Hoplias lacerdae

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Hoplias lacerdae
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Erythrinidae
Genus: Hoplias
Species:
H. lacerdae
Binomial name
Hoplias lacerdae

Hoplias lacerdae is a predatory freshwater characin fish from South America. They are commonly known are trairão in Brazilian Portuguese.

The fish is named in honor of physician-anthropologist Jean Baptiste de Lacerda (1845-1915), the director of the National Museum of Rio Janeiro, because of his interest in the scientific explorations of the region.[1]

Distribution[edit]

South America: Rio Ribeira de Iguape basin in São Paulo and Paraná states of Brazil.[2]

Biology[edit]

Hoplias lacerdae is an ambush predator of other fish.

Description[edit]

They can grow up to 75 cm in length and the maximum published weight is 4.3 kg.[2]

Taxonomy[edit]

Molecular studies show that this species is not closely related to Hoplias malabaricus.[3]

References[edit]

  1. ^ Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order CHARACIFORMES: Families TARUMANIIDAE, ERYTHRINIDAE, PARODONTIDAE, CYNODONTIDAE, SERRASALMIDAE, HEMIODONTIDAE, ANOSTOMIDAE and CHILODONTIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 3 November 2021.
  2. ^ a b Hoplias lacerdae : fisheries, aquaculture
  3. ^ Morelli, S.; Vicari, M. R.; Bertollo, L. A. (Dec 2007). "Evolutionary cytogenetics of the Hoplias lacerdae, Miranda Ribeiro, 1908 group. A particular pathway concerning the other Erythrinidae fish". Braz J Biol. 67 (4 Suppl): 897–903. doi:10.1590/s1519-69842007000500013. PMID 18278357.
  • Osvaldo T Oyakawa, George M T Mattox (2009), Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species Neotropical Ichthyology,Vol 7, pp 117–140