Results 81 to 90 of about 2,788 (258)
Neotropical IchthyologyThree new species of Hyphessobrycon (Characiformes: Characidae) are described from the upper rio Araguaia basin. Hyphessobrycon langeanii n. sp. is distinguished from all congeners by the presence of a well-defined, round humeral spot, a reticulate color
Flávio C. T. Lima, Cristiano R. Moreira
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Ecology and Evolution, Volume 8, Issue 20, Page 10039-10048, October 2018., 2018 Climate change will affect Amazonian species due to increasing temperatures and water acidification. Newly‐hatched tambaqui larvae were exposed to three climate change scenarios for 16 days. Larvae growth and skeletal development were hindered and several skeletal anomalies appeared, especially in the drastic climate change scenario.
Ivã Guidini Lopes +4 more
wiley +1 more source
Electric fishes of the genus Sternarchorhynchus (Teleostei, Ostariophysi, Gymnotiformes); phylogenetic and revisionary studies [PDF]
, 2010 Figure 2. Premaxilla and anterior portion of neurocranium of Sternarchorhynchus goeldii, MCZ 46887; dorsal view, anterior to left.Published as part of Santana, Carlos David De & Vari, Richard P., 2010, Electric fishes of the genus Sternarchorhynchus ...
RICHARD P. VARI +3 more
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Taxonomy of Triportheus (Ostariophysi: Triportheidae) from the Paraná-Paraguai basin, South America
Neotropical IchthyologyA taxonomic review of Triportheus from the Paraná-Paraguai basin was conducted, with four valid species recognized: two natives, one introduced in the upper rio Paraná basin, and one new species described herein.
D. Lopes, F. R. Carvalho
semanticscholar +1 more source
Developmental Dynamics, Volume 254, Issue 8, Page 887-901, August 2025.Abstract Homology in vertebrate body plans is traditionally ascribed to the high‐level conservation of regulatory components within the genetic programs governing them, particularly during the “phylotypic stage.” However, advancements in embryology and molecular phylogeny have unveiled the dynamic nature of gene repertoires responsible for early ...
Shigehiro Kuraku
wiley +1 more source
Callichthyidae (Ostariophysi: Siluriformes) dissection protocol v1 [PDF]
, 2018 This protocol shows how to dissect callichthyid fishes without losing importante anatomical information about the relative position and shape of internal organs.
Karina Carvalho F. Ferreira +1 more
openaire +1 more source
FIGURE 1 in New species of Creagrutus (Ostariophysi; Characiformes; Characidae) from the Rio Xingu drainage, Brazil [PDF]
, 2018 FIGURE 1. Creagrutus yudja, new species, holotype, MNRJ 48662, 26.7 mm SL, Brazil, Pará, Altamira, Praia do Levi, Rio Iriri, Rio Xingu basin.Published as part of Netto-Ferreira, Andre L.
Netto-Ferreira, Andre L. +1 more
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External Morphology of Leporinus oliveirai (Characiformes: Anostomidae) During Early Life Stages
Journal of Morphology, Volume 286, Issue 7, July 2025.Herein, we describe the early development of Leporinus oliveirai, a recently described species, documenting its external morphology with photographs and illustrations. The ontogeny of L. oliveirai is compared with other anostomids and developmental patterns are described for the family.
Ian Solon Bortoloci Ito +4 more
wiley +1 more source
Fig. 2 in A new species of the lowland Oligosarcus Günther species group (Teleostei: Ostariophysi: Characidae) [PDF]
, 2015 Fig. 2. Horizontal orbital diameter as a function of head length for Oligosarcus varii. Oligosarcus jenynsii and O. jacuiensis introduced for comparisons.Published as part of Menezes, Naércio Aquino & Ribeiro, Alexandre Cunha, 2015, A new species of the ...
Menezes, Naércio Aquino +1 more
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Samakia : Jurnal Ilmu PerikananIkan Corydoras Panda (Ostariophysi: Siluriformes: Callichthyidae) merupakan salah satu jenis ikan hias air tawar yang populer di kalangan penghobi akuarium.
Muhammad Ikhwan Ihtifazhuddin +3 more
semanticscholar +1 more source