Meen Curry is one of the popular dishes from Kerala which is made from varieties of fish available in the state, such as tuna, mackerel, sardines, and most special is the one made from Pearl Spot which is indigenous to Kerala. Other fish varieties can also be made into Meen Curry which is made by cooking the fish with several spices and curry leaves
Meen is the Malayalam word for fish (Please see the list of fish in English-Malayalam)
Below are pictures of varieties of Meen Curries which I tasted while in Allepey, Kerala, India:
More pictures below of different kinds of Meen Curry cooked by my hosts in Allepey, Kerala, India.
Next two (2) pictures are Mathi Curry / Fish/Meen Curry cooking in the traditional pot for cooking curry called Manchatti / Meenchatti / Manchatty.
Mathi/Chaala is Malayalam for Sardine.