2019 DAGOSTA & DE PINNA: DISTRIBUTION & BIOGEOGRAPHICAL PATTERNS OF AMAZON FISHES 141

Taxon Species Occurrence Araguaia, Tapajós, Jamanxim, middle-lower Madeira, Purus, Javari, Ucayali, Marañon-Nanay, Napo-Ambyiacu, Putumayo, Negro, Branco, Trombetas, Brachyhypopomus regani Amazonas main channel, Amazonas Estuary, Capim, Maroni-Approuague, lower Orinoco, upper Orinoco, Apure Teles Pires, Juruena, Guaporé, Beni-Madre de Dios, middle-lower Madeira, Madeira Shield Tributaries, Tefé, Napo-Ambyiacu, Japurá, Negro, Branco, Brachyhypopomus sullivani Trombetas, Amazonas main channel, Amazonas Estuary, Capim, Essequibo, upper Orinoco Brachyhypopomus verdii* Endemic – Marañon Upper Tocantins, Araguaia, upper Xingu, lower Xingu, Teles Pires, Juruena, Tapajós, Mamoré, Guaporé, Beni-Madre de Dios, middle-lower Madeira, Purus, Brachyhypopomus walteri Tefé, Marañon-Nanay, Napo-Ambyiacu, Putumayo, Negro, Branco, Urubu-Uatumã, Amazonas main channel, Capim, Essequibo, Paraná-Paraguay Mamoré, Guaporé, Putumayo, Amazonas main channel, Maroni-Approuague, Hypopomus artedi Coppename-Suriname-Saramacca, Corentyne-Demerara, Essequibo, upper Orinoco Araguaia, Tapajós, Mamoré, middle-lower Madeira, Madeira Shield Tributaries, Microsternarchus bilineatus Tefé, Negro, Branco, Urubu-Uatumã, Trombetas, Jari, Amazonas main channel, Capim, lower Orinoco, upper Orinoco, Apure Procerusternarchus pixuna* Endemic – Negro Racenisia fimbriipinna Negro, upper Orinoco Rhamphichthyidae 23 Araguaia, lower Tocantins, upper Xingu, Iriri, lower Xingu, Teles Pires, Tapajós, Mamoré, Guaporé, Beni-Madre de Dios, middle-lower Madeira, Madeira Shield Gymnorhamphichthys bogardusae Tributaries, Negro, Branco, Trombetas, Jari, Amazonas main channel, Amazonas Estuary, Essequibo, lower Orinoco, upper Orinoco, Apure Araguaia, lower Xingu, Mamoré, Guaporé, Beni-Madre de Dios, middle-lower Gymnorhamphichthys Madeira, Marañon-Nanay, Napo-Ambyiacu, Japurá, Negro, Branco, Trombetas, hypostomus Amazonas main channel, Amazonas Estuary, Essequibo, lower Orinoco, upper Orinoco Araguaia, lower Tocantins, upper Xingu, lower Xingu, Teles Pires, Juruena, Tapajós, Mamoré, Guaporé, Beni-Madre de Dios, middle-lower Madeira, Madeira Shield Tributaries, Purus, Coari-Urucu, Marañon-Nanay, Napo-Ambyiacu, Putumayo, Gymnorhamphichthys rondoni Japurá, Negro, Branco, Trombetas, Jari, Amazonas main channel, Amazonas Estuary, Capim, Coppename-Suriname-Saramacca, Corentyne-Demerara, Essequibo, upper Orinoco Lower Xingu, Tapajós, Jutaí, Negro, Amazonas main channel, Amazonas Estuary, Gymnorhamphichthys rosamariae Essequibo, lower Orinoco, upper Orinoco, Paraná-Paraguay Hypopygus benoneae* Endemic – Anapu Hypopygus cryptogenes Negro, upper Orinoco Hypopygus hoedemani* Endemic – Negro Upper Tocantins, Araguaia, lower Tocantins, upper Xingu, Teles Pires, Juruena, Tapajós, Mamoré, Guaporé, Beni-Madre de Dios, middle-lower Madeira, Madeira Shield Tributaries, Purus, Tefé, Javari, Ucayali, Marañon-Nanay, Napo-Ambyiacu, Hypopygus lepturus Putumayo, Japurá, Negro, Branco, Urubu-Uatumã, Trombetas, Jari, Amazonas main channel, Amazonas Estuary, Capim, Maroni-Approuague, Coppename-Suriname- Saramacca, Corentyne-Demerara, Essequibo, lower Orinoco, upper Orinoco, Apure, Paraná-Paraguay Hypopygus minissimus Negro, upper Orinoco Hypopygus neblinae Negro, Corentyne-Demerara, lower Orinoco, upper Orinoco, Apure Hypopygus nijsseni* Tefé, Amazonas main channel