfins locate their food by sight during daylight.
Evolution Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Perciformes Family: Centrarchidae Genus: Micropterus Species: salmoides The normal weight of the largemouth is one kilogram. On the other hand, certain largemouth basses have gotten to be over ten kilograms in weight. The males usually does not get longer than 40 center meters, while the females can get to be 56 center meters long. The largemouth bass has a big, but somewhat slanted mouth.
Australian Giant Cuttlefish are in the following taxons, being ordered largest to smallest, Animalia, Mollusca, Cephalopoda, Sepioloida,Sepiidae,Sepia, lastly Apama. Their scientific name is, Sepia apama coming from their genus and species. Sepia apama is found about 100 meters under water around the southern coasts of Australia and Tanzania, in the seagrass beds of these coastal waters. Sepia apama typically eat small like crabs organisms called, crustaceans, and small fish. Sepia apama has predators in its own environment and hides from predators in an unusual way.
The seafood market is probably worth over $100 million (including imported seafood), there is a $10-15 million charter boat industry, probably an equivalently valued tournament fishery, and there is a recreational and subsistence marine fishery with direct expenditures of $24 million. The estimate of the Hawaii seafood market supply in 1990, is 20 million pounds ($50 million) from commercial fishing, 9 million pounds from recreational fishing, 15 million pounds ($30 million) from foreign imports, 24 million pounds ($45 million) from the mainland U.S., and 3.5 million pounds ($10 million) exported. There are many elements to these recent changes in Hawaii's seafood industry. Perhaps the first harbinger of change was the arrival of albacore trollers from the west coast en route to newly discovered fishing grounds north of Midway Islands late in the 1970's. This caused a new perspective on the nature of Hawaii's role in the Pacific wide fishery and led to some substantial changes on the Honolulu waterfront.
The two graphs shows the diving patterns of transient and resident killer whales within a three hour range after midnight. It also shows the depth of the ocean where the certain killer whale is traveling to. I believe that graph A represents resident killer whales and graph B represents transient killer whales. In graph A, the average bottom depth is from 75 to 125 meters, except for one spike at a shallow depth of around 35 meters.
The dolphins herds groups of mullets into the shallow water on the shoreline. The catches are very rare. Some names of the dolphins were Scooby, Felipe, Coroba, and more. The biggest dolphin hunts sea lions, squids, fish, seabirds, turtles, sharks, and larger whales. They call them Orcas.
Within the first group, Haplochrominae, there are two subgroups. Both subgroups require different environments which is something that you should consider when setting up the tank. The first one, known as Haps, consists of open water and sand dwelling species. The second subgroup is known as mbuna, which means “rockdwellers”. The Mbuna fish are smaller, and both sexes are often brightly colored, though in some species the females may be brownish overall.