Distribution and Biology of Chambo (Oreochromis spp.) in Lakes Malawi and Malombe.

Appendix One
Summary of Samples Analysed for Studies on Distribution and Reproductive Biology

				Numbers							Weights (kg)							%Ripe (Numbers)
Sp	Mo	Gr	MS	Total		M	F	Mr	Fr	Fs	Total		M	F	Mr	Fr	Fs	%Ripe (Numbers)
Lake Malombe
KAR	1	GN	1.2		23	12	11	0	0	7		7.4	3.4	3.4	0.0	0.0	2.9		0.0
KAR	1	SC	1.1		31	16	15	0	0	9		9.8	3.0	6.8	0.0	0.0	4.6		0.0
KAR	1	SK	1.1		35	19	16	1	1	9		12.2	6.1	6.2	0.0	0.5	3.8		5.7
LID	1	GN	1.2		1	0	1	0	0	1		0.5	0.0	0.5	0.0	0.0	0.5		0.0
LID	1	SC	1.1		1	0	1	0	0	1		0.4	0.0	0.4	0.0	0.0	0.4		0.0
SQU	1	SC	1.1		46	23	23	3	6	6		16.7	7.1	9.5	1.6	3.5	2.6		19.6
SQU	1	SK	1.1		32	7	25	1	10	0		10.4	1.8	8.6	0.3	4.3	0.0		34.4
SQU	1	SK	1.2		26	8	18	0	5	4		7.7	1.8	6.0	0.0	2.0	1.5		19.2
KAR	2	GN	1.1		28	16	12	0	0	11		11.1	6.1	5.0	0.0	0.0	4.6		0.0
KAR	2	GN	1.2		16	9	7	0	0	4		4.8	2.6	2.2	0.0	0.0	1.5		0.0
KAR	2	SC	1.1		38	20	18	0	0	8		12.1	6.9	5.2	0.0	0.0	2.9		0.0
KAR	2	SC	1.2		4	4	0	0	0	0		2.5	2.5	0.0	0.0	0.0	0.0		0.0
LID	2	GN	1.2		2	1	1	0	0	1		0.9	0.5	0.5	0.0	0.0	0.5		0.0
LID	2	GN	1.1		9	4	5	2	0	3		3.8	1.5	2.3	1.0	0.0	1.6		22.2
LID	2	SC	1.2		8	2	6	1	1	3		4.4	1.0	3.4	0.5	0.6	1.7		25.0
LID	2	SC	1.1		5	1	3	0	1	2		1.7	0.1	1.4	0.0	0.3	1.1		20.0
SQU	2	GN	1.1		35	15	20	5	5	4		11.7	4.2	7.5	1.3	2.2	1.3		28.6
SQU	2	GN	1.2		30	13	17	1	5	6		8.2	3.7	4.8	0.3	1.6	1.5		20.0
SQU	2	SC	1.1		42	19	19	3	10	2		12.1	4.1	6.7	1.3	3.3	0.8		31.0
KAR	3	GN	1.2		32	22	10	0	0	7		7.9	5.2	2.7	0.0	0.0	2.2		0.0
KAR	3	GN	1.1		23	18	11	0	0	4		9.5	6.6	2.8	0.0	0.0	0.9		0.0
KAR	3	SC	1.1		44	19	22	0	0	7		12.1	5.0	6.7	0.0	0.0	1.8		0.0
KAR	3	SK	1.2		16	4	5	0	0	4		4.5	1.0	2.7	0.0	0.0	2.6		0.0
LID	3	GN	1.2		2	1	1	0	0	1		0.5	0.1	0.4	0.0	0.0	0.4		0.0
LID	3	GN	1.1		5	1	3	0	0	1		1.4	0.2	1.1	0.0	0.0	0.3		0.0
LID	3	SC	1.1		1	0	1	0	0	1		0.2	0.0	0.2	0.0	0.0	0.2		0.0
LID	3	SK	1.2		28	0	28	0	0	28		13.8	0.0	13.8	0.0	0.0	13.8		0.0
SQU	3	GN	1.1		25	12	12	5	5	4		8.2	2.8	5.0	1.0	1.7	2.0		40.0
SQU	3	GN	1.2		38	20	18	5	4	9		8.4	4.7	3.7	1.4	0.7	1.9		23.7
SQU	3	SC	1.1		51	23	24	2	11	3		13.3	4.5	8.0	0.3	3.5	0.7		25.5
SQU	3	SK	1.2		26	7	13	2	2	8		7.5	0.8	4.6	0.3	0.7	2.9		15.4
KAR	4	GN	1.1		34	17	17	0	0	7		12.9	6.5	6.4	0.0	0.0	1.8		0.0
KAR	4	SC	1.1		25	16	9	0	0	3		10.5	6.6	3.9	0.0	0.0	1.2		0.0
KAR	4	SK	1.2		9	0	7	0	0	2		3.6	0.0	3.4	0.0	0.0	1.8		0.0
KAR	4	GN	1.2		4	1	1	0	0	0		0.8	0.2	0.5	0.0	0.0	0.0		0.0
LID	4	GN	1.2		11	0	11	0	0	2		6.3	0.0	6.3	0.0	0.0	1.4		0.0
LID	4	GN	1.1		1	0	1	0	0	1		0.6	0.0	0.6	0.0	0.0	0.6		0.0
LID	4	SC	1.1		3	1	2	0	0	1		2.0	0.7	1.2	0.0	0.0	0.7		0.0
LID	4	SK	1.2		4	0	4	0	0	1		2.3	0.0	2.3	0.0	0.0	0.7		0.0
SQU	4	GN	1.2		12	6	1	0	0	0		3.1	0.2	2.4	0.0	0.0	0.0		0.0
SQU	4	GN	1.1		25	13	12	1	0	9		7.4	3.3	4.0	0.3	0.0	3.3		4.0
SQU	4	SC	1.1		32	11	21	0	2	12		11.7	3.7	8.0	0.0	0.9	4.7		6.3
SQU	4	SK	1.2		15	1	3	0	1	0		3.5	0.5	1.8	0.0	0.2	0.9		6.7
KAR	5	GN	1.1		3	0	2	0	0	0		0.6	0.0	0.5	0.0	0.0	0.0		0.0
KAR	5	SC	1.1		23	13	10	0	0	0		12.0	7.3	4.8	0.0	0.0	0.0		0.0
KAR	5	SK	1.2		6	4	2	0	0	0		2.4	1.7	0.7	0.0	0.0	0.0		0.0
LID	5	GN	1.1		1	0	1	0	0	0		0.2	0.0	0.2	0.0	0.0	0.0		0.0
LID	5	SK	1.2		1	0	1	0	0	0		0.5	0.0	0.5	0.0	0.0	0.0		0.0
SQU	5	GN	1.1		8	5	2	0	0	0		1.9	1.3	0.4	0.0	0.0	0.0		0.0
SQU	5	SC	1.1		24	15	9	0	0	5		12.3	8.4	3.9	0.0	0.0	2.2		0.0
SQU	5	SK	1.2		2	1	1	0	0	0		0.9	0.2	0.6	0.0	0.0	0.0		0.0
KAR	6	GN	1.1		29	9	10	0	0	3		5.6	2.0	2.5	0.0	0.0	0.8		0.0
KAR	6	GN	1.2		3	1	2	0	0	0		0.8	0.2	0.6	0.0	0.0	0.0		0.0
KAR	6	SC	1.1		43	23	20	0	2	7		20.8	11.4	9.4	0.0	1.2	3.3		4.7
KAR	6	SK	1.2		1	0	0	0	0	0		0.1	0.0	0.0	0.0	0.0	0.0		0.0
SQU	6	GN	1.1		31	11	9	0	0	2		6.1	2.5	2.3	0.0	0.0	0.6		0.0
SQU	6	GN	1.2		5	1	4	0	0	0		1.4	0.2	1.1	0.0	0.0	0.0		0.0
SQU	6	SC	1.1		7	0	7	0	0	2		3.4	0.0	3.4	0.0	0.0	1.2		0.0
SQU	6	SK	1.2		3	1	0	0	0	0		0.4	0.2	0.0	0.0	0.0	0.0		0.0
KAR	7	GN	1.2		21	3	6	0	1	0		3.3	0.6	1.7	0.5	0.0	0.0		4.8
KAR	7	GN	1.1		14	10	4	6	1	0		7.9	5.3	2.5	4.0	0.6	0.0		50.0
KAR	7	SC	1.1		33	15	18	9	16	0		18.3	7.8	10.6	5.0	10.6	0.0		75.8
LID	7	SC	1.1		1	1	0	1	0	0		0.7	0.7	0.0	0.7	0.0	0.0		100.0
SQU	7	GN	1.1		3	1	2	0	0	0		1.2	0.3	1.0	0.0	0.0	0.0		0.0
SQU	7	SC	1.1		11	5	4	0	0	0		4.9	2.6	2.0	0.0	0.0	0.0		0.0
KAR	8	GN	1.1		25	17	8	14	4	0		10.3	6.9	3.5	6.0	1.8	0.0		72.0
KAR	8	SC	1.1		20	9	10	3	7	0		9.2	3.3	5.8	1.8	4.8	0.0		50.0
KAR	8	SK	1.2		23	5	18	5	9	1		14.3	2.5	11.8	2.5	6.3	0.6		60.9
LID	8	SC	1.1		4	3	1	2	0	0		2.0	1.6	0.5	1.2	0.0	0.0		50.0
SQU	8	GN	1.1		11	7	4	0	0	1		3.8	2.4	1.5	0.0	0.0	0.4		0.0
SQU	8	SC	1.1		19	9	9	0	0	0		7.1	3.3	3.7	0.0	0.0	0.0		0.0
SQU	8	SK	1.2		2	0	1	0	0	0		0.3	0.0	0.2	0.0	0.0	0.0		0.0
KAR	9	GN	1.1		24	11	13	0	13	0		7.2	3.0	4.2	0.0	1.6	0.0		54.2
KAR	9	GN	1.2		20	8	12	6	3	0		8.6	3.2	5.4	2.3	1.5	0.0		45.0
KAR	9	SC	1.1		51	19	28	1	10	0		14.6	4.9	9.3	0.4	3.8	0.0		21.6
KAR	9	SK	1.2		17	2	15	2	15	0		9.8	0.9	8.8	0.9	8.8	0.0		100.0
KAR	9	SN	1.2		12	8	4	7	3	0		5.9	3.4	2.5	3.1	2.0	0.0		83.3
LID	9	GN	1.1		4	4	0	0	0	0		1.3	1.3	0.0	0.0	0.0	0.0		0.0
LID	9	GN	1.1		4	4	0	0	0	0		1.3	1.3	0.0	0.0	0.0	0.0		0.0
LID	9	SC	1.1		4	2	2	0	0	0		0.9	0.4	0.5	0.0	0.0	0.0		0.0
LID	9	SC	1.1		4	2	2	0	0	0		0.9	0.4	0.5	0.0	0.0	0.0		0.0
SQU	9	GN	1.1		20	10	10	0	0	0		6.8	3.7	3.1	0.0	0.0	0.0		0.0
SQU	9	SC	1.1		25	14	7	0	0	0		5.7	3.3	1.9	0.0	0.0	0.0		0.0
SQU	9	SK	1.2		3	1	2	0	0	0		0.6	0.3	0.3	0.0	0.0	0.0		0.0
KAR	10	GN	1.2		32	1	31	0	13	3		15.7	0.3	15.5	0.0	6.8	1.4		40.6
KAR	10	GN	1.1		43	32	4	28	1	0		21.7	17.2	1.2	15.8	0.4	0.0		67.4
KAR	10	SC	1.1		55	8	30	0	9	2		24.2	3.0	14.1	0.0	6.3	1.0		16.4
LID	10	SC	1.1		1	1	0	0	0	0		0.4	0.4	0.0	0.0	0.0	0.0		0.0
SQU	10	GN	1.2		4	1	3	0	0	0		1.0	0.3	0.7	0.0	0.0	0.0		0.0
SQU	10	GN	1.1		7	6	1	2	1	0		4.1	3.4	0.6	1.5	0.6	0.0		42.9
SQU	10	SC	1.1		13	6	2	0	0	0		4.0	2.4	0.6	0.0	0.0	0.0		0.0
KAR	11	GN	1.1		49	28	21	1	2	11		15.7	9.0	6.7	0.2	0.9	2.8		6.1
KAR	11	GN	1.2		18	7	11	0	0	5		4.0	1.7	2.3	0.0	0.0	1.2		0.0
KAR	11	SK	1.2		44	3	39	1	8	18		17.7	1.1	16.4	0.4	5.3	6.1		20.5
KAR	11	SK	1.1		27	3	17	1	5	3		10.4	1.0	8.8	0.4	3.5	0.6		22.2
LID	11	SK	1.1		2	0	1	0	0	1		0.7	0.0	0.6	0.0	0.0	0.6		0.0
LID	11	SK	1.2		7	0	7	0	1	6		4.5	0.0	4.5	0.0	1.0	3.5		14.3
SQU	11	GN	1.1		17	13	3	2	1	1		5.2	3.7	1.1	0.8	0.5	0.4		17.6
SQU	11	GN	1.2		33	18	15	0	0	0		7.0	3.6	3.3	0.0	0.0	0.0		0.0
SQU	11	KS	1.2		8	1	7	0	1	0		1.9	0.1	1.9	0.0	0.3	0.0		12.5
SQU	11	SK	1.1		27	6	17	0	2	2		9.5	2.2	6.8	0.0	1.5	1.0		7.4
SQU	11	SK	1.2		8	0	6	0	1	0		1.9	0.0	1.7	0.0	0.3	0.0		12.5
KAR	12	GN	1.1		26	7	18	0	0	7		8.8	2.2	6.5	0.0	0.0	3.5		0.0
KAR	12	GN	1.2		19	12	7	0	0	5		4.9	2.9	2.0	0.0	0.0	1.4		0.0
KAR	12	SK	1.1		12	2	7	0	0	3		4.0	0.6	3.1	0.0	0.0	1.3		0.0
KAR	12	SK	1.2		8	0	8	0	0	4		4.8	0.0	4.8	0.0	0.0	2.7		0.0
LID	12	GN	1.1		1	0	1	0	0	1		0.5	0.0	0.5	0.0	0.0	0.5		0.0
LID	12	SK	1.2		17	0	17	0	3	14		8.9	0.0	8.9	0.0	1.8	7.1		17.6
LID	12	SK	1.1		5	0	5	0	0	4		2.3	0.0	2.3	0.0	0.0	2.1		0.0
SQU	12	GN	1.1		45	28	17	10	2	0		16.4	11.2	5.1	4.6	1.0	0.0		26.7
SQU	12	GN	1.2		28	21	7	0	0	5		6.7	4.7	2.0	0.0	0.0	1.5		0.0
SQU	12	SK	1.2		9	0	9	0	3	0		4.7	0.0	4.7	0.0	2.2	0.0		33.3
SQU	12	SK	1.1		31	15	11	9	7	1		14.3	4.6	6.7	4.6	4.3	0.7		51.6
Upper Shire River
KAR	4	SC	1.3		8	6	2	0	1	1		2.9	2.2	0.6	0.0	0.4	0.3		12.5
LID	4	SC	1.3		40	0	40	0	0	15		22.8	0.0	22.8	0.0	0.0	8.5		0.0
SQU	4	SC	1.3		2	1	1	0	0	1		0.7	0.3	0.4	0.0	0.0	0.4		0.0
KAR	9	SC	1.3		16	4	10	0	7	0		4.2	1.0	3.0	0.0	2.3	0.0		43.8
LID	9	SC	1.3		2	2	0	2	0	0		1.1	1.1	0.0	1.1	0.0	0.0		100.0
KAR	10	SC	1.3		53	12	33	0	6	12		13.8	2.6	10.3	0.0	1.6	3.3		11.3
LID	10	SC	1.3		6	1	3	1	2	0		2.6	0.8	1.6	0.8	1.0	0.0		50.0
SQU	10	SC	1.3		8	7	0	0	0	0		1.4	1.3	0.0	0.0	0.0	0.0		0.0

Notes: Sp= Species,
Mo= Month of Sampling,
Gr= Gear,
Ms= Minor Stratum or Commercial Fishing Area,
Tot= Number/Weight of Species in Sample,
M= Number/Weight of Males in Sample,
F= Number/Weight of Females in Sample,
Mr= Number/Weight of Ripe Males in Sample,
Fr= Number/Weight of Ripe Females in Sample,
Fs= Number/Weight Spent remains in Sample,
KAR= O. karongae,
LID= O. lidole,
SQU=O.squamipinnis
Gn= Gillnet,
SC= Chambo Seine,
Sk= Kambuzi Seine/Nkatcha Net,
MWT= 38mm Midwater Trawl,
RN= 102mm Ringnet