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Rev. biol. mar. oceanogr. 46(2): 275-280

Research Note


Pseudopentaceros richardsoni  (Osteichthyes: Pentacerotidae) in the southeastern Pacific Ocean: morphometry, parasites

and comments about the family in the area

Germán Pequeño1, Verónica Valdebenito2 and Gabriela Muñoz3

1Instituto de Zoología ‘Ernst F. Kilian’, Universidad Austral de Chile, Casilla 567, Valdivia, Chile

2Instituto de Fomento Pesquero, Av. Colón 3656, Talcahuano, Chile

3Facultad de Ciencias del Mar y de Recursos Naturales, Universidad de Valparaíso, Casilla 5080, Reñaca, Viña del Mar, Chile




This study communicates a new record of six specimens of Pseudopentaceros richardsoni, collected from 500 Nm off Coronel, Chile. In addition, this study provides: the morphometry of this species, a general view of the geographical distribution of the family Pentacerotidae for the southeastern Pacific Ocean, and information on the metazoan parasites found in the specimens collected. The fish body length ranged from 275-390 mm. Three parasite species were determined, Rhadynorhynchus trachuri, Lampritrema sp. and Hysterothylacium sp. This is the third record of P. richardsoni for Chilean waters and the first record of its parasites for the southeastern Pacific Ocean.


Key words: Ichthyogeography, armourhead fish, morphometry



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