|
| |
| | * Anal - (Aquarium): Definition |
 | | The male wraps his body around the females genital area, so that the anal and caudal fins form a cup to receive eggs... | | | The male has a more pointed dorsal and anal fins and is more intensely colored. | | | Check for mouth and anal vent for sores... |
|
http://www.bestknows.com/aquarium/anal.html
(1582 words)
|
|
| |
| | Fish Terminology |
| | Anus: the external opening of the intestine, the vent | | | Mesocoracoid: a bone of the pectoral arch or shoulder girdle | | | Hyperostosis: a condition resulting in enlargement of areas of bone. |
|
http://www.austmus.gov.au/fishes/fishfacts/fish/glossary.htm
(1925 words)
|
|
| |
| | Pygocentrus nattereri, COLOR OF LIFE BY POPULATION |
| | The piranha's prey preference has yet to be determined, but evidence is pointing towards the perciform fishes, of the family Cichlidae (Kelso-Winemiller et al. | | | A change in color pattern does seem to develop as size increases. | | | An interesting relationship between Pygocentrus nattereri and Serrasalmus marginatus has developed. |
|
http://www.angelfire.com/biz/piranha038/nattereri_2.html
(2923 words)
|
|
| |
| | Fish Families ID |
| | 24A Body scale-less, with prickles only, pelvic fin with only 3-4 soft rays, no anal spine. | | | 21B No adipose fin; more than two dorsal spines......................... | | | 21A Adipose fin developed, only two dorsal spines |
|
http://www.nacs.net/~zeiglerp/fish_families_id.htm
(664 words)
|
|
| |
| | Fin Morphology in Gambusia |
| | Increase in anal fin elongation down Fenholloway River supports activity of breakdown products and not parent compounds. | | | Highest concentrations of naturally derived effluent components and largest responses (anal fin elongation and testosterone) at Fenholloway River system ( | | | Whole body hormone analysis for 17beta-estradiol and testosterone using RIA procedure. |
|
http://cars.er.usgs.gov/posters/Ecotoxicology/Fin_Morphology_in_Gambusia/fin_morphology_in_gambusia.html
(1044 words)
|
|
| |
| | PISCES - Peninsular Florida Freshwater Fish Key |
| | 12b) Front of head not depressed, without 8 long barbels; pectoral fins lack strong, serrated spines, body scaled....................................................... | | | 12a) Front of head depressed, with 8 long barbels; pectoral fins with strong serrated spines; body without scales....................................................... | | | 17a) Spines absent in dorsal and anal fins............................................... |
|
http://www.flmnh.ufl.edu/fish/southflorida/everglades/marshes/fishkey.html
(2121 words)
|
|
| |
| | Anal Stretching |
| | Anal stretching is a practice used by some working in the field of graphic pornography to train relaxation of the muscles of the anus, in order to allow them to more easily perform various forms of receptive anal sex. | | | For the medical procedure, anal dilation, see that article. | | | Individuals not involved in pornography may also use these techniques, generally also for anal sex. |
|
http://www.wikiverse.org/anal-stretching
(151 words)
|
|
| |
| | Fish Review |
| | Anal fin preceded by two free spines (spines may be connected to one another by a membrane in small fish and may become overgrown by skin and flesh in very large ones) | | | Pelvic fins thoracic, dorsal and anal fin with spines. | | | Pelvic fins thoracic, dorsal and anal fin with spines |
|
http://ww2.coastal.edu/richard/Ichthyology/fishreview.htm
(1849 words)
|
|
| |
| | Gamefish of the Amazon - Peacock Bass, Payara and Other Exotic Species |
| | Although body coloration and markings vary greatly, in any color phase, this fish has an unmistakable mottled patch directly behind its eye. | | | Behavior: Cichlids show some of the most complex and highly evolved behavior patterns of all fishes. | | | All have only one nostril on each side of the head, not two as in other fishes and they have both a spiny, and a soft, dorsal and anal fin. |
|
http://www.acuteangling.com/Reference/SAFishArt.html
(8552 words)
|
|
| |
| | Serrasalmus species, Convex Anal Fin piranha unknown |
| | The body is more elongated like those in S. | | | The eye is large and the body color being dusky. | | | Whatever it is, I have never seen an anal fin in a piranha with that type of morphology, and still presume that it is some kind of variant (or the result of damage). |
|
http://www.angelfire.com/biz/piranha038/convex.html
(746 words)
|
|
| |
| | IngentaConnect Effects of 17alpha-Methyltestosterone on Sexually Dimorphic Chara... |
| | These sexually dimorphic structures seem to facilitate the anal-fin reflex that is displayed during courtship when the male envelopes its anal fin around the female's to form a common spawning pouch. | | | Rays of the dorsal or caudal fins were never affected. | | | Expanded bone could provide additional surface for muscle attachment and thus assist in part with the courtship sequence. |
|
http://api.ingentaconnect.com/content/ap/hb/1998/00000034/00000003/art01486
(291 words)
|
|
| |
| | FishFamilies |
| | Dorsal and anal fins with 2 or 3 weak spines. | | | Anal and dorsal fins with one or more weak spines. | | | Cottidae ‑ (sculpins) pectoral fins much expanded; body without scales; dorsal fin with more than 6 spines; pelvic fin I 3‑4; no anal spines. |
|
http://pages.slu.edu/faculty/aspinwalln/fishfamilieswebpage.htm
(720 words)
|
|
| |
| | [No title] |
| | Dorsal spines separated from each other and from the soft-rayed fins, each spine having a reduced membrane attached to its posterior side; anal spine free from rest of the fin; posterior margin of pectorals nearly truncate; caudal truncate to slightly indented. | | | Identified by the 3 to 4 sharp, free spines before the dorsal fin, the pelvic fin reduced to a sharp spine and a small ray, and the series of plates along the sides of the body. | | | Distinguished by the presence of an adipose fin; small weak spines in the dorsal and anal spines; rough ctenoid scales; and pectoral fins reaching well behind the bases of pelvic fins. |
|
http://www.ksu.edu/fishecology/Ichthyology/Lab8.htm
(1443 words)
|
|
| |
| | Butterfly Fish Index |
| | This is pretty Butterflyfish which differs from the others in that it has a very pointed snout and a spiny dorsal fin. | | | This pearly-white fish has dark chevron stripes on its body which point to the head. | | | This is a pretty butterfly which has a much more round-bodied than the others. |
|
http://www.aqualink.com/catalogs/ybutterf.html
(1656 words)
|
|
| |
| | Gonopodium development in normal male and 11-ketotestosterone-treated female mosquitofish (Gambusia affinis): a ... |
| | We used computer image analysis techniques to quantify the morphological changes in the anal fins of normal male and female mosquitofish during growth and development and the changes that occur in females exposed to an androgen, 11-ketotestosterone. | | | Although females do not normally develop gonopodia, their anal fins can be induced to develop into gonopodium-like structures by the administration of androgens. | | | The mosquitofish anal fin is a useful bioassay system for quantifying the effects of known or suspected environmental androgens. |
|
http://www.arclab.org/medlineupdates/abstract_11482943.html
(162 words)
|
|
| |
| | Florida Springs Fish |
| | Some individuals may have reddish dorsal, anal and caudal fins. | | | One of the most notable features of the Flagfin Shiner is their very large, triangular dorsal and anal fins. | | | Tilapia, like all cichlids have a long dorsal fin, beginning at the level of the operculum and continuing to a point that extends nearly to the end of the caudal fin. |
|
http://www.stetson.edu/departments/biology/amb/florida.htm
(2817 words)
|
|
| |
| | SHARKS' 8 ORDERS |
| | Anal fin, 5 gill slits, 2 dorsal fins, no fin spines, mouth behind the eyes, no nictitating eyelids. | | | Anal fin, 5 gill slits, 2 dorsal fins, no fin spines, mouth behind the eyes, nictitating eyelids. | | | One anal fin, 5 gill slits on either side of the head, 2 dorsal fins, no fin spines, and the mouth is well in front of the eyes |
|
http://web.cyberia.net.lb/lebscuba/english/sharks/orders.html
(259 words)
|
|
| |
| | AllRefer.com - fin (Zoology: General) - Encyclopedia |
| | The tail is an important organ of locomotion and the paired fins are used for steering, checking speed, balancing, and for slow movements. | | | These are the pectoral fins, placed just back of the gills, and the pelvic, or ventral, fins, variable in position and sometimes lacking entirely. | | | In addition to these unpaired fins, most fish also have paired fins. |
|
http://reference.allrefer.com/encyclopedia/F/fin.html
(244 words)
|
|
| |
| | Larval Fish: Family Gobiidae |
| | The only erythrophores are at the base of the caudal fin, but a substantial amount of yellow occurs dorsally, ventrally, and laterally in association with the melanophores. | | | Along the anal-fin base, where many other goby larvae have melanophores, this one has erythrophores instead. | | | Additional red pigment occurs at the base of the caudal fin, anteriorly around the body cavity and behind the head, and in association with the dorsal and ventral melanophores. |
|
http://www.nmnh.si.edu/vert/larval/gobi.html
(997 words)
|
|
| |
| | NOVA Online Island of the Sharks Orectolobiformes |
| | Carpetsharks have anal fins, but no spines on the two dorsal fins. | | | Appearance: They vary from small to large and have broad heads, no grooves around the outer edges of their nostrils and moderately stout bodies and tails. | | | Appearance: The zebra shark has a broad caudal fin as long as its body, a broad, bluntly rounded head, no grooves around the outer edges of its nostrils, a moderately stout body, and a tail with strong lateral grooves. |
|
http://www.pbs.org/wgbh/nova/sharks/world/orectolobiformes.html
(946 words)
|
|
| |
| | About the Bluefin Tuna - WBA |
| | The pectoral fins fold into grooves on the body, and the eyes are flush with the body surface. | | | A widely forked tail with rays extending over the last vertebra provides the driving force. | | | They are distinguished from other fishes by a series of finlets behind the second dorsal fin and the anal fin. |
|
http://www.winterbluefin.org/winterbluefin.cfm
(318 words)
|
|
| |
| | Killifish |
| | This is an aggressive species, especially when two males are placed in the same swim area. | | | Full spectra lighting is essential to bring out the color of this fish. | | | This is a blue bodied fish with white oval shaped spots on its body. |
|
http://www.aqualink.com/catalogs/xkillifi.html
(945 words)
|
|
| |
| | ESPN Outdoors -- Tips & Techniques |
| | The most notable characteristic is their stocky bodies and large eyes. | | | All its fins (except for the pectorals) may have varying degrees of yellow coloration. | | | However their anal fin and second dorsal fin will never reach nearly the same length as that of a yellowfin. |
|
http://www.espn.go.com/outdoors/tips/s/f_enc_Bigeyetuna.html
(344 words)
|
|
| |
| | FIGIS - FAO/SIDP Species Identification Sheet: Heterodontus quoyi |
| | Total vertebral count 103 to 109, precaudal count 67 to 72, monospondylous precaudal count 24 to 36, diplospondylous precaudal count 33 to 41, pre-first dorsal-fin spine count 19 to 20, and count from diplospondylous transition to second dorsal-fin spine 11 to 19. | | | fieldmarks: Dorsal fins with spines, anal fin present, first dorsal-fin origin over pectoral-fin inner margins, colour pattern of large dark spots. | | | Anal fin rounded-angular, apex well anterior or reaching lower caudal-fin origin when laid back; anal-caudal space less than twice anal-fin base. |
|
http://www.fao.org/figis/servlet/species?fid=12660
(527 words)
|
|
| |
| | Gadus morhua anal fins references |
| | 2 anal fins; some in other areas have... | | | First anal fin with short base (less than one-half of preanal length). | | | first anal fin base short, less than one-half of preanal distance..." Nelson 1994: Reference to order Gadiformes: Page 227 (text) - "...no true spines in the fins..." Reference to subfamily Gadinae: Page 237 (text) - "...two anal fins..." |
|
http://vm.cfsan.fda.gov/~frf/atcodana.html
(155 words)
|
|
| |
| | Fish Identification Guide Extras |
| | Spines/Rays: the strong rods in between the soft flexible material of a fin, spiny referring to hard rays, softer spines often just called rays. | | | Corselet: The area of the fishes body which has large scales as opposed to small/or unscaled. | | | Pectoral fins: paired fins on the side of the body just behind the gill covers. |
|
http://www.scottsbt.com/fishids/idextras.htm
(168 words)
|
|
| |
| | Cichlid Forums - Electric Blue |
| | Females won't get much color in the anal fin though as most males do in my experience. | | | We all want every one to enjoy the hobby during thier early experience, so that they get addicted like the rest of us. | | | I have three others that all had the "hue" but after a couple months, have all turned out female, no color on the anal fin. |
|
http://www.cichlidforums.com/printthread.php?threadid=7847
(412 words)
|
|
| |
| | IngentaConnect The role of the anal fin in fertilization success in male medaka,... |
| | To determine the functions of the male anal fin during mating, an anal fin-removal experiment was conducted. | | | Males were mated with females in successive treatments in which different portions of the anal fin were removed. | | | The anal fin of the medaka Oryzias latipes is sexually dimorphic, with mature males developing a larger anal fin than females. |
|
http://www.ingentaconnect.com/content/bsc/fis/2000/00000066/00000004/art00103
(201 words)
|
|
| |
| | Anal fin adjustment(Trout) |
| | As the fish was hanging on the wall and I was checking the coverage of my base coat silver, the position of the anal fin GLARED out at me. I had it on the centerline of the body OK, but it was slanted WAY out toward the viewer(me). | | | I did a big steelhead, and got all the way past epoxy/sealer/fin work etc., and started painting it. | | | This response submitted by John C on 8/23/00. |
|
http://www.taxidermy.net/forums/FishTaxiArticles/00/g/009ED06260.html
(158 words)
|
|
| |
| | References |
| | In young both parts of the dorsal fin and anal fin are connected, but midsection becomes covered by skin when individuals reach 1ft (30cm)--resulting in 2 dorsal and 2 anal fins... | | | Females also have a white chin, but rest of body brownish red to rose, sometimes very dark or with irregular bars. | | | 1st dorsal fin high, with a short base. |
|
http://www.usc.edu/dept/education/mascha/knoll/glossary.htm
(648 words)
|
|
| |
| | Lutjanus purpureus anal fin references |
| | Anal fin pointed in specimens over 5 cm length, with 3 spines and 8 (rarely 9) soft rays. | | | Middle rays produced, the longest almost half to greater than half the length of the head. | | | 1991: Page 168 (text) - "...soft rays of dorsal and anal fins slightly covered with scales..." "...last soft rays of dorsal and anal fins not elongate..." Allen 1985: Page 3 (text) - "...scaly sheaths at the bases of the dorsal and anal fins..." "...without filamentous soft dorsal or anal rays." |
|
http://vm.cfsan.fda.gov/~frf/rfe3cs13.html
(218 words)
|
|
| |
| | COMMON FISHES FOUND IN OZARK STREAMS |
| | Centrarchidae (sunfishes): deep, laterally compressed bodies; fins with spiny rays, usually forward dorsal fin is spiny, back dorsal fin is soft-rayed; anal fins with 3 or more spines; scales are rough-edged (most species) | | | Catostomidae (suckers): fins without spines, no head scales, smooth body scales, > 10 rays in dorsal fin (see minnows), < 10 rays in anal fin, anal fin farther back on body than in minnows (> 2.5x rule) | | | Percidae (darters): spiny-rayed fins; rough-edges scales; dorsal fins divided into two parts (1st-spiny, 2nd-soft); one or two spines in anal fin; pelvic fins far forward, often nearly below pectoral fins |
|
http://www.umsl.edu/~loiselle/Biol440/Pioneer/Fishes.html
(145 words)
|
|
| |
| | Cybersurfari Animal Games - Fish : BICHIRS AND THE REEDFISH |
| | Superficially these lobes resemble the fleshy lobes of coelacanths and lungfishes, but the internal structure is different. | | | A later phase consists of the male tapping the female's head while throwing his swollen anal fin, cup-like, beneath her abdomen. | | | Although fossils have been found in North Africa, the family is now confined to the freshwaters of tropical Africa and the Nile River system. |
|
http://www.cybersurfari.org/modules.php?name=News&file=article&sid=8
(570 words)
|
|
| |
| | MSN Encarta - Herring |
| | Herring, common name for several fishes characterized by a single short dorsal fin in the middle of the upper margin of the body and by an anal fin... | | | Become a subscriber today and gain access to: |
|
http://ca.encarta.msn.com/encyclopedia_761560341/Herring.html
(78 words)
|
|
| |
| | Lutjanus synagris anal fin references |
| | Anal fin low, rounded, and with 3 spines and 8 (rarely 9) soft rays. | | | Base of fin, especially soft portion, covered with scales. | | | References to Lutjanus: Jordan and Evermann 1898: Page 1247 (as genus Neomaenis Girard, 1859) - "...soft rays of dorsal and anal scaly at base..." "...anal rays 7 to 9..." Masuda et al. |
|
http://vm.cfsan.fda.gov/~frf/rfe3ls13.html
(145 words)
|
|
| |
| | coporgansA |
| | Chondrichthyes modify an anal fin into a clasper. |
|
http://www.sewanee.edu/biology/Berner/AnatomyQuiz/Reproduction/ReprodAnswers/coporgansA.html
(8 words)
|
|
| |
| | Orange-fin Anemonefish, Amphiprion chrysopterus |
| | There is some variation in the colouration of the anal fin across the geographic range of this species. | | | The Barrier Reef Anemonefish is much more common than the Orange-fin Anemonefish. | | | The Orange-fin Anemonefish looks similar to the Barrier Reef Anemonefish (view fact sheet) and Clark's Anemonefish Amphiprion clarkii. |
|
http://www.austmus.gov.au/fishes/fishfacts/fish/achrysop.htm
(269 words)
|
|
| |
| | Sharks: Anal fin, Second Pectoral fins |
| | They help keep the shark's body stable in the water. | | | Some kinds of shark have a small fin on the underside of the body near the tail. | | | Some kinds of shark have a pair of second, smaller, pectoral fins between the main pectoral fins and the tail. |
|
http://www.kidcyber.com.au/topics/sharkbits9.htm
(47 words)
|
|
| |
| | anal fin |
| | the median, unpaired fin on the ventral margin between the anus and the caudal fin in fishes. |
|
http://www.infoplease.com/ipd/A0316468.html
(34 words)
|
|
| |
| | Glossary Searched Term |
| | One of those fins located on the sagittal plane of the body, the dorsal, caudal and anal fins. | | | Use the 'Return' button of your browser to return to FishBase. |
|
http://fishbase.org/Glossary/Glossary.cfm?TermEnglish=median%20fin
(39 words)
|
|
| |
| | Polypterus delhezi |
| | Sexing is possible since males have a large pocket like anal fin and are smaller then females. | | | Some specimens can be trained to accept pellets. |
|
http://www.aquaticcommunity.com/encyclopedia-95.html
(476 words)
|
|
| |
| | Infotiger search results: anal |
| | Terms of use - Privacy guidelines - About Infotiger - Feedback | | | Ask NOAH About: Colon, Rectal and Anal Cancer | | | English, anal fin, The median, unpaired, ventrallylocated fin that l ies behind the anus, usually on the posterior half of the fish. |
|
http://www.infotiger.com/search?qs=Anal&page=3
(65 words)
|
|
| |
| | Glossary Searched Term |
| | The median, unpaired, ventrally located fin that lies behind the anus, usually on the posterior half of the fish. |
|
http://www.fishbase.org/Glossary/Glossary.cfm?termenglish=anal+fin
(97 words)
|
|
| |
| | Merriam-Webster Online |
| | 1 : of, relating to, or situated near the anus fin> | | | For More Information on "anal" go to Britannica.com | | | Get the Top 10 Search Results for "anal" |
|
http://www.m-w.com/cgi-bin/dictionary?book=Dictionary&va=anal
(56 words)
|
|
| |
| | Anal Fin from Business Listings UK |
| | The charity Froglife is asking Britons to count the common frog to find out how seriously it is bei... | | | Anal Fin from Business Listings UK Business Listings UK Today's Date: 18th October 2005 (GMT) | | | © Business Listings UK This page contains information on Anal Fin |
|
http://www.canseg.co.uk/businessesuk/Anal-Fin.html
(97 words)
|
|
| |
| | Anal fin |
| | The unparied fin arising on the midline of the ventral surface of a fish, anterior to the tail and usually just posterior to the anus and urogenital openings. |
|
http://meltingpot.fortunecity.com/oltorf/729/id483.htm
(28 words)
|
|
|
