Table 7.— Numbers of red-ear sunfish, green sunfish, and hybrids of these species placed in a l.l-acre pond and num- 
bers and percentages of original-stock recovered approximately 9 months later. 
Red-Ear Sunfish Green Sunfish GR F] Hybrids 
f Category 
Fish at stocking (August 1-15, 1958) 
Fish removed by hook and line fishing (April 20-22, 1959) 
Fish trapped and removed (May 19-22, 1959) 
Fish recovered during rotenone census (May 22-25, 1959) 
Total fish recovered 
Fish unaccounted for 
Table 8. — Length-frequency distribution of red-ear sunfish, green sunfish, and F, hybrids of these species when placed 
in a 1,l-acre pond, August 1-15, 1958, and when recovered May 19-23, 1959. Numbers in parentheses show average lengths.* 
GR F] Hybrids 
Total 
Length, Number at Number Number at Number Number at Number 
Inches Stocking, Recovered, Stocking, Recovered, Stocking, Recovered, 
Aug., 1958 May, 1959 Aug., 1958 May, 1959 Aug., 1958 May, 1959 
(3.5 Inches) (5.4 Inches) (4.2 Inches) (6.2 Inches) (4.6 Inches) (6.4 Inches) 
1.8-2.2 
2.3-2.7 
2.8-3.2 
3.3-3.7 
3.8-4.2 
4.3-4.7 
4.8-5.2 
5.3-5.7 2 
5.8-6.2 28 
6.3-6.7 75 
*The average length increment in the period was 1.9 inches for the red-ear sunfish, 2.0 inches for the green sunfish, and 1.8 inches for 
the GR F hybrids. 
Table 9.— Length-frequency distribution, range of body weights, and average body weights of red-ear sunfish, green sun- 
fish, and GR Fy) hybrid sunfish that were recaptured May 19-23, 1959, from a l.l-acre pond that had been stocked August 
1-15, 1958, with 200 individuals of each kind. 
Weight 
Range, Average 
Number 
of Fish 
49-64 
-8-6. 62-90 83-95 0.19 
3-6. 88-100 72-110 80-110 0.22 
111-150 110-132 0.26 
FEMALES 
72-86 
61-86 
78-113 
109-110 
13 
