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FIGURE 1 in Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae)

FIGURE 1 | Studied sampling sites of Pimelodus yuma along the lower sections (S4–S8) of the Cauca River. The pentagons indicate sampling sites in floodplain lakes and the stars indicate sites along the main channel of the river.

FIGURE 2 in Population genetics of the endangered catfish Pseudoplatystoma magdaleniatum (Siluriformes: Pimelodidae) based on species-specific microsatellite loci

FIGURE 2 | Results of Structure (A, B) and Discriminant analysis of principal components (C) for Pseudoplatystoma magdaleniatum. A: K = 1; B: K = 2; M: Margento, PC: Punta Cartagena, PB: Puerto Berrío, SN: Samaná Norte.

FIGURE 3 in Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae)

FIGURE 3 | STRUCTURE results for Pimelodus yuma showing K= 2 genetic stocks in three sections (S4/5, S6 and S7/8) of the Cauca River.

FIGURE 3 in The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Solimões-Amazonas River System

FIGURE 3 | Analysis of the BAPS 6.0 program showing three clusters (green, red, and blue) distributed between the five sampled locations of Brachyplatystoma vaillantii.

FIGURE 2 in The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Solimões-Amazonas River System

FIGURE 2 | Network of Brachyplatystoma vaillantii haplotypes. The number shown within a circle identifies the number of specimens sharing those haplotypes; circles without numbers represent unique haplotypes. White circles represent hypothetical intermediate haplotypes. Each locality is represented by the same colors in Fig. 1: red – Tabatinga, orange – Tefé, green – Manaus, purple – Santarém and blue – Estuary.

FIGURE 1 in The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Solimões-Amazonas River System

FIGURE 1 | Sampling sites for Brachyplatystoma vaillantii along the Solimões-Amazonas River axis. The localities were grouped in five fishing landing towns as follow: Red circles: Tabatinga (1 – Benjamin Constant, 2 – Tabatinga), Orange circles: Tefé (3 – Mucura Lake, 4 – Tefé, 5 – Vila Nova), Green circles: Manaus (6 – Manaus, 7 – Careiro da Várzea), Purple circles: Santarém (8 – Santarém, 9 – Tapará) and Blues circles: Estuary (10 – Almeirim, 11 – Gurupá, 12 – Breves, 13 – Belém, 14 – Salvaterra).

FIGURE 4 in The most important fishery resource in the Amazon, the migratory catfish Brachyplatystoma vaillantii (Siluriformes: Pimelodidae), is composed by an unique and genetically diverse population in the Solimões-Amazonas River System

FIGURE 4 | Analysis of the FASTBAPS program. Numbers are individual sequence of Brachyplatystoma vaillantii. Colors ranging from red for the lowest probabilities and clear yellow for the highest probabilities support for bootstrap.

FIGURE 6 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 6 | Von Bertalanffy growth curves for Pseudoplatystoma punctifer females (pink triangles) and males (blue circles) in the A. AMU system and B. Putumayo River.

FIGURE 4 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 4 | Mean and standard deviation (SD) of each growth ring radius in vertebrae of Pseudoplatystoma punctifer from the A. AMU system and B. Putumayo River.

FIGURE 5 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 5 | Mean monthly relative marginal increment (RMI ± SD) of Pseudoplatystoma punctifer vertebrae in relation to the hydrological cycle in the A. AMU system and B. Putumayo River. The illustrated hydrological cycles represent the average monthly values from the period 2008–2010.

FIGURE 7 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 7 | Standard length at first sexual maturity (L50) of Pseudoplatystoma punctifer in the A–B. AMU system and C–D. Putumayo River.

FIGURE 2 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 2 | Standard length frequency distributions of Pseudoplatystoma punctifer females (left) and males (right) in the A–B. AMU system and C–D. Putumayo River.

FIGURE 3 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 3 | Pseudoplatystoma punctifer vertebrae showing A–B. Five growth rings: the first one is multiple, the second one double and the third, fourth and fifth are simple, C–D. Two growth rings and E–F. One growth ring. Vertebrae center (ctr), hyaline rings (red lines), intermediate mark (i), pre mark (p). Left images: vertebrae frontal view. Right images: vertebrae cross section view with the confirmation of the rings on the corpus calcareum.

FIGURE 1 in Age validation and contrasted growth performances of Pseudoplatystoma punctifer (Siluriformes: Pimelodidae) in two river systems of the Western Amazon

FIGURE 1 | Map of sampling sites of Pseudoplatystoma punctifer in the Peruvian Amazon River systems. Sampling sites are symbolized by red dots.

FIGURE 4 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 4 | Standard length frequency histograms and the corresponding von Bertalanffy growth function for Calophysus macropterus (sexed and unsexed individuals combined) in (A, B) the upper Putumayo River and in (C) the AMU (the Amazonas, lower Marañón and Ucayali rivers).

FIGURE 3 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 3 | Mean monthly GSI values (circles) of Calophysus macropterus females between 2013 and 2017 in relation with the water level (dotted line) in the upper Putumayo River (A) and the Amazonas, lower Marañón and Ucayali rivers (B).

FIGURE 2 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 2 | Size frequency distribution of Calophysus macropterus females and males caught over the study period in the Putumayo River (A) and the Amazonas, lower Marañón and Ucayali rivers (B).

FIGURE 1 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 1 | Geographic location of biological monitoring points for Calophysus macropterus at Puerto Leguízamo in the Putumayo River (Colombia) and Iquitos (Amazonas, lower Marañón and Ucayali rivers, AMU).

FIGURE 5 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 5 | Standard length at first sexual maturity for males (black triangles) and females (white circles) of Calophysus macropterus (A) in the upper Putumayo River and (B) in AMU (the Amazonas, lower Marañón and Ucayali rivers).

FIGURE 7 in Life history trait variations and population dynamics of Calophysus macropterus (Siluriformes: Pimelodidae) in two river systems of the Colombian and Peruvian Amazon

FIGURE 7 | Standard length-converted catch curves (SL) and mortality estimates for Calophysus macropterus (A) females, (B) males and all individuals (sexed and unsexed) combined (C) in the Amazonas, lower Marañón and lower Ucayali rivers, calculated from the VBGF parameters at a mean temperature of 27°C. Z, M and F represent the instantaneous rates of total, natural and fishing mortality, respectively. E is the exploitation rate (E = F.Z-1). Black dots = data points in the curve on which the regression was fitted.