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Topic: Fish anatomy

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  Fish anatomy
The nostrils of a bony fish are used for smelling and not for breathing.
Bony fish have fins that are used for swimming, stability, and steering.
Fish have six main body shapes: flat (rays, skates, flounder, sole), fusiform (sharks, salmon, barracuda, tuna), eel like or elongated (eels, lamprey, needlefish), compressed (butterfly fish, angel fish), round (porcupine fish) and ribbon (cutlass).
www.geocities.com /Athens/Atrium/5924/fishanatomy.htm   (240 words)

  Fish anatomy - Wikipedia, the free encyclopedia
Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than does air.
Nearly all fish have a streamlined body, which is divided into head, trunk, and tail, although the dividing points are not always externally visible.
The caudal fin corresponds to the fish tail.
en.wikipedia.org /wiki/Fish_anatomy   (458 words)

 Flyingfish - Wikipedia, the free encyclopedia
Their most striking feature is their pectoral fins, which are unusually large, and enable the fish to take short gliding flights in order to escape predators.
To prepare for a glide, the fish swim rapidly close to the surface of the water, with their fins close to the body.
The fish rapidly move the lower lobe to propel themselves forward once the rest of the body has already left the water.
en.wikipedia.org /wiki/Flying_fish   (399 words)

 [No title]
Fishes have two layers of skin: a thin outer layer known as the epidermis, and a thicker inner layer known as the dermis.
The presence of extended rays on the caudal fin of a fish such as a Swordtail or an Emperor Tetra is often a reliable indication that the fish is male.
In fishes, the taste buds are primarily concentrated in the mouth, tongue and lips.
members.lycos.co.uk /HopkinsG/fishanatomy.htm   (2407 words)

 Fish Anatomy
Fish are animals that are cold-blooded, have fins and a backbone.
Other fish have less obvious teeth, such as the cardiform teeth in catfish which feel like a roughened area at the front of the mouth, or vomerine teeth that are tiny patches of teeth, for example, in the roof of a striped bass' mouth.
Fish caught from very deep water sometimes need to have air released from their swim bladder before they can be released and return to deep water, due to the difference in atmospheric pressure at the water’s surface.
floridafisheries.com /Fishes/anatomy.html   (1858 words)

 Fish Anatomy at Animal Corner
Fish anatomy is primarily governed by the physical characteristics of water, which is much denser than air, holds a relatively small amount of dissolved oxygen, and absorbs light more than does air.
Nearly all fish have a streamlined body plan, which is divided into head, trunk, and tail, although the dividing points are not always externally visible.
The caudal peduncle is the narrow part of the fish's body to which the caudal or tail fin is attached.
www.animalcorner.co.uk /marine/fish/fish_anatomy.html   (552 words)

 BBC - Science & Nature - Sea Life - Ocean info - Fish anatomy
Fish have a muscular tail with a caudal fin that propels them forward and a pair of pectoral fins, placed just behind the gills, used for steering and balance.
Fish are covered with a slimy secretion that decreases friction with the water, and nearly all species have scales to keep the body waterproof.
Fish are ‘cold-blooded’(poikilothermic), which means that their internal temperature is about the same as their external environment.
www.bbc.co.uk /nature/blueplanet/infobursts/fish_anatomy_bg.shtml   (481 words)

 Fish Anatomy, learn to identify and understand the different parts of a tropical fishes body   (Site not responding. Last check: 2007-11-02)
In most fish, the Caudal or tail fin is the main propelling fin.
The skin of fish is divided into two layers, the Epidermis (outer) layer and the Dermis.
Fish have the five senses man has as well as the Lateral line.
badmanstropicalfish.com /anatomy.html   (816 words)

 AgEdNet.com - Aquaculture Sample Lesson
Fish that are wide and flat or tend to stay on the bottom require lots of bottom space for growth.
Fish that are rounded and thin from side-to-side or laterally compressed tend to hover in the water and are not particularly fast swimmers.
Posterior or caudal pertains to the tail or rear of a fish.
www.agednet.com /ac104v.shtml   (2307 words)

 Florida's Freshwater Fishes
This includes several rather rare native fishes and 73 species of non-native fishes (fish that come from outside of the United States and would not have been found in Florida if it were not for man's intervention).
A check list of Florida's freshwater fishes, organized by scientific names, is also on the site, along with their common names and a link photos of many of the fishes.
A fish photo-gallery is also available with underwater shots of many Florida fishes along with some interesting facts about some of the fish.
www.floridaconservation.org /fishing/Fishes   (401 words)

 KentuckyLake.com | Fish Anatomy
SPINE: The primary structural framework upon which the fish’s body is built; connects to the skull at the front of the fish and to the tail at the rear.
Fish such as bass that are piscivorous (eat other fish) have fairly short intestines because such food is easy to chemically break down and digest.
Fish such as tilapia that are herbivorous (eat plants) require longer intestines because plant matter is usually tough and fibrous and more difficult to break down into usable components.
www.kentuckylake.com /fishing/fishfacts/anatomy.html   (1548 words)

 Fish Anatomy
As a fish grows, their scales produce "rings" much like a tree - and that is one way scientists can tell how old a fish is. Most fish get extra protection from a layer of slime that covers their scales.
Fish have the five senses man has, as well as the Lateral line, which is their sixth.
Fish also have elevated tactile sense, and is shown none better than in certain catfish who use their barbels as extensions of their body.
www.versaquatics.com /fishanatomy.htm   (1030 words)

 The Fish Wizards ~ Fish Anatomy is Complex and Compact
The soft membranes underneath contain blood vessels that extract the dissolved oxygen from the water entering the fish's mouth and afterwards are expelled through the gill plate slits.
Fish are able to fill or discharge 'gas' in the swim bladder; therefore, fish do not have to battle with their fins all the time in order to maintain certain levels in the water.
Now that we know a little more about the anatomy of fishes perhaps we will be able to appreciate and enjoy them more than we already do.
www.thefishwizards.com /html/anatomy.htm   (676 words)

 Fish Anatomy
Fish that feed in mid water have a terminal mouth, which is usually considered the “normal” fish mouth.
The gills are the organ by which gases are exchanged between the fish and the surrounding water.
Because freshwater fish live in the environment that they do, water is constantly passing in to their body by osmosis.
fish.mongabay.com /anatomy.htm   (1077 words)

 Fish Printouts - EnchantedLearning.com
The Coelacanth (pronounced SEE-la-canth) is a primitive lobe-finned fish that was thought to have been extinct for millions of years, but a living Coelacanth was caught in the Indian Ocean off the coast of South Africa in 1938.
Salmon are fish that live in the sea and spawn in fresh water.
The Bluefin tuna is a large, bony fish in danger of extinction from over-fishing.
www.zoomschool.com /subjects/fish/printouts   (819 words)

 Fish Anatomy & Physiology
The swimbladder is a unique organ found only in fish and is sometimes called the 'air bladder.' It is a smooth, gas-filled organ found in the abdomen of most fish.
Fish face an exceptionally difficult challenge because they live in a watery environment and tend to 'leak' a lot.
Fish need oxygen just like people, but the trick is getting the small amount of available oxygen out of the water and into the bloodstream.
www.peteducation.com /article.cfm?cls=16&cat=1992&articleid=583   (1023 words)

 References - A brief introduction to Fish Anatomy
Fish that have an eye on each side of their head learn to zero in on prey that's before them.
Fish who are generally larger (with the exception of bottom dwellers) that live in the deeper water do not distinguish between colors.
Lift the gill plate of the fish and judge the color, red means fresh, pink is not as fresh and gray is off limits for consumption.
www.netpets.com /fish/fishnews/articles/fishanatomy.html   (868 words)

 Build A Fish   (Site not responding. Last check: 2007-11-02)
Fish that can’t see very well because they live in cloudy, murky water often use their sense of smell to find food.
Since fish do not have lungs they get oxygen with gills, a feathery structure located behind the eyes that allows a fish to “breathe.” Water is passed over a fish’s pair of gills and dissolved oxygen can be extracted from water and carbon dioxide is released.
Anatomy- the separation of the parts of the organism in order to ascertain their position, relations, structure and function.
www.njmsc.org /Education/Lesson_Plans/Build_A_Fish.htm   (1485 words)

 Fins [text] - Hubbard's Fish Anatomy
The pectoral and pelvic fins are also commonly used as a means of quickly stopping the fish, controlling pitching (change of position from the horizontal) and to attract mates or startle other fish.
Fish, such as the sharks (Elasmobranchs) and tunas (Thunnids) are dependent on continual forward motion and their pectoral fins to regulate their place in the water column.
However; the use of the dorsal fin(s) by fish such as the bowfin (Amia calva), Mormyridae, seahorse, and pipefish provides both precise movement and the ability to move forward or backwards with equal ease.
fishanatomy.net /webpages/Facts/fins/fins.html   (721 words)

 Fish Anatomy - PlecoFanatics.com
Fish that have a "sit and wait" type hunting style are usually thick, deep, heavy bodied fish that have large round tail fins to push them forward more quickly.
As a fish grows, their scales produce "rings" much like a tree, and that is one way scientists can tell how old a fish is. Most fish get extra protection from a layer of slime that covers their scales.
Touch Fish also have elevated tactile sense and is shown none better than in certain catfish who use their Barbels as extentions of their body.
www.plecofanatics.com /forum/showthread.php?t=6178   (1177 words)

 Information on Fish Anatomy
The living species of fish are usually divided into three classes: the Agnatha, the jawless fishes, comprising the hagfishes and lampreys; the Chondrichthyes, the cartilaginous-skeleton fishes, such as sharks and rays; and the Osteichthyes, the bony-skeleton fishes, comprising all other living fishes.
In primitive bony fishes, such as the sturgeon, the vertebrae spaced along the notochord are still largely cartilaginous, but in most advanced bony fishes the vertebrae are bony and are united to form the backbone, and the notochord is no longer present.
The dorsal and anal fins may be supported by cartilaginous rods, as in the lampreys, by cartilaginous rods and horny rays, as in sharks, by horny rays, as in the spiny-finned fishes, or by bony rays (derived from scales) in the soft-rayed fishes.
www.lookd.com /fish/anatomy.html   (902 words)

 Fishstitchery   (Site not responding. Last check: 2007-11-02)
Many tourists on the boats choose to have prints made of their fish, rather than having it stuffed and mounted by a taxidermist.
The anal fin is on the lower side of the fish near the tail.
When the fish print is glued to the burlap, pin it in three or four spots to keep it secure while the glue dries.
www.frsd.k12.nj.us /copperarts/relatedarts/visualart/Fishstitchery.htm   (1208 words)

 Functional Morphology of the Giant Sea Bass   (Site not responding. Last check: 2007-11-02)
If the fish is bright and silvery, it most likely spends a great deal of its time near the surface or in shallow water.
This is because that is where the water is bright and silvery due to the light from the sun or moon.
Fish that are constant, steady swimmers will have a narrow and streamlined body with a forked tail.
www.ci.manhattan-beach.ca.us /sea-bass/morph.html   (601 words)

 Deschutes & Ochoco National Forests - Kids Pages - Fish Anatomy
These fins are very important for stability and some fish have adapted these fins for their own special purposes (such as a sucking appendage which helps anchor them to the ocean bottom, or into strong "walking" appendages!).
Fish with tails that are rounded or truncated are usually slow swimmers, but these tails are powerful so that these fish can swim far and long.
Fish that are continuous swimmers usually have a forked caudal fin, and the more active the fish is, the deeper the fork tends to be.
www.fs.fed.us /r6/centraloregon/education/kids/water-fish-anatomy.shtml   (699 words)

 Bad Fish - Human Anatomy and Physiology Edition - Part I - Case Study Collection - National Center for Case Study ...
The numbness in his lips and face made it almost impossible for him to communicate, but the hospital staff managed to at least understand the address he gave them and sent an ambulance in response.
The active toxin in the tissues of this fish is a chemical called tetrodotoxin.
Tetrodotoxin is in a class of chemicals known as neurotoxins due to the fact that it has its effects on nerve cells (neurons).
www.sciencecases.org /badfish/badfish_anatphys1.asp   (717 words)

 Fish Anatomy
Students are likely to gain more from their exploration of the world of the Brook Trout if they have a basic understanding of the anatomy and physiology of fish.
The air bladder reduces the energy a fish must expend to move their fins to maintain a certain position in the water.
The lateral line is what allows a fish to maintain its position in a school without bumping into other fish.
members.shaw.ca /amuir/fish_anatomy.htm   (1251 words)

 Information on Fish   (Site not responding. Last check: 2007-11-02)
Fish are cold-blooded aquatic animals with backbones, gills, and fins.
Most fishes are torpedo-shaped (fusiform) for efficient travel through water, but much variation occurs, from flattened and rounded, as in flounders, to vertical and angular, as in sea horses.
Fish were among the first animals systematically hunted by primitive humans.
www.lookd.com /fish   (223 words)

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