Diet and Feeding Behavior of<i>Helicops infrataeniatus</i>(Serpentes: Colubridae: Xenodontinae) in Southern Brazil

Aguiar, Luís F.S.; Di-Bernardo, Marcos

doi:10.1080/01650520412331270927

Cited by 33 publications

(24 citation statements)

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“…Most prey were consumed head-first, a trend observed in most snakes (MUSHINSKY 1987, GREENE 1997, RUFFATO et al 2003, AGUIAR & DI-BERNARDO 2004, ALBUQUERQUE et al 2007, LEITE et al 2007). This behavior reduces time and effort spent swallowing, reducing the resistance imposed by the limbs.…”

Section: Discussionmentioning

confidence: 99%

“…Prey ingested head-first were significantly larger than items ingested tail-first. Two hypotheses can explain these results: 1) the snake manipulates large prey in a way that results in head-first ingestion (GREENE 1997, AGUIAR & DI-BERNARDO 2004, ALBUQUERQUE et al 2007, or 2) bitting the prey on the anterior portion of the body is morel likely to result in successful ingestion by the snake (see VINCENT & MORI 2008).…”

Section: Discussionmentioning

confidence: 99%

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Feeding ecology of Liophis reginae semilineatus (Serpentes: Colubridae: Xenodontinae) in eastern Amazon, Brazil

Albarelli¹,

Santos-Costa²

2010

Zoologia (Curitiba, Impr.)

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Feeding ecology of Liophis reginae semilineatus (Serpentes: Colubridae: Xenodontinae) in eastern Amazon, Brazil

Albarelli¹,

Santos-Costa²

2010

Zoologia (Curitiba, Impr.)

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“…The anteroposterior direction of ingestion, prevalent in this study, follows the pattern found in most species of snakes (PALMUTI et al 2009), for example Helicops infrataeniatus (Jan, 1865) (AGUIAR & DI-BERNARDO 2004) and Thamnodynastes strigatus (Günther, 1858) (RUFFATO et al 2003). According to GREENE (1976), this direction prevents the limbs of the prey and the disposition of their scales from offering resistance to swallowing, and minimizes the potential risk of injuries caused by the claws or teeth of the prey.…”

mentioning

confidence: 96%

Reproduction and diet of Imantodes cenchoa (Dipsadidae: Dipsadinae) from the Brazilian Amazon

Sousa¹,

Prudente²,

Maschio³

2014

Zoologia (Curitiba)

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“…Our objective is to identify if juvenile silver catfish can recognize chemical cues released by two different potential predators, Hoplias malabaricus (Block, 1794), a piscivorous fish (Peretti, Andrian, 2008) and Helicops infrataeniatus Jan, 1865, a snake with fishes in its diet (Aguiar, Di-Bernardo, 2004). Helicops infrataeniatus is a is a potential predator of silver catfish because is commonly found in fishponds in southern Brazil (Giraudo, 2001) and may eventually present a threat to fish farms, bringing losses to production.…”

Section: Introductionmentioning

confidence: 99%

Conspecific and heterospecific alarm substances induce behavioral responses in juvenile catfish Rhamdia quelen

et al. 2017

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The recognition of chemical information indicating the presence of a predator is very important for prey survival. In this study we tested antipredator behavioral response of juvenile silver catfish (Rhamdia quelen) against predator odor released by two different potential predators, Hoplias malabaricus and the snake Helicops infrataeniatus, and alarm cues and disturbance cues released by conspecifics and by non-predator species, Megaleporinus obtusidens and Astyanax lacustris. We used juvenile catfish that were naive to predators. The trials consisted of a 10-min prestimulus and a 10-min post-stimulus observation period. The behavioral response displayed by silver catfish exposed to alarm cues comprised a decrease in shelter use and an increase in locomotion, and also a longer latency period before feeding. Our results showed that juvenile silver catfish can perceive chemical cues released by predators, heterospecifics and conspecifics.Keywords: Alarm cues, Anti-predator behavior, Disturbance cues, Predator odor, Skin extract.O reconhecimento das informações químicas indicando a presença de predadores é muito importante para a sobrevivência da presa. Neste estudo foi testada a resposta comportamental anti-predação de juvenis de jundiás (Rhamdia quelen) a substâncias liberadas por dois predadores potenciais, Hoplias malabaricus e a cobra Helicops infrataeniatus, e substâncias de alarme liberadas por conspecíficos e pelas espécies não predadoras Megaleporinus obtusidens e Astyanax lacustris. Foram usados juvenis de jundiá que não possuíam nenhum contato prévio com predadores. Os testes consistiram em observações de períodos de 10 minutos pré estímulo e 10 minutos pós estímulo. As respostas comportamentais apresentadas pelos jundiás expostos às substâncias de alarme consistiram em diminuição no uso do abrigo, aumento na locomoção e também um longo período de latência antes de ingerir o alimento. Os resultados demonstram que juvenis de jundiá percebem substâncias químicas liberadas por predadores, heterospecíficos e conspecíficos. Palavras-chave:Comportamento anti-predador, Extrato de pele, Odor do predador, Sinais de alarme, Sinais de perturbação.

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Diet and Feeding Behavior ofHelicops infrataeniatus(Serpentes: Colubridae: Xenodontinae) in Southern Brazil

Cited by 33 publications

References 0 publications

Feeding ecology of Liophis reginae semilineatus (Serpentes: Colubridae: Xenodontinae) in eastern Amazon, Brazil

Feeding ecology of Liophis reginae semilineatus (Serpentes: Colubridae: Xenodontinae) in eastern Amazon, Brazil

Reproduction and diet of Imantodes cenchoa (Dipsadidae: Dipsadinae) from the Brazilian Amazon

Conspecific and heterospecific alarm substances induce behavioral responses in juvenile catfish Rhamdia quelen

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