| Crenicichla chicha, a new species of pike cichlid (Teleostei: Cichlidae) from the rio Papagaio, upper rio Tapajós basin, Mato Grosso, Brazil HR Varella, SO Kullander, FCT Lima Neotropical Ichthyology 10, 233-244, 2012 | 24 | 2012 |
| A titan among dwarfs: Apistogramma kullanderi, new species (Teleostei: Cichlidae) HR Varella, MH Sabaj Pérez Ichthyological Exploration of Freshwaters 25 (3), 243-258, 2014 | 16 | 2014 |
| Revisão taxonômica das espécies de Crenicichla Heckel das bacias dos rios Paraná e Paraguai (Teleostei: Cichlidae) HR Varella Universidade de São Paulo, 2011 | 15 | 2011 |
| Crenicichla ploegi, a new species of pike-cichlid of the C. saxatilis group from the Rio Juruena and upper Rio Paraguai basins in Brazil, with an updated diagnosis and … HR Varella, MV Loeb, FCT Lima, SO Kullander Zootaxa 4377 (3), 361-386, 2018 | 11 | 2018 |
| Wallace’s pike cichlid gets a name after 160 years: a new species of cichlid fish (Teleostei: Cichlidae) from the upper Rio Negro in Brazil SO Kullander, HR Varella Copeia 103 (3), 512-519, 2015 | 11 | 2015 |
| Teleocichla preta, a new species of cichlid from the Rio Xingu Basin in Brazil (Teleostei: Cichlidae) HR Varella, J Zuanon, SO Kullander, H López‐Fernández Journal of Fish Biology 89 (3), 1551-1569, 2016 | 10 | 2016 |
| Crenicichla dandara, new species: the black jacundá from the Rio Xingu (Teleostei: Cichlidae). HR Varella, PMM Ito Proceedings of the Academy of Natural Sciences of Philadelphia 166, 1-13, 2018 | 9 | 2018 |
| Apistogramma eleutheria and A. flavipedunculata, two new species of dwarf cichlidsfrom the rio Curuá on Serra do Cachimbo, Brazil (Teleostei: Cichlidae). HR Varella, R Britzke Ichthyological Exploration of Freshwaters 27 (1), 81-95, 2016 | 9 | 2016 |
| Teleocichla wajapi, a new species of cichlid from the rio Jari, Brazil, with comments on T. centrarchus Kullander, 1988 (Teleostei: Cichlidae) HR Varella, CR Moreira Zootaxa 3641 (2), 177-187, 2013 | 7 | 2013 |
| Revision of the generic classification of pike cichlids using an integrative phylogenetic approach (Cichlidae: tribe Geophagini: subtribe Crenicichlina) HR Varella, SO Kullander, NA Menezes, C Oliveira, H López-Fernández Zoological Journal of the Linnean Society 198 (4), 982-1034, 2023 | 6 | 2023 |
| Stable isotopes to study sulfur amino acid utilization in broilers RM Suzuki, LG Pacheco, JCP Dorigam, JC Denadai, GS Viana, ... animal 14 (S2), s286-s293, 2020 | 6 | 2020 |
| First record of Crenicichla semifasciata (Heckel, 1840) (Teleostei: Cichlidae) in the upper rio Paraná basin, Brazil CA Roa-Fuentes, J Zeni, H Varella, F Langeani, M Molina Check List 11 (2), 1610-1610, 2015 | 5 | 2015 |
| Capítulo 51 - Cichlidae WJ Graça, HR Varella, F Vieira Peixes do rio Madeira, 1ª edição 3, 331-389, 2013 | 5* | 2013 |
| A new species of Anchoviella (Clupeiformes: Engraulidae) from the western Amazon River in Peru, with comments on congeners in the Peruvian Amazon River MV Loeb, HR Varella, NA Menezes Journal of Fish Biology, doi: 10.1111/jfb.13601, 2018 | 3 | 2018 |
| Relações filogenéticas das espécies de Crenicichla Heckel, 1840 e Teleocichla Kullander, 1988 (Teleostei: Cichlidae) HR Varella Universidade de São Paulo, 2016 | 1 | 2016 |
| COMPOSIÇÃO DA ICTIOFAUNA DO MÉDIO RIO PARANAPANEMA NO TRECHO ENTRE OS RESERVATÓRIOS DE SALTO GRANDE E JURUMIRIM, ESTADOS DO PARANÁ E SÃO PAULO. HR Varella, VV Cesário, AK Oliveira, F Apone, XM Lopes, AF Sabbag Anais do VIII Congresso de Ecologia do Brasil 23, 1-2, 0 | 1 | |
| Historical field records reveal habitat as an ecological correlate of locomotor phenotypic diversity in the radiation of Neotropical Geophagini fishes V Astudillo-Clavijo, H Varella, T Mankis, H López-Fernández | | 2024 |
Sven O. KullanderProressor Emeritus, Swedish Museum of Natural HistoryVerified email at svenkullander.se
