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"Anillos dorados" es como llaman los ingleses a esta bella libélula, Cordulegaster boltonii (en la foto un macho), mientras que en España no hay un nombre que lo defina claramente. En algunas comarcas se la denomina "Guardarroyos común" (vease "Los nombres de la libélulas, origen y significado" de Carlos Álvarez-Cros).
Cuando inspeccionamos la rambla de la Puça, solemos encontrar esta especie patrullando tramos de ella, aguas arriba y abajo, con un vuelo lento en busca de alimento o de alguna hembra, aprovechando sus paradas en las perchas parea fotografiarla.
"Golden-Ringed" is how the English call this beautiful dragonfly, Cordulegaster boltonii (in the photo a male), while in Spain there is no name that clearly defines it. In some regions it is called "Guardarroyos común" (see "Los nombres de la libélulas, origen y significado" by Carlos Álvarez-Cros).
When we inspect the Rambla de la Puça, we usually find this species patrolling sections of it, upstream and downstream, with a slow flight in search of food or a female, taking advantage of its stops at the perches to photograph it.
Today is the World Snake Day which aims to raise awareness about the different types of snake species and the important role they play in maintaining ecological balance.
Many snakes are harmless and cute, such as this Chinese Slug Snake. It has a pair of beautiful big eyes. It feeds on slugs and snails. Its right teeth are specialized to pull the snail meet out from the shell.
Nanling, South China. May 2015.
Location: Highland of Pahang, Malaysia.
Toxicity: Venomous
Yes this was taken in the forest!
I went herping with a friend and a famous scientist from Germany. Found three of this species plus other snakes. Had a great time until it started raining heavily.
Specific epithet:
Named after the Latin adjective fucatus, that could be translated by “with make-up”. It was used in classical Latin language to describe the red and white hues harboured on their cheeks by actors of the ancient Latin theater, and was chosen here in allusion to the bicolor white and red postocular streak present in some males of this species.
Keeled Slug-eating Snake (Pareas carinatus).
Taken with a Canon EOS 5D Mark 3 coupled to a Carl Zeiss ZE 50/2 Makro Planar lens. Hand-held with reflected side-lighting.
Synonyms: Popeia fucata, Trimeresurus fucatus,
Location: Peninsular Malaysia.
Toxicity: Highly Venomous
Habitat: Hilly rainforests
Distribution: Myanmar, Thailand and Malaysia
This was shot in the wild (insitu), not a studio shot.
Keeled Slug-eating Snake (Pareas carinatus).
Taken with a Canon EOS 5D Mark 3 coupled to a Carl Zeiss ZE 50/2 Makro Planar lens. Hand-held with reflected side-lighting.
The Snail Eating Snake! 🐌️
Cruising through the dense vegetation in the rainforest at night, the Berdmore's Slug Snake is on a mission to find snails for dinner! 🐍
Preferring to be active on wetter nights like its prey, once it has found a snail it wraps its mouth around the shell and is able to manoeuvre its lower jaw to essentially pull and suck the snail out of its shell! 😱
So essentially, that face is cute unless you're a snail!
Location: Peninsular Malaysia
Toxicity: Non-venomous
Size: 25 cm+ (max length: 47 cm)
Description" It is mostly terretsrial but can be occasionally seen resting on low bushes/plants. The color of its neck might come in different shades of color e.g., red, yellow, brown, or orange. However those found in Hong Kong has no "neck band".
Diet: Slugs, snails and earthworms
Scarcely longer than an earthworm, this juvenile slug-eating snake (Pareas formosensis) sleeps balanced on top of a fern frond. Many slug-eating snakes retain the unusual asymmetric dentition of their snail-eating ancestors, an adaptation for pulling snails out of their shells via a process known as ‘mandibular walking’. Thua Thien Hue, Vietnam.
Its a male baby with cute white tail. When it gets older, the white tail will turned into red in color
Size: About 1 feet
Toxicity: Venomous
Location: Peninsular Malaysia, G
Breeding: Egg-laying pit vipers (oviparous)
On night no.2. I decided to go back to the same branch where I saw the
a pit viper last night. Lo and behold...
Location: Highland of Pahang, Malaysia.
Toxicity: Highly Venomous
Habitat: Hilly rainforests
Distribution: Myanmar, Thailand and Malaysia
Synonyms: Popeia fucata, Trimeresurus fucatus,
Sub-adult female. Also known as Ular Kapak Tokong
Location: Selangor, Malaysia
Rainforest of Malaysia
Size: 0.7-0.8 meters
Toxicity: Venomous but non fatal
Reproduction: Sexually mature females of T. wagleri bear live young by ovoviviparity (viviparous). The eggs open inside the mother's body. One of the advantages of this is that the eggs are better protected than eggs that are hatched on the ground. The number of snakes born in a litter ranges from 6 to 50. All babies are able to look after themselves as soon as they are born. Venomous snakes have fangs already loaded with venom as soon as they are born.
Graceful snail-eater (Dipsas gracilis) - Mindo, Ecuador
A snail-eater living up to its name in the Ecuadorian jungle. These snakes are specialized snail eaters and have been observed following the snails and slugs mucus trail to find them. Their jaw structure reflects the snakes diet, it is able to grasp the snail and leverage it out of its shell through a series of jaw movements. Some interesting research has been done with Pareas a very similar Asian genus which also feeds largely on snails, the research showed that the jaw is actually asymmetrical with more teeth on one side than the other allowing them to consume snails with greater ease. However the snails don't take this passively, it has been shown that the asymmetrical jaw structure confers an advantage when consuming snails with a particular direction of shell twist. Dextral (clockwise) spiral shell snails are predominant, however it has been shown that in areas of high snake predation, a gene which causes a reversal of the shell spiral is selected for. Snails who switch their shell symmetry to one that the snail-eating snakes are not adapted to are conferred an advantage and are more frequently able to escape from the snakes because the snake either drops them or is unable to extract them from the shell. However, changing the spiral direction of the shell causes a drop in reproductive fitness when trying to mate with snails who possess a shell with the opposite orientation. Additionally there has been work showing that a modified aperture to the shell also decreases the ability of snakes to consume them. It has been hypothesized that the snakes are a driving force behind the evolution of different shell types and orientation. I also seem to recall reading that over many generations the snakes jaws will also change in order to allow them to consume snails with the modified shells thus beginning to select for a different shell orientation once again. However I could not track down the paper on this, so its always possible I am mis-remembering. The thought of a snail shell structure influencing shifting jaw structure and vice versa is certainly an interesting one. The work on snails and their snake predators was done in Asia but its likely many of the same factors are at play in the Neotropics with species such as this as well.
Unfortunately, when I encountered this individual I was having camera trouble and had to resort to a simpler flash system and using my kit lens as my macro was out of commission. I'd love to have the opportunity to photograph this again with all my gear working as its supposed to.
[ 鈍頭蛇 Pareidae Snake ]
鈍頭蛇是一種有著凸凸大眼睛的小型無毒蛇, 據說只有東亞部分地區有這種蛇, 而光在台灣就有三種, 個性溫和, 動作緩慢, 喜歡吃蝸牛和蛞蝓, 因為同樣吃蝸牛又不喜歡強光, 山裡面有鈍頭蛇的地方, 往往就很可能會有螢火蟲, 基本上人畜無害, 不算萌也算有點可愛, 奇怪的是, 他的眼睛雖然不是那種整個黑色很難對焦的眼睛, 但卻也不容易準焦, 可能是因為他眼睛太立體, 太凸的關係吧?😂
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有時我們會想拍到蛇類吐舌頭的瞬間, 這個往往要靠點運氣, 因為要拍到舌頭並不難, 但舌頭的角度卻不一定好看, 朝上伸長的瞬間或水平伸長的瞬間, 往往比較漂亮, 朝下伸長的瞬間, 往往比較不好看, 而我個人最喜歡的, 就是很含蓄地只露出舌尖的這個瞬間, 因為蛇類吐舌頭的速度太快, 所以只能靠運氣, 先拍下去以後再看看拍到哪個瞬間, 這個只露出舌尖的瞬間, 我個人覺得看起來比較頑皮有喜感...😘
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#螢火蟲環境指標蛇...👍
#培養休假情緒...😴
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Olympus PEN-F
Olympus 60mm F2.8 Macro
Godox TT350o
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#每日一微 #微距攝影 #生態 #閃光燈 #Olympus #PENF #PENFlens #6028macro #Godox #TT350O #Taiwan #Macro #Pareidae #Pareas #chinensis #Snake #台湾 #マクロ #ヘビ #セダカヘビ #台灣 #鈍頭蛇 #蛇 #無毒 #microfourthirdsgallery #カメラ好きな人と繋がりたい #ファインダー越しの私の世界 #東京カメラ部
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Maximum length is about 60 cm while this specimen that I found was about 22-25 cm, with the girth of your typical Chinese chopstick.
Habitat: Highland of Pahang, July 2025
Earlier this year, I heard 2-3 herpers managed to find this species, I tried to find it during my past few trips, I'm glad to rustle up this little bugger this week!
There are a few species of slug snakes in Peninsular Malaysia:
(i) Mountain Slug Snake (Asthenodipsas vertebralis), elevation forests (1000-2000 meters)
(ii) Mirkwood Forest Slug Snake (Asthenodipsas lasgalenensis):
Elevation above 800 meters
(iii) Malayan Slug Snake (Asthenodipsas malaccana), distributed across southern Thailand, Peninsular Malaysia, and Sumatra,
(iv) White-spotted Slug Snake (Pareas margaritophorus), widely distributed in Southeast Asia,
(v) Keeled Slug Snake (Pareas carinatus), distribted across southern Thailand, northern Peninsular Malaysia, & Sumatra (Indonesia).
(vi) Smooth Slug Snake (Asthenodipsas laevis), distributed across southern Thailand, Peninsular Malaysia, Singapore, Borneo, & Indonesia.
Keeled Slug-eating Snake (Pareas carinatus).
Taken with a Canon EOS 5D Mark 3 coupled to a Carl Zeiss ZE 50/2 Makro Planar lens. Hand-held with reflected side-lighting.
Scarcely longer than an earthworm, this juvenile slug-eating snake (Pareas formosensis) sleeps balanced on top of a fern frond. Many slug-eating snakes retain the unusual asymmetric dentition of their snail-eating ancestors, an adaptation for pulling snails out of their shells via a process known as ‘mandibular walking’. Thua Thien Hue, Vietnam.
Keeled Slug Snake - Pareas carinatus
During a walk around our hotel garden I came across a couple of these slug snakes. Completely harmless to humans, these common snakes spend their nights, usually off the ground, in search of delicious slugs and snails.
We found these two during one of our work trip with Tourism Malaysia recently. They were about 5-7 km from one another on the same hill (same night too). I thought it would be great to put them side by side (no they were not removed from their habitat) for educational purposes.
Synonyms: Popeia fucata, Trimeresurus fucatus,
Differences:
The male has red/white lines across its body while these lines are absent in female of the same species.
Maximum Size : 86 cm (2.822 ft) but this small one is less than 1 feet.
Location: Peninsular Malaysia
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The 'Siamese Peninsula Pit Viper' Popeia fucata was first acknowledged as a separate species in 2004, prior to which it was considered a variant of Pope's Pit Viper (formerly Trimeresurus popeiorum).
There is significant local variation in patterning. A dual stripe (white over red) generally extends along each flank (i.e. a dorsolateral stripe), though in some specimens the red stripe may be absent and in others both stripes may be absent.
The tail is reddish brown, sometimes banded, and the belly pale green. Iris colour may vary from orange-red to yellow to green.
Distribution: southern Thailand and Peninsular Malaysia.
Specific epithet:
Named after the Latin adjective fucatus, that could be translated by “with make-up”. It was used in classical Latin language to describe the red and white hues harboured on their cheeks by actors of the ancient Latin theater, and was chosen here in allusion to the bicolor white and red postocular streak present in some males of this species.