FaunaHub

Gharial (Gavialis gangeticus)

ReptileCrocodilianConservation priority

Male gharial (Gavialis gangeticus), showing the bulbous tip on its long thin snout.

Male gharial (Gavialis gangeticus).

Image: Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons.

Overview

The gharial (Gavialis gangeticus) is a large, fish-eating crocodilian of South Asian rivers, immediately recognisable by its extremely long, slender snout lined with many interlocking teeth. Mature males develop a distinctive bulbous growth at the tip of the snout, called a “ghara,” from which the animal takes its name.

Among the most aquatic of all crocodilians, the gharial is poorly suited to moving on land and spends most of its life in the water. It is one of the most threatened large reptiles in the world.

Conservation note: the gharial is widely recognised as critically endangered, having declined drastically due to habitat loss, river changes, fishing nets, and other pressures. Verify current status at iucnredlist.org and rely on authoritative conservation sources.

Habitat & Range

Gharials live in clean, flowing rivers with deep pools and sandy banks across parts of the Indian subcontinent, with the most important surviving populations in a few protected river stretches. They depend on sandbanks for basking and nesting and on healthy fish populations for food.

Diet

Gharials are specialised fish-eaters. The long, narrow snout offers little water resistance and can be swept sideways quickly to snap up fish, which the many sharp, interlocking teeth grip securely. This specialisation distinguishes the gharial from broader-snouted crocodiles and alligators that take a wider range of prey.

Behavior

Gharials are highly aquatic and bask on sandbanks to regulate their temperature. They are generally not considered a danger to people, given their fish-focused diet and narrow snout. Females nest in sandbanks and may guard nesting areas, and in places adults have been seen carrying or guarding groups of young.

Human Interaction & Conservation

The gharial's decline has been driven by dams and river engineering, loss of sandbanks, entanglement in fishing nets, egg collection, and pollution. Conservation depends on protecting river habitat, reducing net mortality, and rearing and releasing young. For current status, consult authoritative sources such as the IUCN Red List.

More photos of the gharial

Female gharial basking, showing the very long narrow snout.

Female gharial (Gavialis gangeticus).

Image: Charles J. Sharp, CC BY-SA 4.0, via Wikimedia Commons.

Frequently Asked Questions — Gharial

Why does the gharial have such a thin snout?
The long, narrow snout is a specialisation for catching fish. Its slim shape meets little resistance in water, so the gharial can sweep it sideways very quickly to snap up fish, which are then held by the many sharp, interlocking teeth.
What is the bump on a male gharial's snout?
Mature males develop a bulbous structure at the tip of the snout called a ghara (from a Hindi word for a pot). It is thought to play a role in communication and display, including producing sounds and signalling to other gharials.
Are gharials dangerous to people?
Gharials are generally not considered dangerous to humans. Their narrow, fish-catching snout and diet are poorly suited to taking large prey, and they tend to avoid people. As with any large wild animal, they should still be observed from a distance.
Why are gharials endangered?
Gharials have declined sharply due to the loss and alteration of river habitat (including dams and removal of sandbanks), drowning in fishing nets, egg collection, and pollution. They are widely recognised as critically endangered; verify current status against IUCN Red List data.

Sources and further reading

Authoritative wildlife references used for general educational context. Conservation status should always be verified against current IUCN Red List data. External links open in a new tab.