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Ichthyophis khumhzi Kamei, Wilkinson, Gower & Biju 2009

Description ( anglais )

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Diagnosis: Ichthyophis khumhzi can be distinguished by the following combination of characters: having narrow, irregular lateral yellow stripes running from close to the corner of the mouth to the level of the vent but not contacting the disc, and barely to not visible on ventral side of collars; narrowness of stripe indicated by midbody width/stripe width at midbody ratio > 6; adult total length greater than 400 mm, body length/width ratio between 24 and 26; >300 annular grooves, which are darker in color than the adjacent skin; V-shaped, short head, with head V-shaped, short, with total length/head length ratio >25; tentacular apertures located more than twice as far from nares than from eyes; first collar noticeably shorter than second collar; scales foundas far anterior as the collars, and four or five rows posteriorly on dorsum; similar numbers of splenial and dentary teeth (Kamei et al. 2009).Description: Adult males measure 422-500 mm in total length. Short V-shaped head. Head, trunk and nuchal region are dorsoventrally compressed. Annular grooves number 341-362 when counted dorsally. Girth reaches a maximum near the midbody, then decreases gradually until tapering more abruptly over the last 50 mm of length. Total length/midbody width = 26. The collar region is more massive than the head and body, and is demarcated by constrictions. The second collar is more than 1.5x as long as the first collar. Eyes are equidistant from lip to the top of the head, with each eye surrounded by a narrow whitish ring. Tentacular apertures are closer to the eyes than the nares, being slightly more than 2x as far from the nares as from the eyes, and are fairly close to the lips. Nares are equidistant between the top and bottom of the snout in profile, and slightly anterior to the level of the anteriormost margin of the mouth; in dorsal view, the the nares are close to touching the sides of the head. In ventral view, the lower jaw is set in from the upper, more so anteriorly than at the level of the tentacular apertures. Girth is maximum near the midbody, decreasing gradually until the posteriormost 50 mm and then tapering more abruptly. On the holotype, small scales are found in a single row within a shallow pocket of the first annular groove; posterior to that, on the dorsum and venter, there are deep pockets which contain four or five rows of large scales. Annular grooves are narrowly incomplete midventrally on the anteriormost two-thirds of the body, with six annular grooves interrupted in the region of the disc, and two more incomplete both dorsally and ventrally on the tail. The disc does not have papillae. Denticulations around the vent are poorly defined. The tail is not upturned towards the tip. Teeth are slender and strongly recurved, with 50-56 premaxillary and maxillary teeth, 47-58 vomeropalatine teeth, 42-49 dentary teeth, and 40-46 splenial teeth. The number of splenial teeth is roughly the same as the number of dentary teeth. Very narrow choanae, separated by a distance about 5-8x the greatest choanal width. Posterior of the tongue is strongly plicate in the holotype, but not in the paratypes (Kamei et al. 2009).Coloration in life: dark brown grayish dorsum with a reddish gray venter, and narrow irregular dull-yellow lateral stripes (Kamei et al. 2009).Similar species: I. khumhzi can be distinguished from other known south Asian striped Ichthyophis (I. beddomei, I. garoensis, I. glutinosus, I. kodaguensis, I. pseudangularis, I. tricolor), with the exception of I. longicephalus, by having tentacular apertures >2x as far from the nares as the eyes (in the other species listed above, tentacular apertures are less than 2x as far from the nares as the eyes). I. khumhzi can be distinguished from I. longicephalus by having a short, V-shaped head, with a total length/head length ratio >25 (vs. a longer head, not V-shaped, with a total length/head length ratio less than 18 for I. longicephalus), having more scale rows (vs. fewer scale rows for I. longicephalus), equal collar size (vs. subequal in I. longicephalus), and a stripe that does not extend onto the tail (vs. stripe extending onto the tail for I. longicephalus) (Kamei et al. 2009). I. khumhzi can be distinguished from all southeast Asian striped Ichthyophis species (I. attricolaris, I. biangularis, I. bannanicus, I. bernisi, I. elongatus, I. humphreyi, I. hypocyaneus, I. kohtaoensis, I. paucisulcus, I. supachaii) in having approximately equal numbers of splenial and dentary teeth (vs. considerably fewer splenial teeth than dentary teeth in the other species) (Kamei et al. 2009).It is named after Khumhzi village, where the holotype was found (Kamei et al. 2009).

Référence

Kamei, R.G., Wilkinson, M., Gower, D.J. and Biju, S.D. (2009). ''Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland.'' Zootaxa, 2267, 26-42.

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Distribution and Habitat ( anglais )

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Endemic to India. The type locality is Khumhzi village, Tamenglong district, Manipur, India, at 320 m asl. This species has been found in marshy lands near agricultural fields and the River Agoh/Elen, about a kilometer away from a national highway. It has also been found in secondary forest on the edge of a banana plantation (Kamei et al. 2009).
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Life History, Abundance, Activity, and Special Behaviors ( anglais )

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No females have been found yet, and reproduction has not been described for this species (Kamei et al. 2009).
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Life History, Abundance, Activity, and Special Behaviors ( anglais )

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The population status and range size are not known. The holotype and paratypes were collected at two different localities about 15 km apart on the same day in July 2007. The population status is not known. This species can tolerate some habitat disturbance. However, the region is undergoing increased deforestation and habitat degradation (Kamei et al. 2009).
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Ichthyophis khumhzi ( anglais )

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Ichthyophis khumhzi, the Khumhzi striped ichthyophis, is a species of caecilian found in India.[1][2][3] It has narrow and irregular lateral yellow stripes. It can attain lengths larger than 400 mm (16 in). Its head is V-shaped while short; the animal shows scales as far anterior as its collars. The species is named after Khumhzi village, where the specimens were first collected.[2]

Description

This species counts with 127 vertebrae. The head, nuchal region and trunk are dorsoventrally compressed, with its body's maximal girth being near the midbody. Its tail is not upturned towards the tip. The animal's head is short, with a length of about 25.6 mm (1.01 in). Its eyes are equidistant from the lip and the top of the head, and are surrounded by a narrow whitish ring; its eye diameter approximates 0.6 mm, about the same as its nares', which are slightly anterior to level of the anterior margin of its mouth. Its teeth are slender and recurved, while its tongue is strongly plicate posteriorly. Its choanae are very narrow, the distance between them being five or six times their greatest width.[2]

Denticulations present around its vent are poorly defined. While in preservation, the animal is of a pale lavender grey colour, with browner patches where stratum corneum is absent. Lateral stripes extending until about the fifth or sixth last annuli, broaden slightly. Narrow and pale lines are strongly marked along the margins of its lower jaw. In life, its dorsum is a dark brownish grey, while the venter is reddish grey, and its narrow lateral stripes a dull-yellow.[2]

Distribution

This species has only been observed in its type locality, near the river Agoh in Manipur and Nagaland, India.[2][3]

References

  1. ^ a b IUCN SSC Amphibian Specialist Group (2012). "Ichthyophis khumhzi". IUCN Red List of Threatened Species. 2012: e.T190990A1965467. doi:10.2305/IUCN.UK.2012-1.RLTS.T190990A1965467.en. Retrieved 20 November 2021.
  2. ^ a b c d e f Kamei, R. G.; M. Wilkinson; D. J. Gower & S. D. Biju (2009). "Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland" (PDF). Zootaxa. 2267 (1): 26–42. doi:10.11646/zootaxa.2267.1.2.
  3. ^ a b Frost, Darrel R. (2015). "Ichthyophis khumhzi Kamei, Wilkinson, Gower, and Biju, 2009". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 10 October 2015.
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Ichthyophis khumhzi: Brief Summary ( anglais )

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Ichthyophis khumhzi, the Khumhzi striped ichthyophis, is a species of caecilian found in India. It has narrow and irregular lateral yellow stripes. It can attain lengths larger than 400 mm (16 in). Its head is V-shaped while short; the animal shows scales as far anterior as its collars. The species is named after Khumhzi village, where the specimens were first collected.

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Ichthyophis khumhzi ( espagnol ; castillan )

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Ichthyophis khumhzi es una especie de anfibio gimnofión de la familia Ichthyophiidae.

Se considera endémica del distrito de Tamenglong, del estado de Manipur (India). Habita en zona situada a una altitud de unos 320 msnm.

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Ichthyophis khumhzi ( basque )

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Ichthyophis khumhzi Ichthyophis generoko animalia da. Anfibioen barruko Ichthyophiidae familian sailkatuta dago, Gymnophiona ordenan.

Erreferentziak

Ikus, gainera

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Ichthyophis khumhzi: Brief Summary ( basque )

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Ichthyophis khumhzi Ichthyophis generoko animalia da. Anfibioen barruko Ichthyophiidae familian sailkatuta dago, Gymnophiona ordenan.

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Ichthyophis khumhzi

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Ichthyophis khumhzi est une espèce de gymnophiones de la famille des Ichthyophiidae[1].

Répartition

Cette espèce est endémique du district de Tamenglong au Manipur en Inde. Elle se rencontre à 320 m d'altitude[1].

Publication originale

  • Kamei, Wilkinson, Gower & Biju, 2009 : Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland. Zootaxa, no 2267, p. 26-42.

Notes et références

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Ichthyophis khumhzi: Brief Summary

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Ichthyophis khumhzi est une espèce de gymnophiones de la famille des Ichthyophiidae.

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Ichthyophis khumhzi ( portugais )

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Ichthyophis khumhzi é uma espécie de anfíbio anuro da família Ichthyophiidae.[3][4] Está presente na Índia.[4] A UICN classificou-a como deficiente de dados.[5]

Ver também

Referências

  1. IUCN SSC Amphibian Specialist Group, (2012). «Ichthyophis khumhzi». Lista Vermelha de Espécies Ameaçadas. 2012: e.T190990A1965467. doi:. Consultado em 20 de novembro de 2021
  2. Kamei, R. G.; M. Wilkinson; D. J. Gower; S. D. Biju (2009). «Three new species of striped Ichthyophis (Amphibia: Gymnophiona: Ichthyophiidae) from the northeast Indian states of Manipur and Nagaland» (PDF). Zootaxa. 2267 (1): 26–42. doi:10.11646/zootaxa.2267.1.2
  3. Ichthyophis khumhzi Amphibian Species of the World, versão 6.0. American Museum of Natural History. Página acedida em 13 de Fevereiro de 2018.
  4. a b Ichthyophis khumhzi. AmphibiaWeb. Página acedida em 13 de Fevereiro de 2018.
  5. Lista vermelha da UICN. 2018. Ichthyophis khumhzi. Página acedida em 13 de Fevereiro de 2018.
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Ichthyophis khumhzi: Brief Summary ( portugais )

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Ichthyophis khumhzi é uma espécie de anfíbio anuro da família Ichthyophiidae. Está presente na Índia. A UICN classificou-a como deficiente de dados.

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