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| Format: | Artículo científico |
| Language: | en |
| Published: |
Universidad de Costa Rica
2008
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| Online Access: | https://www.redalyc.org/articulo.oa?id=44918834029 |
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Table of Contents:
- Astyanax cocibolca, a new characid (Pisces: Ostariophysi) from Lake Nicaragua, Central America William A. Bussing Biología Astyanax Lake Nicaragua plankton feeder new characid fish Astyanax cocibolca, a small filter-feeding species is a new characid species endemic to Lake Nicaragua. It is distinguished from the syntopic Astyanax aeneus by its high gill raker count, slender body, upturned snout, long maxillary bones, conical outer premaxillary teeth, lower number of scales above lateral line, more intense black lateral band, smaller size, and trophic niche partitioning. At present the new species utilizes the open-water habitat at least as a nursery where young can feed on the rich plankton population. Adults feed on copepoda, cladocera, fruits, seeds and algae. The bulk of the adult population presumably resides inshore. Rev. Biol. Trop. 56 (3): 1361-1370. Epub 2008 September 30. 2008 artículo científico 0034-7744 https://www.redalyc.org/articulo.oa?id=44918834029 en http://www.redalyc.org/revista.oa?id=449 Revista de Biología Tropical application/pdf Universidad de Costa Rica Revista de Biología Tropical (Costa Rica) Num.3 Vol.56