Analysis of Migratory Catfish Production from Artisanal Fishing in the Middle Madeira Sub-Basin Using New Monitoring Methods, Southwestern Amazon
Table 2
Descriptive statistics of biomass production (kg) of migratory catfish (Siluriformes: Pimelodidae) recorded in artisanal fishing in the Madeira River sub-basin, between 2018 and 2019, according to location and hydrological period.
M
SD
MinV
MaxV
CV%
K
Brachyplatystoma filamentosum
5.07
±31.22
1
255
615.3
63.84
Brachyplatystoma platynemum
1.02
±4.02
1.3
24
392.15
22.71
Brachyplatystoma rousseauxii
5.43
±18.21
0.3
104
335.17
16.54
Brachyplatystoma vaillantii
0.12
±0.59
0.5
4
476.83
31.21
Hypophthalmus marginatus
0.24
±0.94
0.27
5.6
391.97
21.97
Leiaurius marmoratus
1.41
±3.25
1
19
230.34
13.39
Phractocephalus hemioliopterus
7.33
±20.51
4
117
279.64
16.9
Pinirampus pirinampus
0.19
±0.67
0.64
3.8
349.74
16.49
Pseudoplatystoma punticfer
56.47
±153.07
0.45
1094
271.06
32.14
Pseudoplatystoma tigrinum
8.79
±32.85
4
243
373.44
39.88
Sorubim lima
0.09
±0.70
0.48
5.84
762.73
67.01
Sorubimichthys planiceps
2.11
±7.42
0.51
56
351.25
42.32
Zungaro zungaro
0.14
±0.81
0.65
6
571.38
43.85
M: mean; SD: standard deviation; MinV: minimum value; MaxV: maximum value; CV%: coefficient of variation in percentage; K: kurtosis.
