Kingdom: Animalia > Phylum: Chordata > Class: Actinopterygii > Order: Cypriniformes > Family: Cyprinidae > Genus: Chondrostoma > Species: Chondrostoma polylepis

Iberian nase - Chondrostoma polylepis Steindachner, 1865

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Quick facts

Threat status Europe Least Concern (IUCN)
EU conservation status by biogeographical region Mediterranean - Unfavourable-Bad
Protected by EU Habitats Directive and 2 other international agreements
Natura 2000 sites 142 are designated for this species
Most preferred habitats
  • rivers and lakes
Natura 2000 species code 1116


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Threat and conservation status

IUCN Red List status of threatened species

The IUCN Red List threat status assesses the risk of extinction.

IUCN Red List Category
Not Evaluated
Near Threatened
Regionally Extinct
Not Applicable
Extinct in the Wild
Data Deficient
Least Concern
Critically Endangered

EU conservation status

Conservation status assesses every six years and for each biogeographical region the condition of habitats and species compared to the favourable status as described in the Habitats Directive. The map shows the 2007-2012 assessments as reported by EU Member State. Assessments are further detailed in the summary document available behind the link below.

Natura 2000 sites

Protected in the following Natura 2000 sites

Sitecode Country Site name Action
ES0000014 Spain Monfragüe y las Dehesas del Entorno Map
ES0000056 Spain Encinares del río Alberche y río Cofio Map
ES0000068 Spain Embalse de Orellana y Sierra de Pela Map
ES0000069 Spain Embalse de Cornalvo y Sierra Bermeja Map
ES0000070 Spain Sierra de San Pedro Map
ES0000071 Spain Llanos de Cáceres y Sierra de Fuentes Map
ES0000085 Spain Ribadeo Map
ES0000087 Spain Complexo intermareal Umia - O Grove, A Lanzada, punta Carreirón e lagoa Bodeira Map
ES0000089 Spain Valle del Tiétar y embalses de Rosarito y Navalcán Map
ES0000090 Spain Sierra Morena Map
ES0000092 Spain Alto Tajo Map
ES0000093 Spain ZEPA Montes de Toledo Map
ES0000139 Spain Estepas cerealistas de los ríos Jarama y Henares Map
ES0000162 Spain Serranía de Cuenca Map
ES0000163 Spain Sierra de Altomira Map
ES0000164 Spain Sierra de Ayllón Map
ES0000165 Spain Valle y salinas del Salado Map
ES0000169 Spain Río Tajo en Castrejón, islas de Malpica de Tajo y Azután Map
ES0000324 Spain Embalse de Arrocampo Map
ES0000326 Spain Embalse de Borbollón Map
ES0000329 Spain Embalse de Valdecañas Map
ES0000332 Spain Llanos de Trujillo Map
ES0000334 Spain Sierras Centrales y Embalse de Alange Map
ES0000355 Spain Hurdes Map
ES0000356 Spain Riberos del Almonte Map
ES0000367 Spain La Serena y Sierras Periféricas Map
ES0000368 Spain Río Tajo Internacional y Riberos Map
ES0000369 Spain Llanos de Alcantara y Brozas Map
ES0000370 Spain Sierra de Gata y Valle de las Pilas Map
ES0000375 Spain Esteiro do Miño Map
ES0000376 Spain Baixa Limia - Serra do Xurés Map
ES0000393 Spain Azud de Badajoz Map
ES0000399 Spain Embalse del Zujar Map
ES0000400 Spain Arrozales de Palazuelo y Guadalperales Map
ES0000408 Spain Vegas del Ruecas, Cubilar y Moheda Alta Map
ES0000415 Spain Embalse de Alcántara Map
ES0000421 Spain Embalse Gabriel y Galán Map
ES0000427 Spain Río y Pinares del Tietar Map
ES0000434 Spain Canchos de Ramiro y Ladronera Map
ES1110003 Spain Fragas do Eume Map
ES1110004 Spain Encoro de Abegondo - Cecebre Map
ES1110007 Spain Betanzos - Mandeo Map
ES1110011 Spain Esteiro do Tambre Map
ES1110013 Spain Xubia - Castro Map
ES1110014 Spain Serra do Careón Map
ES1110015 Spain Río Anllóns Map
ES1110016 Spain Río Tambre Map
ES1120001 Spain Ancares - Courel Map
ES1120002 Spain Río Eo Map
ES1120003 Spain Parga - Ladra - Támoga Map
ES1120012 Spain Río Landro Map
ES1120013 Spain Río Ouro Map
ES1120016 Spain Río Cabe Map
ES1130001 Spain Baixa Limia Map
ES1130002 Spain Macizo Central Map
ES1130005 Spain Río Támega Map
ES1130006 Spain Veiga de Ponteliñares Map
ES1130009 Spain Serra da Enciña da Lastra Map
ES1140001 Spain Sistema fluvial Ulla - Deza Map
ES1140004 Spain Complexo Ons - O Grove Map
ES1140006 Spain Río Tea Map
ES1140007 Spain Baixo Miño Map
ES1140013 Spain Serra do Candán Map
ES1140015 Spain Sobreirais do Arnego Map
ES1200023 Spain Río Eo (Asturias) Map
ES1200025 Spain Río Navia Map
ES1200029 Spain Río Nalón Map
ES1300014 Spain Río Camesa Map
ES4320039 Spain Sierra de las Villuercas y Valle del Guadarranque Map
PTZPE0005 Portugal Paul de Arzila Map
PTZPE0007 Portugal Serra da Malcata Map
PTZPE0008 Portugal Paul do Boquilobo Map
ES4310028 Spain Río Matachel Map
PTCON0015 Portugal Serras d'Aire e Candeeiros Map
ES4220007 Spain Ríos Quejigal, Valdeazogues y Alcudia Map
ES4250013 Spain Rios de la margen izquierda del Tajo y berrocales del Tajo Map
ES6200004 Spain Sierras y Vega Alta del Segura y Ríos Alhárabe y Moratalla Map
ES4230016 Spain Río Júcar sobre Alarcón Map
ES4240015 Spain Valle del Tajuña en Torrecuadrada Map
PTCON0044 Portugal Nisa / Lage da Prata Map
ES4220003 Spain Ríos de la cuenca media del Guadiana y laderas vertientes Map
ES4310010 Spain La Serena Map
ES4320037 Spain Sierra de Gata Map
ES4250001 Spain Sierra de San Vicente y valles del Tiétar y Alberche Map
ES4230014 Spain Serranía de Cuenca Map
ES4240003 Spain Riberas del Henares Map
ES4320061 Spain Arroyos Patana y Regueros Map
ES4320069 Spain Río Esperaban Map
ES4320077 Spain Monfragüe Map
PTCON0031 Portugal Monfurado Map
ES4320033 Spain Rivera de los Molinos y la Torre Map
PTCON0033 Portugal Cabrela Map
ES4250009 Spain Yesares del valle del Tajo Map
PTCON0004 Portugal Malcata Map
ES4320076 Spain Riveras de Gata y Acebo Map
ES3110001 Spain Cuencas de los ríos Jarama y Henares Map
ES4240018 Spain Sierra de Altomira Map
ES3110007 Spain Cuencas de los ríos Alberche y Cofio Map
ES4320031 Spain Río Tietar Map
ES4320011 Spain Las Hurdes Map
ES4240016 Spain Alto Tajo Map
PTCON0014 Portugal Serra da Estrela Map
ES3110006 Spain Vegas, cuestas y páramos del sureste de Madrid Map
ES4320062 Spain Cañada del Venero Map
ES1120014 Spain Canón do Sil Map
ES4320071 Spain Ríos Alagon y Jerte Map
ES4320002 Spain Cedillo y Río Tajo Internacional Map
ES4240021 Spain Riberas de Valfermoso de Tajuña y Brihuega Map
PTCON0007 Portugal S. Mamede Map
ES4320013 Spain Granadilla Map
ES0000392 Spain Valle del Tajuña en Torrecuadrada Map
ES1130007 Spain Pena Trevinca Map
ES4320072 Spain Ríos Arrago y Tralgas Map
ES4320038 Spain Sierra de Gredos y Valle del Jerte Map
ES4320030 Spain Río Salor Map
ES4210017 Spain Lagunas de Ruidera Map
ES4230006 Spain Hoces de Alarcón Map
ES4250014 Spain Sotos del río Alberche Map
ES4320073 Spain Rivera de Aurela Map
ES4310045 Spain Valdecigüeñas Map
PTCON0045 Portugal Sicó / Alvaiázere Map
PTCON0005 Portugal Paul de Arzila Map
ES4240014 Spain Quejigares de Barriopedro y Brihuega Map
ES4210016 Spain Sierra del Relumbrar y estribaciones de Alcaraz Map
ES4310032 Spain Rivera de los Limonetes - Nogales Map
PTCON0060 Portugal Serra da Lousã Map
ES4320060 Spain Arroyos Barbaon y Calzones Map
ES4220002 Spain Sierra de Picón Map
ES4220015 Spain Sierras de Almadén - Chillón - Guadalmez Map
PTCON0029 Portugal Cabeção Map
PTCON0027 Portugal Carregal do Sal Map
ES4320018 Spain Río Almonte Map
ES4320074 Spain Rivera de Membrio Map
PTCON0046 Portugal Azabuxo-Leiria Map
ES4320021 Spain Río Erjas Map
ES4310017 Spain Río Aljucén Bajo Map
ES4250005 Spain Montes de Toledo Map
ES0000437 Spain Pena Trevinca Map
ES4320001 Spain Canchos de Ramiro Map
ES0000436 Spain A Limia Map
ES0000488 Spain ZEPA Sierra de Ayllón Map
ES0000489 Spain ZEPA Valle y salinas del Salado Map

Protected sites

Please note the site map takes a while to display.

Common names and synonyms

Common Name Language Reference
Boga Portuguese Fishbase
Boga Spanish Fishbase
Boga de río Spanish EC-DGXI.d2, ETC/NC
Boga-de-boca-direita Portuguese Fishbase
Espanjannokkasärki Finnish Fishbase
Iberian nase English Fishbase
Iberian Nose English EC-DGXI.d2, ETC/NC
Iberischer Näsling German EC-DGXI.d2, ETC/NC
Iberisk næsling Danish EC-DGXI.d2, ETC/NC
Nase ibérique French EC-DGXI.d2, ETC/NC
Synonym Author
Chondrostoma polylepis duriensis (non Coelho, 1985)
Chondrostoma polylepis polylepis Steindachner, 1864

Other resources

Fauna Europaea Fauna Europaea
FishBase FishBase
GBIF search Global Biodiversity Information Facility
Habitats Directive Art. 17-2006 summary
ITIS (Valid name) Interagency Taxonomic Information System
NCBI search National Center for Biotechnology Information
PESI (Accepted) Pan-European Species directories Infrastructure
Wikipedia Wikipedia

External data

Reportnet deliveries

Files delivered through Reportnet with relevance to this species.

European Environment Agency (EEA)
Kongens Nytorv 6
1050 Copenhagen K
Phone: +45 3336 7100