Mountain mullet

The mountain mullet (Dajaus monticola) is a freshwater fish of the family Mugilidae in the Mugiliformes order.[3] It can be found in North and South America, from North Carolina, Florida, Louisiana and Texas in the United States to Colombia and Venezuela, including the West Indies in the Antilles.[4] It is the only species in the monospecific genus Dajaus.

Mountain mullet
Agonostomus monticola USGS.jpg
Juvenile Dajaus monticola
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Mugiliformes
Family: Mugilidae
Genus: Dajaus
Valenciennes, 1836[2]
D. monticola
Binomial name
Dajaus monticola
(Bancroft, 1834)
Agonostomus monticola range.png
  • Mugil monticola Bancroft, 1834
  • Agonostomus monticola (Bancroft, 1834)
  • Mugil irretitus Gosse, 1851
  • Agonostoma nasutum Günther, 1861
  • Agonostoma percoides Günther, 1861
  • Agonostoma microps Günther, 1861
  • Agonostomus microps (Günther, 1861)
  • Dajaus elongatus Kner, 1863
  • Neomugil digueti Vaillant, 1894
  • Agonostomus macracanthus Regan, 1907
  • Agonostomus salvini Regan, 1907
  • Joturus daguae Eigenmann, 1918
  • Agonostoma squamipinne Mohr, 1927
  • Agonostomus hancocki Seale, 1932

Vernacular namesEdit

Spanish names are dajao and trucha de tierra caliente.[3] It is known as tepemechín in Costa Rica.[5][6]


It is considered threatened in Costa Rica. It is found from sea level up to 650m in altitude in the rivers of the Maquenque National Wildlife Refuge.[6] It is common in the Toro Negro State Forest in central Puerto Rico.[7]


  1. ^ NatureServe (2013). "Agonostomus monticola". IUCN Red List of Threatened Species. 2013: e.T192943A2180465. doi:10.2305/IUCN.UK.2013-1.RLTS.T192943A2180465.en.
  2. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Dajaus". Catalog of Fishes. California Academy of Sciences. Retrieved 29 October 2018.
  3. ^ a b Agonostomus monticola (Bancroft in Griffith and Smith, 1834); Taxonomic Serial No.: 170355 ITIS, the Integrated Taxonomic Information System. 2013. Retrieved 9 September 2013.
  4. ^ Agonostomus monticola (Bancroft, 1834); Mountain mullet. Retrieved 9 September 2013.
  5. ^ Bahamón Azuero, Elizabeth; Flores Armilla, Moisés Oswaldo (2016). Análisis del sistema socio-ecológico para el diseño del corredor biológico entre Los Acuíferos Guácimo Pococí y el sector sur del Humedal Ramsar Caribe Noreste, Costa Rica (PDF) (Masters) (in Spanish). Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. p. 50, 54, 55. Retrieved 1 September 2019.
  6. ^ a b Mauricio Salas Varga (2009). Humedales Maquenque - Humedales de Ramsar (FIR) – Anexo #2 Biodiversidad 2009 (PDF) (Report) (in Spanish). Centro Científico Tropical. p. 4. Retrieved 1 September 2019.
  7. ^ Bosques de Puerto Rico: Bosque Estatal de Toro Negro. Archived 2015-08-07 at the Wayback Machine Hojas de Nuestro Ambiente. July 2008. [Publication/Issue: P-030] Puerto Rico Department of Natural and Environmental Resources. Retrieved 9 September 2013.