Table 1.Ontogenic dietary shifts (% of total food intake by volume) of different size classes of rohu, Labeo rohita
Food type	Life stage/ size class
	Fry (11-20 mm)�	Fry/fingerling (21-40 mm)�	Fingerling (41-100 mm)�	Juvenile/grower (>100 mm)�	Juvenile/grower (100-250 mm)�	Grower/adults (>250 mm)�	Adult�
Unicellular algae		15	14	28	15	3	6
Fillamentous alagae		4	13	1			7
Protozoans and rotifers					2	2	1
Zooplankton	60	37	18	1
Crustacea/insects				0	8	8	2
Higher aquatic plants							71
Vegetable debris	20	7	42	56	55	57
Sand and mud	20	37	14	15	5	5	14
Unidentified mass					17	25
1. Alikunhi (1957); 2. Mookerjee (1945); 3. Das and Moitra (1956)