MORPHOLOGY AND GENERAL REPRODUCTIVE STAGES OF ...

LIST OF FIGURES
Figure
1 Taxonomic hierarchy leading to the Family Pangasiidae
(Source: Systema Naturae, 2000)
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7
2 Map of study area 25
3 Lateral view of the body; a) P. nasutus, b) P.
conchophilus caught in Maran
4 Methods used for samples collection; a) drift-net; b) longlines;
c) fishing rod; and d) cage containment in the
vicinity of study area
5 Diagram of fishing gears used, a) drifting gillnet; b) longlines
6 Diagrammatic representative of measurements taken on
specimens (adapted from Pouyaud et. al. (1999) with
modifications)
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34
7 Counts of gill raker of the first gill arch 35
8 Lateral view of the head; a) P. nasutus, b) P.
conchophilus
9 Side by side comparison of dorsal view of the head; a) P.
nasutus, b) P. conchophilus
10 Ventral view of the head; a) P. nasutus, b) P.
conchophilus
11 Gutted belly showing swim bladder position located at
the abdominal cavity of the body in P. nasutus; a) male,
b) female
12 Canonical discriminant functions plots using proportional
values
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50
13 Diagrammatic procedures of tissue histology process 62
14 Length-size class of total specimens caught throughout
the study period
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