BIOLOGICAL STUDIES ON SUDANESE INLAND FISHES. Ill. Hydrocyon Forskalii Cuvier

BIOLOGICAL STUDIES ON SUDANESE INLAND FISHES
Ill. Hydrocyon Forskalii Cuvier
BY
S. Z. RAFAIL, A.A. AL-KHOLY MiD M. A. MAHDI
1 Head of Department of fisheries statistics and population dynamics Institute of Ooeamography and Fisheries, Alexandria, Egypt.
11 Director, Institute of Oceanography and fisheries, Cairo, Egypt.
111 Director, Fisheries Research Department Ministry of Animal pro dustion , Khartoum,Sudan.

INTRODUCTION AND METHOD
The reader is referred to AI Kholy, Rafail and Mahdi (1973 a). In
these studies investigations were carried out on I-lydrocyon forskalii.
I Length distribution
Length of the studied Hydrocyon [orskalii ranged from 280 – 500 mm
(Table 3). Length distribution was smoothed by combining length intervals,
Thus, length frequencies shown in Table 1 are given.