Rio Cauca Caecilian (Typhlonectes natans)


You can find our caecilians in the Flooded Forest in Tropical House.

Fast facts

Status Least Concern

Size 250–725 mm

Weight 60–114 g

Gestation 7 months

Young 1-11

Life span 13 years

What do I eat?

Not much is known about the diet of wild Rio Cauca caecilians, but they are thought to be scavengers and predators. In Colombia and Venezuela they have been seen feeding on fish entrails which had been left in the water by fishermen.

Where do I live?

Rio Cauca caecilians are aquatic amphibians. They are found in flood plains and rivers, marshes and lakes in western and northern Colombia and western Venezuela. They are able to endure major declines in their water quality and can survive in polluted water.       


This species is oviviparous, which means that the young develop in eggs within the mother’s body. They hatch inside her body and are born live. The foetuses of Rio Cauca caecilians develop large gills which drop off a few hours after birth. This species of caecilian is thought to breed during the wet season.


Rio Cauca caecilians don’t currently face any major threats. They are caught for the international pet trade, but not at a level which presents a threat to the species. These caecilians are widespread and can tolerate a significant deterioration in the quality of their habitat. They are also found in some protected areas. 

Did you know?

Female Rio Cauca caecilians in captivity have been found to double their weight before they give birth.


Check our ticket prices or...

Book tickets online

Fantastic day out!

I visited Marwell Zoo on Friday 30th Aug with my two sons 10 and 6. Right from the start the staff were well organized getting people into the right queue and giving out maps. The toilets were clean and easy to find. A great added touch was a drinking station were… Read full reviewJo , 1st September 2019