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Fig. 6 in Feeding and reproductive ecology of Cichla piquiti Kullander & Ferreira, 2006 within its native range, Lajeado reservoir, rio Tocantins basin

Fig. 6. Temporal variation in body condition and fat storage for immature (a and c respectively) and adult fish (b and d respectively of Cichla piquiti). These figures show adjusted means ±SE derived from an Analysis of Covariance (see Table 4).

Fig. 5 in Feeding and reproductive ecology of Cichla piquiti Kullander & Ferreira, 2006 within its native range, Lajeado reservoir, rio Tocantins basin

Fig. 5. Variation in reproductive effort of Cichla piquiti over time (mean ±SE), measured as the gonad-somatic index (GSI, %) calculated separately for males and females.

Fig. 4 in Feeding and reproductive ecology of Cichla piquiti Kullander & Ferreira, 2006 within its native range, Lajeado reservoir, rio Tocantins basin

Fig. 4. Reproductive activity of Cichla piquiti, measured as the percentage of individuals in different reproductive phases within periods. Numbers above bars indicate sample size.

Fig. 2 in Feeding and reproductive ecology of Cichla piquiti Kullander & Ferreira, 2006 within its native range, Lajeado reservoir, rio Tocantins basin

Fig. 2. Nonmetric multidimensional scaling (NMDS) applied to investigate variation in the diet of Cichla piquiti according to periods, sex (m = males; f = females) and maturity (I = immature; A = adult).

Fig. 1 in Feeding and reproductive ecology of Cichla piquiti Kullander & Ferreira, 2006 within its native range, Lajeado reservoir, rio Tocantins basin

Fig. 1. Resource accumulation curves controlled by the number of stomachs of Cichla piquiti analyzed, considering all fish (a), sexes (b), maturity (c) and season (d). Sample size was reduced to 67 stomachs because this analysis considered only resources identified at some independent level, removing unidentified or combined items.

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Figure 4. a in Feeding ecology of vimba (Vimba vimba L., 1758) in terms of size groups and seasons in Lake Sapanca, northwestern Anatolia

Figure 4. a) MDS based on a similarity matrix constructed on the average food consumption of V. vimba of juvenile and adult, and b) cluster analysis.

Figure 5 in Ecology and life cycle of the filter-feeding Amphipsyche meridiana Ulmer 1902 (Trichoptera: Hydropsychidae) in an irrigation canal, central Thailand

Figure 5. The percentage of larval instars of Amphipsyche meridiana Ulmer 1902 at the sampling site was calculated using the distribution of head capsule width for each month.

Figure 8 in Ecology and life cycle of the filter-feeding Amphipsyche meridiana Ulmer 1902 (Trichoptera: Hydropsychidae) in an irrigation canal, central Thailand

Figure 8. Food item in Amphipsyche meridiana's digestive system under a bright field microscope (magnification x40).

Figure 7 in Ecology and life cycle of the filter-feeding Amphipsyche meridiana Ulmer 1902 (Trichoptera: Hydropsychidae) in an irrigation canal, central Thailand

Figure 7. Food item proportions in the gut contents of the larval instar of Amphipsyche meridiana in each month from the irrigation canal. The gut content of A. meridiana larvae (n = 120) from the study area. The presence (%) represents the percentage of larvae with guts containing this type of material.

Figure 4 in Ecology and life cycle of the filter-feeding Amphipsyche meridiana Ulmer 1902 (Trichoptera: Hydropsychidae) in an irrigation canal, central Thailand

Figure 4. The frequency distribution of larval instars of Amphipsyche meridiana Ulmer 1902 based on head capsule width (n = 12,513) from December 2021 to November 2022.

Fig. 4 in Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

Fig. 4. MDS on the different sizes, sites and seasonal independent groups. The total length (Lt) categories compared were Juveniles (J = Lt <3 cm), Semi-adults (S = 3 8 cm). The three sites sampled along the catchment were: site 1 (P1), an upstream first order section of the basin near its spring; site 2 (P2), a second order middle section of the basin; and site 3 (P3), a downstream third order section of the basin. Seasons compared were: VER=summer (December, January and February), OUT=Autumn (March, April and May), INV=Winter (June, July andAugust) and Spring=PRI (September, October and November).

Fig. 5 in Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

Fig. 5. MDS on the different sizes, sites and seasonal groups. Total length (Lt) categories compared were Juveniles (J = Lt <3 cm), Semi-adults(S = 3 8 cm) and seasons were: VER=summer (December, January and February), OUT=Autumn (March, April and May), INV=Winter (June, July andAugust) and Spring=PRI (September, October and November).

Fig. 2 in Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

Fig. 2. Geographical location of the rio Ribeirão basin, with indication of the three sampling sites (P1, P2, and P3).

Fig. 3 in Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

Fig. 3. UPGMA cluster analysis using Morisita-Horn similarity coefficient on the different sizes, sites and seasonal groups. Total length (Lt) categories compared were Juveniles (J = Lt <3 cm), Semi-adults (S = 3 8 cm). The three sites sampled along the catchment were: site 1 (P1), an upstream first order section of the basin near its spring; site 2 (P2), a second order middle section of the basin; and site 3 (P3), a downstream third order section of the basin. The seasons are: VER=summer (December, January and February), OUT=Autumn (March, April and May), INV=Winter (June, July and August), and Spring=PRI (September, October, November). A (> 70 % similarity) = with a predominance of Autochthonous Insects, Allochthonous Insects and Non Identifiable Arthropod Parts; B (> 80 % similarity) = with a predominance of Detritus and Allochthonous and Autochthonous Insects; and C (> 80 % similarity)= with a predominance of Allochthonous plants and Detritus.

Fig. 1. Monthly rainfall for 2002 in Ontogenetic, spatial and temporal variations in the feeding ecology of Deuterodon langei Travassos, 1957 (Teleostei: Characidae) in a Neotropical stream from the Atlantic rainforest, southern Brazil

Fig. 1. Monthly rainfall for 2002 (x) and 2003 (filled triangles) in the study region, and average temperature in 2002 (filled squares) and 2003 (open squares). Source: IAPAR.

Fig. 1 in Feeding ecology of three juvenile mojarras (Gerreidae) in a tropical estuary of northeastern Brazil

Fig. 1. Map of the study area with locations of the sampling sites in the rio Mamanguape Estuary, Brazil: 1- Mud flat; 2- Tidal Creek 1; 3- Tidal Creek 2; 4- Tidal Creek 3.

Fig. 4 in Feeding ecology of three juvenile mojarras (Gerreidae) in a tropical estuary of northeastern Brazil

Fig. 4. Non-metric multidimensional scaling plots (nMDS) coded by habitat for Diapterus rhombeus, Eucinostomus melanopterus and Eugerres brasilianus in the rio Mamanguape estuary, Brazil. Filled symbols (gray= D. rhombeus and black= E. melanopterus) and open symbols (E. brasilianus).

Fig. 3 in Feeding ecology of three juvenile mojarras (Gerreidae) in a tropical estuary of northeastern Brazil

Fig. 3. Spatial variation of numerical abundance of the three species (Diapterus rhombeus, Eucinostomus melanopterus and Eugerres brasilianus) in the rio Mamanguape estuary, Brazil.

Fig. 2 in Feeding ecology of three juvenile mojarras (Gerreidae) in a tropical estuary of northeastern Brazil

Fig. 2. Ordination Diagram for principal components analysis on environmental parameters (A= PC1 vs. PC2; B= PC1 vs. PC3), coded by site from rio Mamanguape estuary. Sites: Mud flat (Diamond); Tidal Creek 1 (Square); Tidal Creek 2 (Black triangle); Tidal Creek 3 (Black dot).