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Topic: Feather stars


  
  AllRefer.com - feather star (Zoology: Invertebrates) - Encyclopedia
feather star, common name of a class of echinoderms that, as juveniles, are attached to the sea bottom by a stalk with rootlike branches; the mouth side faces upward.
Feather stars creep about by means of projections at the base of the crown, called cirri, which can grasp bottom objects.
Feather stars are classified in the phylum Echinodermata, class Crinoidea.
reference.allrefer.com /encyclopedia/F/feather-st.html   (266 words)

  
 ninemsn Encarta - Search Results - Feather
Feather, horny outgrowth of skin peculiar to birds but similar in structure and origin to the scales of fish and reptiles and analogous to the hair...
Feather Star, group of small, feathery-looking marine animals related to starfish and sea urchins.
Feather stars are very graceful and delicate, with...
au.encarta.msn.com /Feather.html   (87 words)

  
 Rob Toonen - Feather Stars .... #reefs Article www.reefs.org
The star decided "directly in front of" wasn't close enough, and promptly crawled onto the spray bar where it has remained ever since and seems to be doing just fine there.
Feather stars are no exception, and if the animal is unable to prevent algal growth, then it is obviously sick.
Feather stars feed by slowly waving their arms back and forth in a graceful, almost dance-like motion.
www.reefs.org /library/article/r_toonen13.html   (1960 words)

  
 Echinoderms (starfish, brittle star, sea urchin, feather star, sea cucumber)
Feather stars are primarily nocturnal but they are seen in the open during the day with their arms rolled up.
Feather stars are very abundant in areas exposed to periodic strong currents, because they feed on plaktonic food.
Snake stars (for example Ophiothela danae) are found entwined in the branches of fl corals or gorgonians where they feed on the rich mucus of their host, in turn performing cleaning functions.
www.starfish.ch /reef/echinoderms.html   (2461 words)

  
 Aquarium.Net Feather Stars Dec 96
Undoubtedly, the most beautiful of the echinoderms are the feather stars and sea lilies, or crinoids.
Feather stars are common reef inhabitants and are particularly diverse in the Indo-Pacific, where they are found in relatively high densities, but they are also found commonly in the Caribbean, although there are only a few species found there.
A tropical diurnal feather star from the shallow waters of Palau.
www.reefs.org /library/aquarium_net/1296/1296_9.html   (2432 words)

  
 Comactinia echinoptera   (Site not responding. Last check: 2007-10-14)
The two groups (sea lilies and feather stars) share a common body plan except that sea lilies are attached to the bottom by a stalk whereas the feather stars have no stalk or other permanent attachment.
Sea lilies are found in deep water whereas feather stars are primarily shallow-water animals that are often be found in coastal areas.
Living feather stars are difficult to relax and tend to curl into a ball when placed in magnesium chloride.
www.lander.edu /RSfox/310comactiniaLab.html   (2219 words)

  
 Section B - Feather Stars
Feather stars come in a great range of colours including some bright yellows and reds that appear to advertise the presence of the feather star to all around them.
Feather stars are found in oceans in the tropics, temperate and polar zones.
Feather stars are usually solitary but may occur in small groups around their favourite haunts.
www.reef.edu.au /asp_pages/secb.asp?FormNo=44   (581 words)

  
 OSSM INVERTEBRATE ZOOLOGY   (Site not responding. Last check: 2007-10-14)
The free-living feather stars prefer rocky bottoms and are most abundant in shallow tropical lagoons.
Star shaped, with arms not sharply marked off from central disc; ambulacral grooves open, with tube feet on oral side; tube feet often with suckers; anus aboral; pedicellariae present.
Star shaped, with arms sharply marked off from the central disc; ambulacral grooves closed, covered by ossicles; tube feet without suckers and not used for locomotion; pedicellariae absent.
www.ossm.edu /biology/echinos.htm   (291 words)

  
 BHI/Fossils & Minerals/Echinoderms/Crinoids
Feather stars cast off their stem and holdfast at an early stage of development.
Feather stars swim through the water or crawl along the ocean floor in search of food.
Feather stars are found in shallow and deep ocean waters but are most diverse in tropical reef environments.
www.bhigr.com /pages/info/info_crnd.htm   (716 words)

  
 Elisa Maldonado   (Site not responding. Last check: 2007-10-14)
Feather stars are filter feeders that arrange their arms in a variety of ways in order to capture food.
It was determined that each species of feather star arranges its arms in a specific way to feed, and prefers certain habitats.
Feather stars arrange their arms in three ways: parabolic (arms arranged like a bowl), fans, and radial filtration fans (arms arranged like spokes of a bicycle wheel).
www.nmnh.si.edu /rtp/students/2000/students_2000_maldonado.html   (365 words)

  
 Feather Star
This is mesmerizing to watch, and is similar to the movement used by the feather star to swim through the water.
The photo shows my favorite location for observing large clusters of Feather Stars, on the bridge of the HMCS Saskatchewan near Nanaimo, B.C. Crinoids are echinoderms, relatives of the sea urchin, starfish and brittle star, which all have five-fold symmetry and a skeleton of calcite plates.
Feather stars are often confused with brittle stars, which also lift their arms into the water to feed.
boydski.com /diving/photos/featherstar.htm   (315 words)

  
 Oceanlink | marine sciences education and fun
Feather stars are similar to sea lilies except that instead of a stalk, they have a circle of cirri (short arms) which grasp the substrate.
The body of feather stars consists of a crown, that is arms extended upwards with it's mouth in the center of the arms facing upwards.
Feather stars reproduce by producing gametes (eggs and sperm) in their arms where they also keep (brood) the fertilized eggs until they development into free swimming larva.
oceanlink.island.net /ask/echino.html   (8902 words)

  
 Sea World   (Site not responding. Last check: 2007-10-14)
Brittle stars have longer arms than Sea stars and the arms are flexible and used for swimming.
The body of the typical Feather star is cup-shaped, their numerous feathery arms project from a central disc.
Feather stars can crawl, roll, walk or swim but usually cling to sponges or corals.
www.seaworld.com.au /preview/SharkBay/sharkBay_details.cfm?SharkBay_id=5   (399 words)

  
 Echinodermata Sea Stars Feather Stars Sea Urchins Phuket coral reef ecology guide - Thailand Similan Burma
The phylum Echinodermata consists of 5 main classes – sea stars, brittle stars, sea urchins, sea cucumbers and feather stars.
This sea star is sometimes inhabited by a parasitic transparent fish that actually lives within its gut cavity.
Feather stars are one of the most visible members of the reef community.
www.diveasia.com /reef-guide/echinoderms.htm   (760 words)

  
 reefED - GBR Explorer - Crinoids   (Site not responding. Last check: 2007-10-14)
Feather stars, or crinoids, are among the most beautiful of reef creatures.
Feather stars can be found sitting on sea fans or in areas of high current.
Feather stars are nocturnal plankton feeders.  They do not move around very much but find a position on the reef where currents bring small animals that they filter through the net of their arms.
www.reefed.edu.au /explorer/animals/marine_invertebrates/echinoderms/crinoids.html   (184 words)

  
 Crinoids
Crinoids: Sea Lilies, Feather Stars: Often misidentified as brittle stars or entirely overlooked as hidden or decorative ornaments due to their plant-like appearance, immobile/anchored sea lilies and the related, mobile feather stars make up the most ancient class of the phylum echinodermata, the Crinoidea (cry-noi-day-ah).
Feather Stars are opportunistic sharers of space/habitats with other species, found on and in sponges, corals, all manner of slots and crannies.
Feather stars pass through this stalked stage as pentacrinoids for a few to several months before breaking off at the crown and becoming mobile.
www.wetwebmedia.com /crinoids.htm   (1369 words)

  
 Lab04_4
Sea stars are usually carnivorous predators using their suckers to capture and manipulate prey.
The arms of a brittle star are flexible, narrow, and emerge abruptly from the central body disc.
Feather stars lack the long stalks of their relatives the sea lilies.
www.pc.maricopa.edu /Biology/ppepe/BIO145/labs/lab04_4.html   (574 words)

  
 Creature of the Month   (Site not responding. Last check: 2007-10-14)
Feather stars, or crinoids, are so called because their arms look just like feathers.
Feather stars have a tenacious grip and anchor themselves to coral, seaweed, sponges, etc. They can swim by sweeping their arms up and down, or crawl slowly on the tips of the arms which are bent right over to hold the body away from the sea bed.
Unlike starfish, a feather star's mouth is on the top side of its body.
www.divingrebels.org /creaturefeatherstar.htm   (240 words)

  
 Singapore Zoological Gardens - Docent   (Site not responding. Last check: 2007-10-14)
Some brittle stars live in association with sponges and soft corals, feeding on the particles that land on the creature and probably helping to keep it clean.
Because Feather Stars filter feed from the current and not by grubbing in the mud, their mouths are on the upper body.
Feather Stars are the oldest and most primitive echinoderms.
www.szgdocent.org /resource/ff/f-reef6d.htm   (877 words)

  
 International Marine Aquarium Conference (IMAC) -Speakers 2004
Although my degree is in geology, my dissertation concerned the life habits and ecology of living feather stars (crinoid echinoderms) on coral reefs in the Caribbean.
Feather stars and sea lilies make up the Crinoidea, the most ancient living members of the echinoderm phylum, along with other echinoderm classes the sea stars, brittle stars, sea urchins, sand dollars, and sea cucumbers.
On coral reefs feather stars prefer current-exposed promontories, forereef slopes, and seaward edges of shallow reef platforms.
www.theimac.org /dmeyer.htm   (665 words)

  
 Wildlife of Sydney - Fact File - Orange Feather Star
The Orange Feather Star is the largest and most conspicuous feather star from Sydney.
Feather stars get their name from their long branched arms, which have a feathery appearance.
To feed, feather stars can have as many as 40 arms at any one time waving around catching small food particles, which are then wafted along the 'food grooves' to the mouth.
faunanet.gov.au /wos/factfile.cfm?Fact_ID=115   (153 words)

  
 Feathers - Decorative Feathers from Lamplight Feather
The stiff, cylindrical, sharp-pointed "midrib" of that feather is known as the shaft, or rachis (RAY-kiss).
Semiplumes have shafts like contour feathers, but their vanes are fluffy, not well organized with the barbs "zipped together" as in the contour type.
Down feathers look just like semiplumes, except that their fluffy barbs all arise from one point atop the "foot" of the feather (known as a calamus).
www.tonyhill.net /feathers.ivnu   (942 words)

  
 Color and Growth of Feathers (from feather) --  Britannica Student Encyclopedia
The many different types of feathers are variously specialized for insulation, flight, formation of body contours, display, and sensory reception.
Feather stars usually attach themselves to a surface or to some floating object and feed on drifting microorganisms, trapping them in the sticky arm grooves.
Discusses the use of feathers and whole birds for accessories, excessive hunting practices, subsequent devastation of native bird populations, and the formation of the Audubon society.
www.britannica.com /ebi/article-200605?tocId=200605&ct=   (868 words)

  
 Julie King's Sea Star Page - Who Zoo
They are invertebrates belonging to the phylum Echinodermata, the same phylum as sea lilies, feather stars, brittle stars, sea daisies, sea urchins, sand dollars, and sea cucumbers.
Sea stars range in size from 1-2 cm (.4-.8 in.) to 65 cm (26 in.) in diameter.
Anus: The anus is not always present in the sea star, but when it is, it is on the body's upper surface, in the middle of the central disc.
www.whozoo.org /Anlife99/juliking/seastarpage3.htm   (748 words)

  
 Gander Academy's Theme Pages: Sun Stars or Starfish
The echinoderms are a group of animals that includes starfish, urchins, feather stars, and sea cucumbers.
Sea stars form part of the group called Echinoderms which means "spiny skinned", and are part of the class Osteroidea which means "star like".
Frequenting regions rich in seaweeds, the sunflower star can be found in the intertidal and subtidal zones from Alaska to San Diego (although uncommon south of Carmel Bay in Monterey County).
www.cdli.ca /CITE/oceanstars.htm   (466 words)

  
 Amazon.com: Books: Broken Feather : A Journey to Healing   (Site not responding. Last check: 2007-10-14)
In Broken Feather, Suzanne Stutman takes the reader through an enchanted world of poetry and prose in an intensely personal journey from the buried depths of child abuse through the labyrinth of remembrance to the dawn of adult healing.
Stutman is an articulate and candid narrator of her own life, and Broken Feather is ultimately a testimony to the power of the human spirit to heal from the long suppressed wounds of child abuse.
Broken Feather is highly recommended reading for anyone dealing with the problems of overcoming child abuse legacies within themselves or their loved ones.
www.amazon.com /exec/obidos/tg/detail/-/0964826100?v=glance   (617 words)

  
 feather star on Encyclopedia.com   (Site not responding. Last check: 2007-10-14)
Viviparity in the sea star Cryptasterina hystera (Asterinidae)--conserved and modified features in reproduction and development.
Moammar Qaddafi likes to impersonate a desert chief, who pitches his tent where he pleases, a commander with a chestful of medals, a boss in dark glasses, a penitent terrorist, and he has a new star turn as an ally...
School of San José de los Naturales, Mass of Saint Gregory, 1539, feathers on wood with touches of paint.
www.encyclopedia.com /html/f1/feather-st.asp   (628 words)

  
 Echinoderms
Echinoderms form a large group of animals that contain the Sea Stars, Brittle Stars, Crinoids, Sea Urchins, and Holothurians (Sea Cucumbers).
The most common brittle star is Ophionereis schayeri which may grow to 300 mm across and has long, thin, dramatically banded arms.
Crinoids are different to other echinoderms because their mouth is in the centre of the top surface, and along the top of the each arm is a groove along the midline.
www.mesa.edu.au /friends/seashores/echinoderms.html   (365 words)

  
 Wildlife of Sydney - Sea stars, sea urchins and other echinoderms - Echinodermata
The echinoderms (Greek for spiny skin) include sea stars, sea urchins, feather stars, brittle stars and sea cucumbers.
Sydney is home to about 120 species of echinoderms and, because of their size and unusual shapes, they are one of the easiest groups to find on the rocky shore.
Sea stars often regrow arms bitten off by predators and, if disturbed, brittle stars drop off an arm or part of an arm.
faunanet.gov.au /wos/group.cfm?Group_ID=15   (142 words)

  
 VH1.com : Movies : Movie : The Feather and Father Gang : Plot
First telecast March 7, 1977, The Feather and Father Gang is the pilot episode for the weekly TV series of the same name.
Feather and Father work together to bring criminals to justice, Feather through legal channels and Harry via his many underworld connections and his repertoire of scams and stings.
The Feather and Father Gang was rightly regarded as a rip-off of the popular Switch, which starred Robert Wagner and Eddie Albert (ironically, Wagner and Powers would later team up for the successful detective weekly Hart to Hart).
www.vh1.com /movies/movie/85589/plot.jhtml   (198 words)

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