Hydrophis ornatus

Ornate Reef seasnake (Hydrophis ornatus) is a species of sea snake. They are known for its striking pattern of bands or spots in various colors, including yellow and black. 

They are usually about 1.5 meters (5 feet) long. Feeds on small fish and invertebrates.  Highly venomous; immediate treatment is essential for bites.

References

Category:Reptiles of Pakistan
Category:Elapidae
Category:Snakes of Asia