| 词条 | Porotergus |
| 释义 |
| name = Porotergus | image = | image_caption = | regnum = Animalia | phylum = Chordata | classis = Actinopterygii | ordo = Gymnotiformes | familia = Apteronotidae | genus = Porotergus | genus_authority = M. M. Ellis in C. H. Eigenmann, 1912 }}Porotergus is a genus of ghost knifefishes found in the Amazon and Essequibo basins in tropical South America. They are found over sandy bottoms in shallow (P. gymnotus) or deep rivers (two remaining).[1] They feed on small aquatic insect larvae. They have a stubby snout and are fairly small knifefish, with the largest species reaching up to {{convert|27|cm|in|abbr=on}} in total length.[1] SpeciesThere are currently three described species in this genus:[2]
References1. ^1 {{cite journal| author1=David de Santana, C. | author2=W.G.R. Crampton | year=2010 | title=A Review of the South American Electric Fish Genus Porotergus (Gymnotiformes: Apteronotidae) with the Description of a New Species | journal=Copeia | volume=2010 | issue=1 | pages=165-175 }} {{Taxonbar|from=Q5301956}}{{Gymnotiformes-stub}}2. ^{{FishBase genus | genus = Porotergus| month = October | year = 2017}} 4 : Apteronotidae|Fish of South America|Freshwater fish genera|Taxa named by Max Mapes Ellis |
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