Labeo Rohita
simple fish food...
Rohu, Catla and catfish.
http://www.siamcanadian.com/rohu,katla,ayer/ this link gives a little background about the fish. also tells you the colour of the fish.
The zoological name for dohra is Labeo rohita, commonly known as the rohu. It is a species of fish belonging to the carp family and is native to the rivers and lakes of the Indian subcontinent. Rohu is an important fish in aquaculture and is highly valued for its taste and nutritional value.
gills
silavathi
gill
Rohu fish, which is a freshwater fish commonly found in South Asia, is primarily a bony fish. It has a skeletal structure made up of bones rather than cartilage, which is typical for most fish species. The bones in Rohu provide structure and support, making it a popular choice for culinary use in various dishes.
The rohu fish typically has one dorsal fin, one caudal fin, two pelvic fins, and two pectoral fins, totaling six fins.
Rohu fish produce upto 1 lakh eggs/kg body weight. Depending upon the weight of the fish it can produce upto 27 lakhs eggs (~ 20 to 30 % of body weight).
There is no scientific name for just big fish.
The scientific name of the puffer fish is Tetraodontidae.