florida snail identification florida snail identification

Work through the questions, each time choosing the characteristic that best matches your snail from the two choices. MIAMI-DADE, Fla. As if 2020 did not have enough surprises and curveballs, an invasive snail located in the U.S. for the first time was discovered in-- you guessed it, Florida. (Fig. 98). Shell medium-sized, 2.8 3.5 mm long; spire 0.9 1.1 times length of aperture; shell with 4.2-4.7 whorls (Fig. (Haldeman, 1841). The Giant African Land Snail Has Been Spotted Again in Florida By 1973, more than 18,000 snails had been found and destroyed along with thousands of eggs, and the snail was . Shell elongate with pointed conical spire. Bulletin of the Museum of Comparative Zoology, 129: 401-61. Haitia bermudezi Aperture broadly ovate. Color often glossy reddish brown. Black-crested Elimia) Elimia albanyensis (Lea, 1864). Six species are known to occur in Florida. Identification should conform with all data in the key and with geographic distributions. Spiral angulation on whorls sharp and prominent in juveniles, usually becoming convex-rounded or smooth on last whorl in adults. Hydrobiids are small- to medium-sized operculate snails that live primarily in brackish and fresh water. Sculptured with fine incremental striations and a few fine spiral striations (difficult to distinguish except with transmitted light). Basal lip of peristome deeply receded. Penis with some superior tubercles fused into a U-shaped crest; parapical crest raised on a fleshy pedicel; accessory crest and inferior crest usually present (Fig. Invasive giant African land snail found in Florida can carry meningitis (Thompson, 2000). Nautilus, 83: 72. As of last . The reader will discover how very little we know about any genus occurring in Florida. 142). Sides of spire concave in outline (Fig. The species are highly variable, and there is no consensus regarding the number of valid species. Nuclear whorl 0.41 mm in diameter transverse to initial suture. Penis with 2 or 3 papillae on left margin (Fig. 89). Periphery of body whorl below middle, side of whorl flattened and sloping toward apex (Fig. Planorbella duryi Penny Sprite) Micromenetus floridensis (Baker, 1945). Adult shell without lamella on interior walls of aperture. They are beautiful when they are alive because the body of the snail is black with tiny white dots like the milky way galaxy. (Pilsbry and Beacher, 1892). (Lea, 1962). TALLAHASSEE, Fla. (AP) Florida, a state that encourages people to kill non-native iguanas, pythons and lionfish, has a new invasive species to worry about: the horntail snail, which has never . Medium- to large-sized tropical freshwater snails. Whorls rounded, not carinate above; occasionally angular below. CLICK ON EACH PHOTO Fallen Angel Wing -Atlantic Mud Piddock Boring Angel Wing- Striate Piddock Rice Olive Shell sculptured with fine spiral threads. Many samplings of hydrobiids collected during the period of May through September are not identifiable because only immature forms are present, and important diagnostic anatomical characteristics have not yet developed. Shell with or without bright bands; with low wavy growth wrinkles; large but not robust, 23-28 mm long. The basic shell morphology of the PLANORBIDAE is left-handed, or sinistral (FIGS. 59). Sexes not conspicuously dimorphic in size. Identifications are difficult in many instances without properly preserved specimens. Aphaostracon hypohyalina Mantle diffusely pigmented or unpigmented. 94). Tarebia granifera Vernacular names are given only for species. Haitia pomilia pomilia 12). Base of shell regularly expanding, not funnel-shaped. The spire differs between bumpy and smooth but it is always elongated. Shell sculptured with fine spiral striations, and in some cases curved axial ribs. Adult shells small, less than 3 mm high; umbilicus closed by the reflected columellar lip; columellar margin of the aperture nearly straight, barely convex (Fig. The shell are secondarily useful for identification, but only when supplemented with anatomical information. Interior of adult aperture with brownish tinge. Invasive giant snail species that carries deadly parasite detected in Regal Hydrobe i-xxxvi, 1-530 pls. As was anticipated, further work on the systematics of the southeastern freshwater snail fauna created the need for subsequent revision in 1999, and for this updated version. Periphery variable. Conical Siltsnail Shell conical or globose-conical; thin, translucent, occasionally opaque. Additional genera occur in the Orient, Southeast Asia, Africa, and South America. Aperture elliptical in shape; spire slenderer and slightly convex in outline; suture moderately impressed suture; parapical crest reduced in size. 6). Their siphonal canal is merged with their aperture and called a "siphonal notch". Pseudotryonia brevissimus Aperture of shell closed by an operculum (snail must be collected live because the operculum is lost soon after death). There were no references to cover the entire state. Shell small, about 3.0-3.5 mm long; adult with 4.4-4.8 whorl; lower corner of aperture tending to be angulate with fluted channel (Fig. 48). Surface smooth, glossy, striations when present very weak. Important diagnostic characteristics for subfamilies, genera, and species are found in the female reproductive system, the male reproductive organ (the penis), and modifications of the radular teeth. Aphaostracon pycnus (Say, 1829). (The penis is normally recurved into the mantle cavity, except during mating. Campeloma floridense The bio-economic importance of snails to environmental issues has become increasingly relevant because of the impact that economic development has on Florida waterways. Apex behind center of shell. Giant snails that were eating Florida homes finally eradicated again 91). Shell with a brownish hue. Penis of males with papillae along sides (Figs. Apex about 0.4-0.5 times length of shell. This is not the first time Florida has dealt with an invasion of giant snails. They're different than the ones found previously. 16, 25, 28). Malacological Review, 12: 41-49. Giant Snails Invading Florida, "Major Threat" to Crops. Thicker leaves may have damage on only one side. Ichetucknee Siltsnail Two genera of North American freshwater snails: Marstonia Baker, 1926 resureected to generic status, and Floridobia, new genus (Prosobranchia, Hydrobiidae, Nymphophilinae). In 1976 in the St. Johns River 1 found Melanoides tuberculatus with population densities of 10,000/m2. 67). Operculum corneas, without pegs on inner or outer surface. Helisoma anceps anceps USDA APHIS | Giant African Snail 3:51. (Thompson, 1968). Adams, 1841). Micromenetus d. dilatus The snail can wreak havoc on agriculture and carry a parasite that causes meningitis in humans.. Small- or medium-sized snails need to be identified with the aid of a binocular dissecting microscope that is equipped with an ocular micrometer calibrated to 0.1 mm accuracy so that precise measurements can be made. The Florida Department of Agriculture and Consumer Services has mapped out a . Umbilicus variable. A press release sent from FDACS said that a gastropod enthusiast in Coconut Grove discovered the snail and sent it to the University of Florida for identification. Outer lip of aperture with a thick callus on inner surface. The International Commision on Zoological Nomenclature has ruled that AMPULLARIIDAE is the valid name for this family of snails. Last whorl flattened above. Length of shell 2.2-2.6 mm (Fig. 35). (Thompson, 1968). Height of shell about 23-26 mm (Figs. Adults about 2-3 mm long (Figs. Sides of spire slightly convex. Definitive identifications may require anatomical dissections and reference to other literature. Marginal teeth of radula trapezoidal with well-differentiated cusps. common name: tree snails of Florida - University of Florida Shell with 4.4-5.0 whorls; about 3.7-5.2 mm long. 58). Adults about 5 mm long (Figs. Shell more slender, about 0.30-0.35 times as wide as high. 128). 164, 167). (Thompson, 1968). (Reeve, 1860). They are commonly found on live aquatic plant stems, dead leaves and sticks, and on bottles and cans. Green Cove Springsnail The coloration of the aperture and the embryonic shell is not consistent within single population samples, and the contour of the outer lip is highly variable within single drainage systems and with the age of the specimens examined. Penis with a large, blade-like flagellum with continuous heavy dermal glands along each side (Figs. Aphaostracon pachynotus Thick-lipped Rams-horn Frequently the shells of ampulariids and viviparids are very similar. Shell conical, thick, opaque. Weak spiral striations present on top of growth striations (Figs. Central tooth of radula with basocones located on fore or lateral wing of tooth (Figs. Nuclear whorl slightly protruding, 0.29-0.41 mm in diameter transverse to initial suture. Shell coiled to the right, with the aperture on the right side (Figs. Aperture moderately oblique. (Call, 1886). 1-69. (Vanatta, 1934). Shell unicolor, never banded. The lymnaeid fauna of the southeast is particularly depauperate compared to more northern and western regions of the continent. (Pfeiffer, 1839). Shell globose with a short depressed spire; body whorl ample; umbilicus closed. Length of shell 2.4-3.4 mm (Fig. Burch, J. Aperture oval, about 0.75 times as wide as high. Aperture without serrate denticles on parietal wall. Penis with 5-15 papillae along right margin arranged in 1-2 rows (Fig. Giant snails not too big a problem for Florida to solve twice Aquatic; moves by gliding motion. Whorls straight-sided, not scalariform; suture hardly distinct; aperture terminating at periphery of last whorl; vertical ribs weaker and closely spaced; adult size about 25-30 mm long (Fig. In some genera, eggs are deposited above the water in dry clusters on stems, trees, walls, etc. Shell elongate. Operculum calcareous with two pegs on inner surface (Figs. (Aguayo, 1935). Whorls generally arched. Spire shorter, conical, 0.7-1.3 times length of aperture, nearly straight-sided in outline, suture of whorls weakly or moderately impressed. Pomacea paludosa, common name the Florida applesnail, is a species of freshwater snail with an operculum, an aquatic gastropod mollusk in the family Ampullariidae, the apple snails . Spiral sculpture absent. Aperture large, oval, much more than half the length of shell. The greatest diversity of genera and species is in the Indo-Australian region. Paper fig A Florida Gulf Coast specialty shell! The shell characters given above for separating the families apply only to Florida species. 57). Shell usually marked with red or rust-colored spots, flames, or bands (most apparent on juvenile specimens). About 4.2-4.6 weakly arched whorls with a weakly impressed suture. Accessory crest present. (Fmr.) On June 24th the Florida Department of Agriculture and Consumer Services (FDACS) created a quarantine surrounding the town of New Port Richey. Campeloma parthenum (Gastropoda: Viviparidae), a new species from north Florida. University of Florida scientists say the nightmarishly named "rat lungworm" has been found in multiple species of snails in the Miami area, including the invasive giant African snail. The rosy wolfsnail was introduced into Hawaii in 1955 as a biological control for the invasive . 37), which is important for generic and specific diagnosis. 88). 171-173). Gulf Coast Pebblesnail) Somatogyrus walkerianus (Aldrich, 1905). Other species deposit eggs during the period of March through May, at which time the adults die and immature forms dominate the population through August or September. Shell more slender and attenuate; spire more elongate in adults, about 0.7- 1.0 times height of aperture. Parietal margin of operculum slightly convex in outline (Fig. (Thompson, 1969). Rock Fossaria Some were range extensions for species known to occur in adjacent areas. Pomacea bridgesi Giant African Land Snails Cause Quarantine in Florida County - Peoplemag Shell Guide | Bailey-Matthews National Shell Museum | Sanibel Island (Lamark, 1822). Invasive Giant African Land Snail Spotted in Florida - Business Insider Fine vertical ribs present on uppermost whorls. Elimia annae Medium to large freshwater snails found on all continents except South America. (Say, 1825). Mantle richly marked with reddish-brown blotches and spots. Florida Museum of Natural History Shell specimens should be cleaned and air-dried. The best times to look for shells are after a high tide, after a storm, in the morning, and during the winter months. Marsh Rams-horn The island apple snail is the largest of the known species in Florida with shell sizes up to five inches in length. Shell nearly smooth, sculptured with irregular growth striations. (Thompson, 1968). Body whorl relatively narrow, not conspicuously enlarging near aperture (Fig. Penis with 7-50 papillae along right margin and 1-4 papillae along distal third of left margin (Figs. Introduction to the Physidae (Gastropoda, Hydophila): biogeograhy, classification, morphology. Excentric Ancylid Apex slightly behind and slightly to the right of midline. Sculpture above periphery of whorls consisting of sharp spiral chords and distinct vertical ribs; shell attenuate. Shell thick and solid; whorls weakly convex or flattened (Figs. Jan. 28, 2020 . The coloring makes state officials. Apex with fine radial striations (Figs. Apex suppressed to form a nearly flat plane with the peripheral angle (Figs.165-167). An investigation by FDACS Division of Plant Industry found multiple positive sites with the snail in Miami-Dade County. The snails identified in Pasco County look different from the ones previously seen in Miami-Dade County: Their flesh is creamy white, rather than grayish brown. Shell transparent or translucent. Radial striations present on shell but not on apex. Shell moderately elevated, over 0.25 times as high as long. Shell about 0.38-0.41 times as wide as high and about 20-27 mm long. Specimens then are placed in a fixative such as 10 percent formalin or Bouins Solution. 19-21). Giant African land snails, an invasive species of mollusk, poses a threat to Florida residents as it can spread meningitis from a parasite it carries. 69, 70). Aperture usually open; occasionally with a horizontal, shelf-like septum closing posterior part (Fig. Shell with prominent ribs and spiral chords on all whorls. Shell globose with a relatively depressed spire; about 1.0- 1.2 times as high as wide. Sea Snails | FWC - Florida Fish And Wildlife Conservation Commission Aperture broadly in contact with preceding whorl. Widely umbilicate. Fawn Melania Goldenhorn Marisa Umbilicus closed or narrowly perforate. Average length about 5 mm (Figs. 89-91). (Clench & Turner, 1956). Micromenetus brogniartiana Elimia buffyae 132). The primary differences between the two families are based on soft anatomy. Aperture never with a septum. Suture weakly impressed. 17-29). Aperture ovate; baso-columellar angle not extended; basal lip not indented. Shell usually squarish or rectangular in shape. Ampullariids have been referred to as PILIDAE in earlier editions of this manual. Amnicola rhombostoma (Thompson, 1968). common name: tree snails of Florida scientific name: Gastropoda: Stylommatophora: Bulimulidae Introduction - Identification - Key to the Bulimulidae of Florida - Selected References Introduction (Back to Top) Many snails are found in trees, but only a few are exclusively arboreal for most or all of their life cycle. 169, 172). Whorls of spire less rounded. Since then a great amount of fieldwork has taken place throughout Florida, and many additions to the fauna have come to light. Most snails will have a conical shaped shell. 15, 18). Three other species occur farther north. 105, 106). North American freshwater snails: species list, ranges and illustrations. Conical with relatively slender whorls. A single species consisting of two highly variable subspecies occurs in Florida. Florida Cone (Family) Conidae Distinguishing Characteristics: The Cones are easily identified by the distinctive cone-like shape and a long aperture that reaches up to their shoulder. Adult large, about 23-27 mm long (Figs. Evolution has proceeded primarily through reproductive and trophic specializations. Aphaostracon xynoelictus Floridobia ponderosa (Reeve, 1856). Aperture terminating below periphery of body whorl. Recent studies treat amnicolids as a separate families. Thompson, F. G. 2000. In parthenogenetic organisms each population is inbred in the strictest genetic sense, and frequently a population will have minor characteristics that distinguish it from others. Melanoides tuberculata (Muller) in Florida. Giant Snails Take Over Florida's Gulf Coast Again - Smithsonian Magazine 170). Last whorl distinctly shouldered. Floridobia is known from peninsular Florida north along the Atlantic seaboard to Maine. Narrowly umbilicate. Whorls of spire strongly arched or rounded. Malacological Review, Suppl. Shell usually elevated, but variable. Clench, W.J. Marginal teeth of radula spatulate and bearing 8-10 weakly differentiated cusps. Whorls 3.8-4.3. (Dall, 1885). 201, 207). Viviparus contectoides limi, new name for V. c. compactus Pils. NERITIDAE Radula with tricuspid lateral teeth (Fig. Shell relatively thin. Incremental striations intensified near nucleus and umbilicus. Florida announced on Wednesday it has eradicated the African giant land snail - an invasive species that can destroy homes and infect people with meningitis - for the second time. 45). We Floridians have so much to be proud of. Approximately 35 species have been described. Inferior crest usually present. (Walker, 1905). The bulimulids of Florida have ovate-conical or bulimoid shells that at maturity range in size from 15 mm to 70 mm. (Thompson, 1968). Overshadowing this genetic divergence are frequent examples of convergent evolution of similar adult shell characters among distantly related species. 172). Apex in the posterior right third, domelike and evenly rounded. 75, 76). Freshwater Snails of Florida ID Guide - Invertebrate Zoology Outer lip strongly sinuous. 197-209). Shape highly variable, usually disc-shaped but some specimens with flat-topped raised spire. Aperture elliptical or trapezoidal in shape. They are most common on tropical islands but occur also in cold regions, where they hibernate. Shell usually opaque in adults, with a dark red callus inside the lip (Fig. 117). Apex distinctly convex in outline. Shell sculpture with incremental striations only. (Thompson, 1968). (Anthony, 1860). 129). The species was eradicated again in 2021 after being detected in 2011 in Miami-Dade County, according to FDACS. The aquatic snail fauna of the southeastern United States has long been recognized for its richness and diversity. Identification of Marine Snails - Coral Ever After Shell globose or tear-shaped. . 99). Click on the link in the row that best matches your snail. In others they are deposited in the water in gelatinous clusters. Shell squat, compact, cylindric-conical in shape, thick and opaque. Shell conical to elongate-conical; whorls 4.0-4.5 with a deeply impressed suture. 36); males with a copulatory appendage, a penis (Fig. Channeled Applesnail Spire usually about equal to or greater than height of aperture (Figs. Viviparus georgianus 85). It should also be remembered that many groups have not been studied sufficiently, and the reader may have material that adds to or contradicts previously recorded information. Biomphalaria havanensis Brownish-yellow in color (Fig. Giant African Land Snails Discovered in Florida | Field & Stream (Jay, 1839). A taxonomic revision of the feshwater snails referred to as Elimia curvicostata, and related secies. USDA APHIS | Mollusks Some species that are endemic to Florida springs live in environments with nearly constant temperatures and apparently reproduce continuously throughout the year. Sides of spire straight in lateral profile. University of Florida Combining characteristics of cranes and rails, it . Our beaches often rank at or near the top in the world. From a distance, the snail kite generally resembles a medium-sized hawk with broad wings. Base of shell with dark red spiral band. Gray to brownish-yellow in color. Proceedings of the Academy of Natural Sciences of Philadelphia, 86: 29-66. Taylor, D. W. 2003. They were detected in 2011 in Miami-Dade County and eradicated again in 2021. Hyacinth Siltsnail) Floridobia floridana (Frauenfeld, 1863). Apical whorls raised to form a point on top of spire. (Conrad, 1834). Malacological Review, 19: 85-86. 72-74). Wekiwa Hydrobe 2018). Amazing snails - Sea snails of Florida - Google Shell larger, thicker, and opaque; spire 0.9-1.3 times length of aperture; with more than 4.2 whorls; penis flagellum with glandular crests. Outer lip of aperture arched forward (Figs. Parietal margin of operculum concave (Fig. Mantle spotted with black, shaded or unmarked; terminal lobe of penis with complex crests that cause it to look like an animals head; flagellum slender, with scattered and discontinuous glands along edge (Figs. Operculum loosely coiled, with 3.75 large whorls, the outer one expanding more rapidly than the others (Figs. Clifton Spring Hydrobe Spire short and compact, about 0.5-0.7 times height of aperture in mature specimens, proportionally longer in juveniles (Fig. (Thompson, 1968). Sculpture consisting of distinct spiral striations and threads superimposed on growth striations (Fig. Mantle cavity with gill on dorsal surface. Shell sexually dimorphic in size, males about one-third as long as females. Hershler, R. & F. G. Thompson. Ghost Rams-horn All About Snail kites - juvenile v. female snail kite identification Shell nearly smooth, sculptured with irregularly spaced incremental striations (Figs. Formalin will corrode the shell and thereby eliminate color, delicate sculpture, and the periostracum the thin skin coating present on most shells. (Thompson, 1968). Mantle mottled with black spots and blotches. Vail, V. A. Aperture broadly elliptical. The HYDROBIIDAE include over 200 genera and approximately 1000 species. Length of shell about 2.2-2.8 mm long (Fig. It can grow to a length of 16 inches (400 millimeters) and is easily identifiable by the left-handed opening of the shell - meaning when you look at the shell, the opening is on the left. Freshwater snails (Mollusca: Gastropoda) of North America. Penis with large papilla on right margin near base and one or two papillae on left margin near distal end (Figs.