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Fig. 4 in Reproductive biology of Tylototriton yangi (Urodela: Salamandridae), with suggestions on its conservation

Fig. 4. Pre-spermatophore courtship behavior pattern of Tylototriton yangi in captivity. Clockwise from top-left: a) male nudging the side of the female's head with his snout; b) male nudging the side of the female's body; c) male blocking female's path and beginning to fold his tail; and d) male fanning the tip of his tail toward the female's head. Photographs by Kai WANG.

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Fig. 2 in Reproductive biology of Tylototriton yangi (Urodela: Salamandridae), with suggestions on its conservation

Fig. 2. Habitat in which Tylototriton yangi was found at the type locality of Gejiu. Examples of typical breeding pools are shown at the right corner (from left to right, PBP#17 and PBP#12), and positions of other pools are indicated by white arrows. Photographs by Kai WANG.

Fig. 5 in Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource

Fig. 5. Achelous spinimanus (Latreille, 1819). Seasonal variation in the proportion of adult females and adult males in different gonadal stages in the Ubatuba region (OF, ovigerous females; DE, developed gonads; ED, developing gonads; RU, rudimentarY gonads; IM, immatures).

Fig. 3 in Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource

Fig. 3. Diagram showing the seasonal variation of water temperature and salinity from January 1998 to December 1999, in three bays (Ubatumirim, Ubatuba and Mar Virado), from the São Paulo state, southeastern coast of Brazil (CW, Coastal Water; TW, Tropical Water; SACW, South Atlantic Central Water).

Fig. 1 in Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource

Fig. 1. Map of the Ubatuba region, in the northeastern coast of São Paulo state, Brazil, showing the three bays (Ubatumirim, Ubatuba and Mar Virado), and their respective sampling stations. Font: adapted from ANDRADE et al. (2014).

Fig. 2 in Reproductive biology of the swimming crab Achelous spinimanus (Decapoda, Portunoidea): a potential fishing resource

Fig. 2. Bottom and surface temperature (BT and ST, respectively), seasonal variation in each sampling stations and areas (Shel = sheltered and Exp = exposed) from 1998 to 1999.

Fig. 8 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 8. Monthly variation of the mean values of GSI ± Standard Deviation (SD) of Cichla kelberi females (a) and males (b), in Lobo Reservoir, during the study period.

Fig. 7 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 7. Histological slides of gônads of Cichla kelberi female (a – c) and male (d – f) in Lobo reservoir (Bouin, hematoxylin and eosin). a- Resting ovary with perinucleolar oocytes (100x); b- In Maturation ovary showing group synchronous development of oocytes (40x); c- Spent ovary with post-ovulatory follicles (40x); d- Resting testicle (200x); e and f- In Maturation testicle showing group synchronous development of spermatocytes (200x). Legend: O P: perinucleolar oocyte, O A: cortical alveoli oocyte, O V: vitellogenic oocyte, P F: post-ovulatory follicle, S 1: primary spermatocyte, S 2: secondary spermatocyte, S T: spermatid and S : spermatozoid.

Fig. 6 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 6. Monthly distribution of frequency of gonadal maturation stages of females (a) and males (b) of Cichla kelberi in the Lobo reservoir during the study. (Legend: 1- Resting; 2- In Maturation; 3- Spawning and 4- Spent).

Fig. 4 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 4. Distribution of the relative frequencies of occurrence of specimens of Cichla kelberi in total length classes, by seasons of the year, at Lobo Reservoir.

Fig. 5 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 5. Monthly variation of the mean relative condition factor values (Kn) ± Standard Deviation (SD) of Cichla kelberi females (a) and males (b), in Lobo Reservoir, during the study period. (Legend: * Kn of significantly different than 1.0).

Fig. 3 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 3. Distribution of the absolute frequencies of occurrence of females and males of Cichla kelberi in the total length classes – Lt - (cm) in Lobo Reservoir during the study period. (Legend: * sex ratio different than 1:1).

Fig. 2 in Population structure and reproductive biology of Cichla kelberi (Perciformes, Cichlidae) in Lobo Reservoir, Brazil

Fig. 2. Bimonthly variation of average air temperature (°C) and total rainfall (mm) at Lobo Reservoir during the first and second period of study.

Fig. 6 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 6. Sexual development for females of Sympterygia bonapartii. Relationship between total length (cm) and (a) ovaries weight (g), (b) diameter of the largest follicle (cm), (c) uteri width (cm), (d) oviducal gland height (cm) and (e) number of follicles.

Fig. 7 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 7. Sexual development for females of Sympterygia acuta. Relationship between total length (cm) and (a) ovaries weight, (b) uteri width (cm), (c) diameter of the largest follicle (cm) and (d) oviducal gland height (cm).

Fig. 3 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 3. Sympterygia bonapartii. Relationship between total length (cm) and (a) clasper length (cm), (b) clasper gland length (cm), (c) diameter of the testicular lobule (cm), (d) testicles weight (g) and (e) total number of alar thorns (left Y axis) and total number of rows of alar thorns (right Y axis).

Fig. 2 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 2. Sympterygia bonapartii (circles) with relationship between total length (cm) and (a) disc width (cm), (b) total weight (g) and (c) eviscerated weight (g) (by sex). Sympterygia acuta (triangles) with relationship between total length (cm) and (d) disc width (cm), (e) total weight (g) and (f) eviscerated weight (g).

Fig. 1 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 1. Map of the study area. Left map represents South America. The square is a detail of the study area. The right map represents south of Brazil indicating the trawling stations where the specimens of Sympterygia were captured; research cruises of the research vessel "Larus" (triangles) and commercial bottom trawl fishing trips (circles).

Fig. 5 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 5. Sympterygia acuta. Relationship between total length (cm) and (a) clasper length (cm), (b) clasper gland length (cm), (c) testicles weight (g) and (d) total number of alar thorns (left Y axis) and total number of rows of alar thorns (right Y axis).

Fig. 4 in Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil

Fig. 4. Percentage of mature individuals by total length class for males and females Sympterygia acuta (black line) and S. bonapartii (grey line). Empty triangles represent male Sympterygia bonapartii and full triangles, male S. acuta. Empty circles represent female S. bonapartii and full circles, female S. acuta.