Talangka a very small variety of crabs found in the Philippines. Its common English name is Asian shore crab and Scientific name is  Hemigrapsus sanguineus. 

They are fried on its own (Halabos) and its roe or eggs are used to make a Filipino delicacy called "Taba ng Talangka" (taba means fat) which are actually the roe or eggs from the female tiny crabs. These tiny crabs are also fermented to make Burong Talangka which is made into a side dish which is especially good when paired with fried meats and fish.