Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil
<abstract language="eng">The rhythm of movements and feeding activity of juveniles of Loricariichthys anus (Valenciennes, 1840) in the Quadros lake, South Brazil, are investigated. Between October 1997 and August 1998, 236 specimens were captured during six bimonthly 24 hour gillnet...
Main Authors: | , |
---|---|
Format: | Article |
Language: | English |
Published: |
Fundação Zoobotânica do Rio Grande do Sul
2000-11-01
|
Series: | Iheringia: Série Zoologia |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212000000200006 |
id |
doaj-078a516d2ea54c389cae46d91e9a3460 |
---|---|
record_format |
Article |
spelling |
doaj-078a516d2ea54c389cae46d91e9a34602020-11-25T02:45:31ZengFundação Zoobotânica do Rio Grande do SulIheringia: Série Zoologia0073-47211678-47662000-11-018917117610.1590/S0073-47212000000200006Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, BrasilAna Cristina PetryUwe Horst Schulz<abstract language="eng">The rhythm of movements and feeding activity of juveniles of Loricariichthys anus (Valenciennes, 1840) in the Quadros lake, South Brazil, are investigated. Between October 1997 and August 1998, 236 specimens were captured during six bimonthly 24 hour gillnet surveys. Significantly elevated levels of movement and feeding activity during the day are registered. The patterns of movement and feeding activity displayed no significant difference, suggesting that high movement activity levels can be attributed to feeding activity. The mean of the intestinal quotient was 1,89, indicating omnivorous feeding habits.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212000000200006Loricariichthys anusjuvenilefeeding rhythmintestinal quotient |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Ana Cristina Petry Uwe Horst Schulz |
spellingShingle |
Ana Cristina Petry Uwe Horst Schulz Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil Iheringia: Série Zoologia Loricariichthys anus juvenile feeding rhythm intestinal quotient |
author_facet |
Ana Cristina Petry Uwe Horst Schulz |
author_sort |
Ana Cristina Petry |
title |
Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil |
title_short |
Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil |
title_full |
Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil |
title_fullStr |
Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil |
title_full_unstemmed |
Ritmo de alimentação de juvenis de Loricariichthys anus (Siluriformes, Loricariidae) da Lagoa dos Quadros, RS, Brasil Feeding activity of juveniles of Loricariichthys anus (Siluriformes, Loricariidae) in the Quadros Lake, RS, Brasil |
title_sort |
ritmo de alimentação de juvenis de loricariichthys anus (siluriformes, loricariidae) da lagoa dos quadros, rs, brasil feeding activity of juveniles of loricariichthys anus (siluriformes, loricariidae) in the quadros lake, rs, brasil |
publisher |
Fundação Zoobotânica do Rio Grande do Sul |
series |
Iheringia: Série Zoologia |
issn |
0073-4721 1678-4766 |
publishDate |
2000-11-01 |
description |
<abstract language="eng">The rhythm of movements and feeding activity of juveniles of Loricariichthys anus (Valenciennes, 1840) in the Quadros lake, South Brazil, are investigated. Between October 1997 and August 1998, 236 specimens were captured during six bimonthly 24 hour gillnet surveys. Significantly elevated levels of movement and feeding activity during the day are registered. The patterns of movement and feeding activity displayed no significant difference, suggesting that high movement activity levels can be attributed to feeding activity. The mean of the intestinal quotient was 1,89, indicating omnivorous feeding habits. |
topic |
Loricariichthys anus juvenile feeding rhythm intestinal quotient |
url |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212000000200006 |
work_keys_str_mv |
AT anacristinapetry ritmodealimentacaodejuvenisdeloricariichthysanussiluriformesloricariidaedalagoadosquadrosrsbrasilfeedingactivityofjuvenilesofloricariichthysanussiluriformesloricariidaeinthequadroslakersbrasil AT uwehorstschulz ritmodealimentacaodejuvenisdeloricariichthysanussiluriformesloricariidaedalagoadosquadrosrsbrasilfeedingactivityofjuvenilesofloricariichthysanussiluriformesloricariidaeinthequadroslakersbrasil |
_version_ |
1724762245551882240 |