Rita chrysea Day 1877

Amphidromous. Refers to fishes that regularly migrate between freshwater and the sea (in both directions), but not for the purpose of breeding, as in anadromous and catadromous species. Sub-division of diadromous. Migrations should be cyclical and predictable and cover more than 100 km.Characteristic elements in amphidromy are: reproduction in fresh water, passage to sea by newly hatched larvae, a period of feeding and growing at sea usually a few months long, return to fresh water of well-grown juveniles, a further period of feeding and growing in fresh water, followed by reproduction there (Ref. 82692).

Occurs in rivers and large streams (Ref. 41236). Spawning occurs during the monsoon months (Ref. 4833).

fisheries: commercial

Rita chrysea, or the Mahanadi rita, is a species of bagrid catfish endemic to India where it inhabits the Mahanadi River system in Orissa and Madhya Pradesh. It is found in rivers and large streams. Spawning occurs during the monsoon months. It grows to a length of 19.5 cm and is commercially fished for human consumption.