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Fishes Found in the Rio Grande

Fishes Found in the Rio Grande. BY: Jessica Gutierrez Brigette Garay. Outline. I. Kinds of Fishes (or Types of Fishes). A.  Flathead and Channel Catfish B.  Black Drum II. Where Fish Live. A.  Salt Water B.  Fresh water

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Fishes Found in the Rio Grande

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  1. Fishes Found in the Rio Grande BY: Jessica Gutierrez Brigette Garay

  2. Outline I. Kinds of Fishes (or Types of Fishes). • A.  Flathead and Channel Catfish • B.  Black Drum II. Where Fish Live. • A.  Salt Water • B.  Fresh water III. The Senses of a Fish. • A.  Sight • B.  Hearing • C.  Smell • D.  Taste • E.  Touch and the lateral line system • F.  Other senses IV. Reproduction. • A.  Preparation for spawning • B.  Spawning and Care of the eggs • C. Hatching and Care of the young

  3. Catfish(Pylodictis olivaris) Catfish is the name of a large group of fish. Most catfish have two to four pairs of whiskers. More than 2,000 species of catfish also have sharp spines on the back fins and on the fins near the gills. The spines of some kinds of catfish give off a poison when they pierce another animal. Unlike other fish, catfish have no scales over their skin. Black Drum (Pogonias cromis) Drum is a member of about 160 species of fishes. Some drum are also called croakers. Drums get their name from the sound some of them make during the mating season. They tighten certain muscles in their abdomen to produce vibrations that sound like drumming. Kinds of Fishes

  4. Where fish Live CATFISH Some kinds of catfish live in fresh water, and others in saltwater. A few species of catfish live in swift streams. Drum Many kinds of drum live in warm, shallow ocean water near the shores of most continents. These fish spend part of their early life in fresh water rivers or in bays where fresh and salt water are mixed.

  5. The senses of a Fish • Like all vertebrates, fish have sense organs that tell them what is happening in their environment. The organs enable them to see , hear, smell, taste, and touch. • Sight Most fish can see to the right and to the left at the same time. A fish’s eyes are kept moist by the flow of water over them. They do not need to be shielded from sunlight because sunlight is seldom extremely bright underwater. Hearing All fish can probably hear sounds produced in the water. Fish can also hear sounds made on shore or above the water if they are load enough. Catfish have a keen sense of hearing. Fish have an inner ear endorsed in a chamber on each side of the head. Each ear consist of a group of pouches and tube like canals. Fish have no outer ears or eardrums to receive sound vibrations. Sound vibrations are carried to the inner ears by the body tissues. Smell All fish have a sense of smell. In most fish, the olfactory organs (organs of smell) consist of two pouches, one on each side of the snout. The pouches are lined with nerve tissue that is highly sensitive to others from substances in the water. A nostril at the front of each pouch allows water to enter the pouch and pass over the tissue.

  6. Taste Most fish have taste buds in various parts of the mouth. Some species also have them on other parts of the body. Catfish and a number of other fish have whisker like feelers called barbells near the mouth.They use the barbells both to taste and to touch. Touch in the lateral line system Most fish have a well developed sense of touch. Nerve ending throughout the skin the slam react to the sughtest pressure and change of temperatures. The lateral Line system senses changes on the movement of water. It consumes mainly of a series of tiny canals under the slam. Other senses Which include those that help a fish keep in balance and avoid unfavorable waters. The inner ears help a fish keep its balance. Fish can also sense any changes in the pressure salt content, or temperatures of the water and so avoid swimming very far into unfavorable waters.

  7. Reproduction • Preparation for spawning Most fish have a spawning season each year, during which they may spawn several times. The majority of fish spawn in spring or early summer, when the water is warm and the days are long. Spawning and care of the eggs After the preparations have been made, the males and females touch in a certain way or make certain signals with their fins or body. A number of fish protect their eggs. Hatching and care of the young. The eggs of most fish species hatch in less than a month. Eggs laid in warm water hatch fast a than those laid in cold water.

  8. Works Cited Fish and Boat Commission. “Fishing and Boating in Pennsylvania” (July 2002) 4 pp. Online. Internet. 14 June. 2004. Available: http://snes.state.pa.us/PA_Exec/Fish_Boat Smith, C, Labett. 1980. Fish. The World Book Encyclopedia. 7. 141-144. Texas Park and Wildlife Department.” Black Drum in Texas”. (April 2004) 5 pp. Online. Internet. 14 June 2004. Available: http://www.tpwa.state.tx.us/nsn/specmio/bikarum/bikarum  Wisby, Warren J. 1980. Catfish. The World Book Encyclopedia. 3.223-224.

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