florida worm lizard

Florida worm lizard, (Rhineura floridana), pale or pinkish wormlike lizard characterized by the absence of limbs, external eyes, or ear openings, representing the only living member of the amphisbaenian family Rhineuridae. Coauthor of. Never heard of them. Beginning of a dialog window, including tabbed navigation to register an account or sign in to an existing account. In addition, worm lizards are small in size, which makes their features difficult to examine. Enjoyed reading. Amphisbaenians could be considered creepy, but I think they're also very interesting animals.

Despite their names, however, mole and worms lizards are technically amphisbaenians (or amphisbaenids) instead of lizards.

The Florida worm lizard looks like a large pink earthworm. They are the only amphisbaenians with legs. The animal has a very good ability to detect the presence of certain chemicals, however.

Genna East from Massachusetts, USA on January 20, 2015: I’d never have guessed from the intro photo that this little fella was a reptile. I agree, Mel - it is an intriguing situation. The amphisbaenia was a mythological creature in Ancient Greek culture that had a head at each end of its body. Tunnels are constructed by forcing the head into the soil and moving the head up and down to pack the soil away from the direction of movement. The diet of R. floridana includes insects and earthworms, but it is an opportunistic feeder and will eat almost any invertebrate small enough to catch. peachy from Home Sweet Home on April 01, 2015: those pictures look like snakes!

The right lung is reduced in size or even absent to accommodate the narrow, elongated shape of the body.

Worm lizards are sometimes known as two-headed snakes—just like the mythical amphisbaenia from Ancient Greece—because their head and their tail look quite similar. google_ad_client = "pub-3201763656916690";

Year assessed: 2007.

I think that the mole and worm lizards are fascinating creatures, too! Fertilization is internal. It has a carnivorous diet and feeds chiefly on insects, spiders, and centipedes.

It is an egg-laying species, and females deposit eggs from which tiny fully formed young emerge. In its earliest form it was snake-like and venomous. You give me such an education in the field. Thanks for visiting and commenting. Because of the latter, it is sometimes called thunderworm. Linda Crampton (author) from British Columbia, Canada on January 20, 2015: Thanks for the visit and the comment, Genna. They also seem to be able to differentiate between predators and non-predators by the chemicals that are released.

Thanks for the education. Like other amphisbaenians, the Iberian worm lizard lives underground, builds burrows, and feeds mainly on insects and insect larvae. Unfortunately some of your visual bleed over the margins and under ads etc. Both types of reptiles have tiny eyes. They are appealing, so thanks for introducing them to me.

Linda Crampton (author) from British Columbia, Canada on February 14, 2015: Thank you, Peggy! var AdBrite_Background_Color = 'FFFFFF'; Photos and videos add a great deal.

— Carl J. Franklin (with reference to the Florida worm lizard). google_ad_height = 600; (Amphisbaenians are a group of burrowing, limbless lizards with concealed ears and scale-covered eyes.) Linda Crampton is a writer and teacher with an honors degree in biology.

[6], https://en.wikipedia.org/w/index.php?title=Rhineura&oldid=957120395, Creative Commons Attribution-ShareAlike License. How interesting. It surfaces only when heavy rain or plowing forces it to evacuate its burrow.

The Iberian worm lizard has been studied in more depth than many other amphisbaenians. Although there are no wild mole lizards living in North America, one worm lizard does live on the continent. Dora Weithers from The Caribbean on January 14, 2015: Your article reminds me of years ago when my son would share his excitement about this kind of stuff.

It has a shovel-shaped head and the tail is covered with horny scales. Voted up.

The eyes are highly reduced and not visible externally. It has no external ear openings.

FlourishAnyway from USA on January 14, 2015: Definitely unusual!

Who knew? Les exemples vous aident à traduire le mot ou l’expression cherchés dans des contextes variés. var AdBrite_Border_Color = 'CCCCCC';

Ces exemples peuvent contenir des mots vulgaires liés à votre recherche, Ces exemples peuvent contenir des mots familiers liés à votre recherche. There are said to be anywhere from 169 to 190 species of amphisbaenians in existence today, depending on the classification system that's being used.

Specimens occasionally come above the surface after heavy rains inundate their relatively shallow tunnels. Nature can blow your mind sometimes. R. floridana is a burrower, preferring a soil, sand, or leaf mold substrate, and spending most of its time underground where it is safe from predators. Thank you for the comment, Devika.

There may be still more types to discover. F. Proximal part of another eye, showing cyst. Worms and lizards normally make me very squeamish. The animal's mouth looks as though it has an overbite. Blind , limbless and worm like lizard has a cylindrical body 0.5 cm in diameter and ringed with small scale. Exacts: 0. Like its relatives, the Florida worm lizard spends most of its time underground.

Updates?

awesome hub, never heard of these worms. However it is not an earthworm, or even a lizard but an amphisbaenid, an independent suborder of the order Squamata – of which lizards and snakes are the other two suborders. Unlike the case in an earthworm, the internal structure of an amphisbaenian isn't segmented. Devika Primić from Dubrovnik, Croatia on January 13, 2015: A very interesting topic. I appreciate your comment. As in many other amphisbaenians, the reptile's skin looks too big for its body and is only loosely attached to it.

Male and female worm lizards secrete and detect pheromones, which are chemicals that attract the opposite gender and play an important role in mating. Although at first glance a mole lizard appears to have rings like those of an earthworm, if we look closely we can see that the rings consist of scales instead of smooth skin. Fascinating creatures. I agree - these animals are definitely weird and interesting! The lower jaw is recessed, which helps to stop sand from entering the mouth. A worm lizard's vision is very poor.

Richard Avery, via Wikimedia Commons, CC BY-SA 3.0 License. Worm lizards are placed in three or four different families in the order Squamata. https://www.britannica.com/animal/Florida-worm-lizard. The animal can be seen in the opening screen of the video below. It's nice to discover that someone else thinks that the Mexican mole lizard is cute! X-rays show vestigial back legs under the skin. Morphology of the hemipenes of amphisbaenia, The website of University College London has facts about, The University of the West Indies describes the. When disturbed, it retreats into its burrow tail-first. Peggy Woods from Houston, Texas on February 14, 2015: I knew nothing about these creatures, so thanks for the education Alicia. Great hub! This page was last edited on 17 May 2020, at 03:44. Linda Crampton (author) from British Columbia, Canada on March 18, 2015: It certainly can, Pawpawwrites! Rhineura floridana varies in total length (including tail) from 18–30 cm (7–12 inches).

Alun. It's a carnivore and feeds on insect larvae, ants, termites, other underground insects, and earthworms. The animal reproduces by laying eggs and is therefore said to be oviparous.

Thanks so much. George Lynn Cross Research Professor and Curator Emeritus, Sam Noble Oklahoma Museum of Natural History at the University of Oklahoma. var AdBrite_URL_Color = '008000';

In late summer females lay 1-3 white oblong eggs that hatch 2-3 months later.

google_color_url = "008000"; I have to admit I didn't linger for too long on the images, I can just about cope with my little friends in the garden, but great information. [7] Species are listed as such due to their wide distribution, presumed large population, or because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

They are found in dry upland habitats with sandy soil, sand pine forest, longleaf pine-turkey oak forest and upland hammocks. Fiona Sunquist Although the word "hemipenes" is generally used in the plural, the structure actually consists of one trunk that splits into two upper lobes. It has five toes on each foot, however, and is pale pink in colour instead of pale blue. I had no idea. Temps écoulé: 149 ms. Mots fréquents: 1-300, 301-600, 601-900, Plus, Expressions courtes fréquentes: 1-400, 401-800, 801-1200, Plus, Expressions longues fréquentes: 1-400, 401-800, 801-1200, Plus. It catches its prey underground and also visits the surface to hunt. These species aren't in any trouble, but this might not be true for all species. The animal is pink, brown, or blue in colour. It's very similar to the four-toed mole lizard shown in the videos above.

This behaviour gives the animal its name. It moves into deeper and cooler soil when it gets too hot. Florida is home to two groups of legless lizards that are often mistaken for snakes--the glass lizards and wormlizards. google_ad_format = "120x600_as";

I'm not sure I've ever heard of or seen worm lizards before, and certainly the curious short legged, fore legged mole lizards are new to me.

The mole lizard is shown in the second half of the video.

Real-life amphisbaenians aren't venomous. Linda Crampton (author) from British Columbia, Canada on January 21, 2015: Thank you, Joyfulcrown. The surprising appearance of a forked tongue flicking in and out of its mouth tells us that a worm lizard is really a reptile, however. E. Distal part of eye, showing layers of retina. The screen looks fine for me. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.

I find them appealing, too. The Mexican mole lizard is native to Baja California in Mexico. I appreciate the vote, too. R. floridana has a long wormlike body and a short stubby tail. The diet of R. floridana includes insects and earthworms, but it is an opportunistic feeder and will eat almost any invertebrate small enough to catch. "Pectoral myology of limb-reduced worm lizards (Squamata, Amphisbaenia) suggest decoupling of the musculoskeletal system during the evolution of body elongation". The rings are known as annuli, as in earthworms. Florida worm lizard, (Rhineura floridana), pale or pinkish wormlike lizard characterized by the absence of limbs, external eyes, or ear openings, representing the only living member of the amphisbaenian family Rhineuridae.

ologsinquito from USA on January 14, 2015: Very interesting. Like snakes and true lizards, a worm lizard picks up chemicals from the air with its flicking tongue and then deposits them in ducts in the roof of its mouth. try{var AdBrite_Iframe=window.top!=window.self?2:1;var AdBrite_Referrer=document.referrer==''?document.location:document.referrer;AdBrite_Referrer=encodeURIComponent(AdBrite_Referrer);}catch(e){var AdBrite_Iframe='';var AdBrite_Referrer='';} Researchers have discovered that this animal—and perhaps its relatives—can control its temperature by changing its location underground.

Thank you very much for the comment. A mole lizard's front legs are small, but they are well developed.

Thank you for the visit and comment.

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Mel Carriere from San Diego California on January 21, 2015: An intriguing example of convergent evolution, it is amazing how this reptile has adapted to live in the soil. At first it's very tempting to think that the animals are earthworms due to the rings around their body and the fact that the rings bunch up and then spread apart as the animals move, just as they do in earthworms.

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