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Registros recuperados: 4
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Ecologia de Tropidurus torquatus (Sauria: Tropiduridae) da Restinga de Guriri, São Mateus, ES BJB
TEIXEIRA,R. L.; GIOVANELLI,M..
Aspectos da ecologia de Tropidurus torquatus foram estudados mensalmente na restinga de Guriri, São Mateus, Norte do Espírito Santo, de fevereiro de 1996 a março de 1997. Foram coletados 108 exemplares com arma de pressão, sendo 45 machos, 56 fêmeas e 7 exemplares cujo sexo não foi identificado. O comprimento rostro-anal no total dos exemplares variou de 26,0 a 101,8 mm (média = 61,7 mm; DP = 15,1). O peso no total dos exemplares variou de 0,8 a 39,6 g (média = 14,6 g; DP = 10,4). Em freqüência de ocorrência, os itens alimentares que predominaram na dieta de T. torquatus foram as formigas (85,7%), coleópteros (32,4%), abelhas (31,4%), cupins (22,8%), aranhas (20,9) e flores (20,0%). Em relação à freqüência numérica, os itens alimentares que predominaram...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sauria; Tropiduridae; Tropidurus torquatus; Ecossistema costeiro; Alimentação; Razão sexual; Restinga.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000100002
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Evidence of terrestrial feeding in the arboreal lizard Enyalius bilineatus (Sauria, Polychrotidae) of south-eastern Brazil BJB
ZAMPROGNO,C.; ZAMPROGNO,M. das G. F.; TEIXEIRA,R. L..
The diet of the arboreal lizard E. bilineatus was assessed based on analysis of gut contents of specimens collected in the remnants of the Atlantic rainforest in Espírito Santo State, south-eastern Brazil. Stomachs of the lizards examined (SVL = 57.0-85.0 mm) contained nine arthropod orders. E. bilineatus utilizes a broad range of arthopodan prey type and sizes, and can be considered an arthropod generalist, which uses a sit-and-wait foraging strategy. Orthoptera represented the most important food item, followed by Dictyoptera and Hymenoptera. Hemiptera, Homoptera, Lepidoptera (larvae), Coleoptera, Araneae, and Diplopoda constituted the remainder of food items. The presence of Diplopoda, which are not generally found on tree trunks, provides particularly...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enyalius; Polychrotidae; Food habits; Atlantic Forest; South-eastern Brazil.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082001000100012
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Reproduction and food habits of the lined seahorse, Hippocampus erectus (Teleostei: Syngnathidae) of Chesapeake Bay, Virginia BJB
TEIXEIRA,R. L.; MUSICK,J. A..
The reproductive and feeding biology of the lined seahorse, Hippocampus erectus, was studied in Chesapeake Bay. Seahorses are monogamous, and males incubate the eggs received from females in a closed brood pouch (= marsupium). Females do not play any parental care after mating. Total sex ratio and the operational sex ratio was strongly skewed toward females. Males and females had similar number of eggs/embryos and hydrated oocytes, respectively. The number of eggs/embryos found in the male brood pouch varied from 97 to 1,552 (fish from 80 to 126 mm TL), whereas the number of hydrated oocytes in female varied from 90 to 1,313 (fish from 60 to 123 mm TL). Both, the number of eggs/embryos and hydrated oocytes were better linearly correlated to total weight...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Parental care; Fecundity; Fertility; Amphipods; Estuary.
Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71082001000100011
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Reproductive aspects of the gulf pipefish, Syngnathus scovelli (Teleostei: Syngnathidae), from Southeastern Brazil BJB
GASPARINI,J. L.; TEIXEIRA,R. L..
This study attempts to assess the relationship between fecundity and fertility of males and females of the gulf pipefish, Syngnathus scovelli. Specimens of this pipefish were collected in detached algae in the inner surf-zone of a dissipative sandy beach in southeastern Brazil. 97 specimens were collected, and they were associates to detached algae. From these, 14 were males, 36 females and 47 immature. Male-female sex ratio was 0.4:1, which was significantly different from the expected 1:1 ratio. Fish ranged from 43 to 98 mm TL (Fig. 1), and males and females showed similar size. Only 7 males were pregnants, while 9 females had hydrated oocytes. Minimum number of eggs/embryos in the pouch was 30 and the maximum 92. Minimum number of hydrated oocytes was...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Parental care; Brood pouch; Sex role reversal; Surf zone; Detached algae.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000100011
Registros recuperados: 4
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