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opencc-by-4.0Sep 2011View details →

Fig. 7 in Population structure and reproductive behavior of Sinaloa cichlid Cichlasoma beani (Jordan, 1889) in a tropical reservoir

Fig. 7. Size at first maturity of the Sinaloa cichlid Cichlasoma beani in the Aguamilpa Reservoir in Nayarit, Mexico.

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Fig. 5 in Population structure and reproductive behavior of Sinaloa cichlid Cichlasoma beani (Jordan, 1889) in a tropical reservoir

Fig. 5. Reproductive cycle of the Sinaloa cichlid Cichlasoma beani in the Aguamilpa Reservoir in Nayarit, Mexico.

opencc-by-4.0Jul 2011View details →

Fig. 2 in Social and reproductive physiology and behavior of the Neotropical cichlid fish Cichlasoma dimerus under laboratory conditions

Fig. 2. Body color patterns associated with different social status; a) Schematic representation of the main features of Cichlasoma dimerus color pattern. A: red eye blotch; B: preopercular blotch, C: anterior longitudinal line; D: mid trunk blotch; E: posterior longitudinal line; F: peduncular blotch; G: dorsal transversal bars; H: ventral transversal bars. These features may "turn on" or "off" in different conditions; b) Gregarious individuals; c) Reproductive Territorial male (RT); d) Reproductive Territorial female. e) Non Reproductive Territorial male (nRnT); f) Non Reproductive non Territorial (nRnT) individual. Scale bar = 1 cm

opencc-by-4.0Jul 2011View details →

Fig. 1 in Social and reproductive physiology and behavior of the Neotropical cichlid fish Cichlasoma dimerus under laboratory conditions

Fig. 1. Distribution of different social status fish on the experimental aquaria: a) Picture of the experimental aquaria; b) Schematic representation. Abbreviations of social statuses used: nRnT = non Reproductive non Territorial individuals; nRT = non Reproductive Territorial individual; RT = Reproductive Territorial individual. For a detailed description of these social statuses see Table 3.

Fig. 1. A in Reproductive behavior and parental roles of the cichlid fish Laetacara araguaiae

Fig. 1. A pair of Laetacara araguaiae with fry (arrows). The largest fish is the male. Photo: Elias F. Lopes de Freitas.

Fig. 5 in Reproductive behavior and parental roles of the cichlid fish Laetacara araguaiae

Fig. 5. Mean frequency (± SE) of threats (a) and attacks (b) given by male and female in the pre-spawning (n = 11), egg/ wriggler (n = 11) and free-swimming fry (n = 12) phases. * indicates significant difference between sexes (Wilcoxon signed-rank test). Different letters indicate significant differences between phases for each sex (Kuskal-Wallis followed by Dunn post hoc test).

Fig. 4 in Reproductive behavior and parental roles of the cichlid fish Laetacara araguaiae

Fig. 4. Mean frequency (± SE) of agonistic acts given by male and female in the pre-spawning (n = 11), egg/wriggler (n = 11) and free-swimming fry (n = 12) phases. NS is non significant values (Two-way ANOVA followed by Tukey post hoc test).

Fig. 2 in Reproductive behavior and parental roles of the cichlid fish Laetacara araguaiae

Fig. 2. Mean frequency (± SE) of nest digging in the prespawning phase by males and females of Laetacara araguaiae (Wilcoxon signed-rank test).

Fig. 5 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 5. Left eye size (diameter, in mm) versus total length (in mm) in the seven specimens (respectively a to g) of Ancistrus cryptophthalmus of the Passa Três 2004 offspring.

Fig. 2 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 2. Size (total length, in mm) versus age (in days) in four specimens of Ancistrus cryptophthalmus from Passa Três Cave born in laboratory in March 2003.

Fig. 4 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 4. Size (total length, in mm) versus age (in days) of two wild caught specimens of Ancistrus cryptophthalmus from Angélica Cave kept in laboratory.

Fig. 1 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 1. (a) Reproductive adults of Ancistrus cryptophthalmus from Passa Três Cave kept in laboratory: two females (to the left) and male (to the right, dorso-posterior region of the head red-colored); arrow indicates the entrance of the shelter occupied by the male. Photograph taken on April 2004. (b) Cluster of eggs adhered to the ceiling of the shelter, average diameter = 4.0 mm. (c) Area around the shelter entrance (within the white circle) defended by the male (close to the center of the circle). (d) Clockwise from the top left: embrio (eyes visible), newly hatched larva (10.4 mm TL), more advanced larva (12.5 mm TL), with yolk-sac almost completely absorbed. (e) Top: 53 mm long juvenile from Passa Três Cave, with regressed eyes; arrow indicates the orbit reduced to a small depression covered with skin. Bottom: 53 mm long juvenile from Angélica Cave, probable the same age as the former, showing non-regressed eyes. (f) Detail of the head of the juvenile from Passa Três; arrows indicate the first primordia of tentacles.

Fig. 6 in Reproductive behavior, development and eye regression in the cave armored catfish, Ancistrus cryptophthalmus Reis, 1987 (Siluriformes: Loricariidae), breed in laboratory

Fig. 6. Eye size (diameter, in mm) versus age (in days) in three selected specimens (from left to right) of Ancistrus cryptophthalmus from Passa Três Cave; right eye on the top, left eye on the bottom.

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Automatic extraction of opinions of users of social networks on reproductive behavior issues

The database contains an upload of text comments in Russian from the social network Vkontakte in .tsv format (UTF-8 encoding). Comments are collected from communities, which discuss pregnancy, childhood, motherhood, paternity, etc. Comments are collected from communities, which discuss pregnancy, childhood, motherhood, paternity, etc.  The database contains train, test and valid sets for machine learning processing. For the analysis of opinions in the field of reproductive behavior, nine groups of the social network Vkontakte were selected, in the names or descriptions of which the words "childfree" and their variations were clearly present, and 341 groups, in the names or descriptions of which the keywords "mother", " mothers "," children ", etc. and the number of subscribers of which was more than 10,000 people. This distribution of groups depended on the different activity of groups - supporters of a childless lifestyle produced significantly more posts and comments on our topics. Using data from different groups of the social network Vkontakte avoids data homogeneity - one of the weak points of sentiment analysis. Thus, the presented database is suitable for the analysis of specific demographic groups, which we conditionally called “anti-natalists” and “pronatalists”. Note that in the group of pronatalists there are largely representatives of a small child model of reproductive behavior. The sample contains data about stance on 6 topics: "maternity capital / benefits", "abortion", "large families", "childlessness", "parental leave", "individualism".The topics are selected by a set of keywords such as abortion, childfree, rest, no child and so on. Sentences from the collected sample were randomly selected for annotator marking. Each sentence was marked with three annotators. Since each sentence could discuss several issues, the annotator marked each sentence on all seven topics. The proposals were marked up mainly by professional demographers and linguists.