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Revision of the catfish family Pimelodidae (Teleostei: Siluriformes) of Bolivia
Neotropical Hydrobiology and Aquatic ConservationThis review provides an updated list, morphological characterization, and an artificial dichotomous key for identifying Pimelodidae fish species of Bolivia. 346 specimens deposited in the UMSS–Museo d’Orbigny Ichthyological Collection (Cochabamba, Bolivia) were examined. The morphological characterization was based on 41 measurements.
Hitomi Torrico Destre +3 more
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Mitochondrial DNA Part A, 2015
The Neotropical freshwater fish Pseudoplatystoma magdaleniatum is a trans-Andean species that belongs to the family of long-whiskered catfishes (family Pimelodidae). In this study, the complete mitochondrial genome of P. magdaleniatum was sequenced using the MiSeq Illumina platform. The complete circular mitogenome is 16,568 bp in length, exhibiting an
Jose D, Rangel-Medrano +2 more
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The Neotropical freshwater fish Pseudoplatystoma magdaleniatum is a trans-Andean species that belongs to the family of long-whiskered catfishes (family Pimelodidae). In this study, the complete mitochondrial genome of P. magdaleniatum was sequenced using the MiSeq Illumina platform. The complete circular mitogenome is 16,568 bp in length, exhibiting an
Jose D, Rangel-Medrano +2 more
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Ultrastructure of Sorubim lima (Teleostei, Siluriformes, Pimelodidae) spermiogenesis.
Journal of submicroscopic cytology and pathology, 2001The spermiogenesis and the spermatozoon ultrastructure of Sorubim lima were studied. Our observations showed that early spermatids are round-shaped cells, have spherical nucleus with diffuse chromatin, small quantity of mitochondria and large amount of vesicles in the cytoplasm. During the differentiation process in the nucleus, chromatin compacts in a
Quagio Grassiotto, Irani +1 more
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Tissue and Cell, 1999
The ultrastructure of Sorubim lima spermatogenesis during the premeiotic and meiotic periods was studied. Our observations showed that the germ cells in the cysts are connected by cytoplasmic bridges and the mitotic and meiotic divisions are slightly asynchronous.
Quagio-Grassiotto, I, Carvalho, E. D.
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The ultrastructure of Sorubim lima spermatogenesis during the premeiotic and meiotic periods was studied. Our observations showed that the germ cells in the cysts are connected by cytoplasmic bridges and the mitotic and meiotic divisions are slightly asynchronous.
Quagio-Grassiotto, I, Carvalho, E. D.
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Threatened fishes of the world: Pimelodella kronei (Ribeiro, 1907) (Pimelodidae)
Environmental Biology of Fishes, 1997Common names: Bagre cego (Port.), blind catfish (E). Conservation status: Endangered (some populations), vulnerable (others). Identification: Troglobite (fish species restricted to a subterranean habitat). Differs from the epigean catfish Pimelodella transitoria as a result of the regression of the eyes and pigmentation, and slightly shorter dorsal ...
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Convergent adaptations to cave life in the Rhamdia laticauda catfish group (Pimelodidae, Teleostei)
Environmental Biology of Fishes, 2001The nocturnal Mexican catfish Rhamdia laticauda (Pimelodidae, Teleostei) is the surface sister species of a number of cave species. Comparison between two of them, R. zongolicensis and R. reddelli, reveals an intermediate state of reduction of the biologically functionless eyes, melanin pigmentation and the negative phototactic behavior.
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Chromosomal organization of repetitive DNA in Sorubim lima (Teleostei; Pimelodidae).
Cytogenetic and genome research, 2014Interspaced repetitive DNA elements and segmental duplications have been extensively analyzed in fishes through physical chromosome mapping methods, providing a better comprehension of the structure and organization of the genome of this group. In order to contribute to this scenario, a sequence integration study of different classes of repetitive DNA ...
T S, Sczepanski +4 more
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