Morphological abnormalities in the cladoceran Ilyocryptus spinifer (Apipucos Reservoir, Pernambuco State, Brazil)



Document title: Morphological abnormalities in the cladoceran Ilyocryptus spinifer (Apipucos Reservoir, Pernambuco State, Brazil)
Journal: Brazilian journal of biology
Database: PERIÓDICA
System number: 000275782
ISSN: 1519-6984
Authors: 1
Institutions: 1Universidade Catolica de Brasilia, Laboratorio de Zoologia, Brasilia, Distrito Federal. Brasil
Year:
Season: Feb
Volumen: 64
Number: 1
Pages: 53-58
Country: Brasil
Language: Inglés
Document type: Artículo
Approach: Experimental
English abstract In a sample taken from Apipucos Reservoir (Recife, PE, Brazil) for taxonomic study, a high percentage (40%) was found of cladoceran Ilyocryptus spinifer individuals with morphological abnormalities on their postabdomen. There was not a fixed pattern of the malformations, which varied in gravity, and could affect the postanal spines or terminal claws. The postabdominal abnormalities are described and compared to the ones described in the literature. The hypothesis of the morphological abnormalities being induced by an occasional environmental toxicant is discussed
Portuguese abstract Em uma amostra colhida no Açude de Apipucos (Recife, PE, Brasil), para estudos taxonômicos, foi encontrada alta porcentagem (40%) de indivíduos do cladócero Ilyocryptus spinifer portadores de anomalias morfológicas no pós-abdome. Não se observou um padrão fixo de malformações, sendo de intensidade variável e podendo afetar os espinhos pós-anais ou as garras terminais. As anomalias são descritas e comparadas a outros casos registrados na literatura. Discute-se a hipótese de estarem relacionadas à contaminação por agentes tóxicos da água do Açude de Apipucos
Disciplines: Biología
Keyword: Biología acuática,
Crustáceos,
Contaminación,
Ilyocryptus spinifer,
Cladocera,
Morfología,
Brasil,
Toxicidad
Keyword: Biology,
Aquatic biology,
Crustaceans,
Morphology,
Brazil,
Ilyocryptus spinifer,
Cladocera,
Toxicity
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