Ichthyophiidae

Ichthyophis sp.

The fish rooting ( Ichthyophiidae ) are a family of caecilians ( Gymnophiona ) that are found in South India, Sri Lanka, on the mainland of Southeast Asia, Indonesia, Sumatra, Kalimantan and western Java, the Philippines to the south of Mindanao and Palawan. Full-grown fish are rooting despite its name, terrestrial ( live on land ).

Features

Fish rooting be 13.5 to 50 inches long. As an original feature is that the skull is made ​​up of many bones. However, he is stronger than the Rhinatrematidae. The mouth is terminal or slightly inferior. Their tentacles are between nostrils and eyes. The typical for caecilians double jaw closure mechanism in the approach introduces a second muscle pair for the lower jaw to the upper jaw next to the jaw adductor muscle is well developed. The body is ringed by two -split skin folds ( annuli ) and covered with numerous scales. Fish Worms have a short tail and a tail spine. All fish have Tracheallungen rooting.

Reproduction

All fish are probably rooting oviparous ( egg- laying ). They breed during the rainy season. Nests that were found so far were near water in moist soil and were guarded by the mother. Embryos have three pairs of branched gills. The larvae are aquatic and have until their metamorphosis one or two pairs of gills and a low tail fin. The larvae possess a lateral line which focuses mainly on the head area. It is probably also the electrical orientation and helps in the search for food in murky water. The metamorphosis takes place after a few weeks, in some cases, but only after two years instead.

Genera and species

There are two genera with about 40 species:

  • Genus Caudacaecilia Caudacaecilia asplenia
  • Caudacaecilia larutensis
  • Caudacaecilia nigroflava
  • Caudacaecilia paucidentula
  • Caudacaecilia weberi
  • Ichthyophis acuminatus
  • Ichthyophis atricollaris
  • Ichthyophis bannanicus
  • Ichthyophis beddomei
  • Ichthyophis bernisi
  • Ichthyophis biangularis
  • Ichthyophis billitonensis
  • Ichthyophis bombayensis
  • Ichthyophis dulitensis
  • Ichthyophis elongatus
  • Ichthyophis glandulosus
  • Ceylonwühle ( Ichthyophis glutinosus )
  • Ichthyophis humphreyi
  • Ichthyophis husaini
  • Ichthyophis hypocyaneus
  • Ichthyophis javanicus
  • Ichthyophis kodaguensis
  • Koa Tao Blindwühle ( Ichthyophis kohtaoensis )
  • Ichthyophis laosensis
  • Ichthyophis longicephalus
  • Ichthyophis malabarensis
  • Ichthyophis mindanaoensis
  • Ichthyophis monochrous
  • Ichthyophis multicolor
  • Ichthyophis orthoplicatus
  • Ichthyophis paucisulcus
  • Ichthyophis peninsularis
  • Ichthyophis pseudangularis
  • Ichthyophis sikkimensis
  • Ichthyophis singaporensis
  • Ichthyophis subterrestris
  • Ichthyophis sumatranus
  • Ichthyophis supachaii
  • Ichthyophis tricolor
  • Ichthyophis youngorum
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