Payara
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| at Toba Aquarium, Japan | |
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The payara (Hydrolycus scomberoides) is a species of dogtooth tetra. This predatory fish is found in the Amazon Basin in tropical South America.[4][5] It was the first of four species to be described in the genus Hydrolycus.[6]
Description
The most noticeable feature of H. scomberoides is the two long fangs protruding from its lower jaw. These are used to impale its prey, mostly smaller fish.[5] It typically reaches a standard length of about Template:Cvt,[5][6][7] but can reach up to Template:Cvt.[8] Reports exist of far larger individuals, up to Template:Cvt in total length[4] and Template:Cvt in weight, based on records by IGFA,[9] but this likely involves confusion with the related H. armatus.[5][6]
H. scomberoides is overall silvery with a dark spot behind the opercle and another at the lower base of the pectoral fin. In adults, the tail is dusky on the basal half, turning paler (more transparent) towards the tip.[6][10]
In the aquarium
The payara, which is also sold as the sabertooth barracuda, vampire fish, vampire tetra, or sabertusk barracuda, is a popular species for large, aggressive aquaria. It requires a large aquarium and can only be mixed with relatively large species, as smaller fish will be seen as potential prey.[5]
References
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- ^ a b Script error: No such module "Cite taxon".
- ^ a b c d e Page Module:Citation/CS1/styles.css has no content."Hydrolycus scomberoides". SeriouslyFish. Retrieved 31 October 2015.
- ^ a b c d Page Module:Citation/CS1/styles.css has no content.Toledo-Piza, M.; N.A. Menezes; G.M. Santos (1999). "Revision of the Neotropical fish genus Hydrolycus (Ostariophysi: Characiformes: Cynodontidae) with the description of two new species". Ichthyol. Explor. Freshwaters. 10 (3): 255–280.
- ^ Page Module:Citation/CS1/styles.css has no content."Payara—Hydrolycus scomberoides". Acute Angling. Retrieved 19 October 2017.
- ^ Page Module:Citation/CS1/styles.css has no content.Brambilla; Garcia-Ayala; Travassos; Carvalho; David (2015). "Length-weight relationships of the main commercial fish species of Tucuruí reservoir (Tocantins/Araguaia basin, Brazil)". Boletim do Instituto de Pesca. 41 (3): 665–670.
- ^ Page Module:Citation/CS1/styles.css has no content."Payara". The International Game Fish Association. Retrieved 24 June 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."Subfamily Cynodontinae". OPEFE. Archived from the original on 20 August 2016. Retrieved 19 October 2017.
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