Species- Gavialis gangeticus
Geographical distribution: Gavialis gangeticusis found in India inhabiting chiefly the basin of Ganges, Brahmaputra, Indus, Mahanadi and Arakan.
- Gavialis gangeticus is commonly called gharial.
- It may reach the length of about six and a half metre.
- The general color is dark olive-brown above with dark markings.
- Body is covered with an exoskeleton of epidermal horny scales.
- The snout is extremely long and slender.
- The limbs are pentadactyle with five clawed fingers and four clawed toes.
- Tail is laterally compressed.
- The mandibular symphysis is so long that it comprises a great protion of the splenial bones and extends backwards almost to the level of the last teeth.
- Nasal bones are very short and are separated from the premaxillaries.
- On either side 28 teeth in the upper jaw and 25 teeth in the lower jaw.
- First and fourth lower teeth fit into grooves in the upper jaw.
- Vertebrae are procoelous.
- In male the nose is very much swollen and can be inflated like a bag when the nostrils are closed.
- Gavialis is a harmless creature and feeds entirely on fish.