Reference health
Karyotypic similarities between two species of Rhamphichthys (Rhamphichthyidae, Gymnotiformes) from the Amazon basin
21/21 checkable references clean · checked 2026-07-22
Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.
20 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 21 checked references that resolve
resolves10.1007/0-387-28275-0_13
Diversity and Phylogeny of Neotropical Electric Fishes (Gymnotiformes)
resolves10.1023/A:1009287630301
Sex chromosome evolution in fish. II. Second occurrence of an X1X2Y sex chromosome system in Gymnotiformes
resolves10.1159/000071589
Chromosome evolution in fish: sex chromosome variability in <i>Eigenmannia virescens</i> (Gymnotiformes: Sternopygidae)
resolves10.1007/s11160-010-9196-0
Chromosomal characterization of two species of genus Steatogenys (Gymnotiformes: Rhamphichthyoidea: Steatogenini) from the Amazon basin: sex chromosomes and correlations with Gymnotiformes phylogeny
resolves10.1111/j.1095-8649.1998.tb01034.x
Effects of anoxia on the distribution, respiratory strategies and electric signal diversity of gymnotiform fishes
resolves10.3897/compcytogen.v3i2.17
Cytogenetic analysis in catfish species of the genus Peckoltia Miranda Ribeiro, 1912 (Teleostei: Siluriformes: Loricariidae)
resolves10.11646/zootaxa.933.1.1
A new Gymnotus (Teleostei: Gymnotiformes: Gymnotidae) from the Pantanal Matogrossense of Brazil and adjacent drainages: continued documentation of a cryptic fauna
resolves10.1007/BF01953855
Controlled silver-staining of nucleolus organizer regions with a protective colloidal developer: a 1-step method
resolves10.1508/cytologia.72.89
Cytogenetic Analysis of Three Sympatric Gymnotus Species (Teleostei: Gymnotidae) from the Fundo Stream, MG, Brazil
resolves10.3897/compcytogen.v6i1.1752
First record of supernumerary (B) chromosomes in electric fish (Gymnotiformes) and the karyotype structure of three species of the same order from the upper Paraná River basin
resolves10.11646/zootaxa.1397.1.7
Differences in karyotype between two sympatric species of Gymnotus (Gymnotiformes: Gymnotidae) from the eastern amazon of Brazil
resolves10.1186/1471-2156-11-28
Multiple rearrangements in cryptic species of electric knifefish, Gymnotus carapo (Gymnotidae, Gymnotiformes) revealed by chromosome painting
resolves10.1023/A:1007656801949
Swimming Patterns Associated with Foraging in Phylogenetically and Ecologically Diverse American Weakly Electric Teleosts (Gymnotiformes)
resolves10.1016/j.micron.2008.04.001
A conserved karyotype of Sternopygus macrurus (Sternopygidae, Gymnotiformes) in the Amazon region: Differences from other hydrographic basins suggest cryptic speciation
resolves10.1159/000131482
Simultaneous fluorescent staining of R bands and specific heterochromatic regions (DA-DAPI bands) in human chromosomes
resolves10.1016/0014-4827(72)90558-7
A simple technique for demonstrating centromeric heterochromatin
resolves10.35699/2675-5327.2005.22023
Novas sinapomorfias para Rhamphichthys Muller & Troschel, 1848 (Teleostei: Rhamphichthyidae)
The 20 references without a DOI — listed, not checked
no DOI — not checkedSpecies diversity and phylogenetics systematics of American knifefish (Gymnotiformes, Teleostei)
no DOI — not checkedThe Gymnotiform “Eels” of Tropical America: a history of classification and phylogeny of the South American electric knifefishes (Teleostei: Ostariophysi: Siluriphysi)
no DOI — not checked1801_B4
no DOI — not checked1801_B5
no DOI — not checkedCytogenetic markers in neotropical freshwater fishes
no DOI — not checked1801_B8
no DOI — not checkedPhylogenetic analysis of the South American electric fishes (Order Gymnotiformes) and the evolution of their electrogenic system: a synthesis based on morphology, electrophysiology, and mitochondrial sequence data
no DOI — not checkedCytotaxonomic considerations on Hoplias lacerdae (Pices, Erythrinidae)
no DOI — not checked1801_B13
no DOI — not checkedFamily Rhamphichthyidae
no DOI — not checkedSuspensão das descargas de eletrolocação-comunicação e tamanho corporal no peixe elétrico Gymnotus carapo Miller 1966 (Osteichtyes, Gymnotidae)
no DOI — not checked1801_B20
no DOI — not checkedSensory cues for the gradual frequency fall responses of the gymnotiform electric fish, Rhamphichthys rostratus
no DOI — not checked1801_B23
no DOI — not checked1801_B26
no DOI — not checkedElectric fishes of the continental waters of America
no DOI — not checkedChromosomal analysis of Roeboides paranensis (Pisces, Characidae) from the Paraná River
no DOI — not checked1801_B31
no DOI — not checked1801_B35
no DOI — not checked1801_B38
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