Acestrorhynchus falcatus

Acestrorhynchus falcatus is a species of fish in the family Acestrorhynchidae.[2] It was described by Marcus Elieser Bloch in 1794, originally under the genus Salmo.[1] It inhabits the Orinoco and Amazon Rivers in the regions of Suriname, Guyana, and French Guiana. It reaches a maximum total length of 30 cm (12 in), and a maximum weight of 255 g (9.0 oz).[2]

Acestrorhynchus falcatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Acestrorhynchidae
Genus: Acestrorhynchus
Species:
A. falcatus
Binomial name
Acestrorhynchus falcatus
(Bloch, 1794)
Synonyms[1]
  • Salmo pulverulentus Linnaeus, 1758
  • Salmo falcatus Bloch, 1794
  • Xiphorhamphus ferox Günther, 1863

Two shell valves that are not equal adhere to one another along the edges to form the ellipsoidal spore body. Each valve has a lengthy tail that is 20.5m in length. On its entire length, a uniform sheath encircled the tail. Three to four spirals of the arctic thread are contained in the 1.2 m polar capsules. A tightly adhering, uniform structural coating covered every surface of the immature and mature spores; it was predominantly thicker at the tails. Piscinoodinium pillulare was the major parasite for A. falcatus.

Acestrorhynchus falcatus feeds on finfish.[3] It is of minor interest to commercial fisheries.[2]

References

  1. Synonyms of Acestrorhynchus falcatus at www.fishbase.org.
  2. Froese, Rainer; Pauly, Daniel (eds.) (2019). "Acestrorhynchus falcatus" in FishBase. July 2019 version.
  3. Food items reported for Acestrorhynchus falcatus at www.fishbase.org.

[1]


  1. Hoshino, Maria Danielle Figueiredo Guimarães; Neves, Lígia Rigôr; Tavares-Dias, Marcos (2016). "Parasite communities of the predatory fish, Acestrorhynchus falcatus and Acestrorhynchus falcirostris, living in sympatry in Brazilian Amazon". Revista Brasileira de Parasitologia Veterinária. 25 (2): 207–216. doi:10.1590/S1984-29612016038. PMID 27334822.
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