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Lophiosilurus nigricaudus (Mees, 1974)

 

Image contributors to this species:

Wolfgang Ros (4)

ScotCat Sources:

Factsheet  Article  Etymology = Genus  Etymology = Species  

Other Sources:

Search  Fishbase  Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

As with most of this family this species is very much a predator. Four species have been described to the genus Cephalosilurus resident in South America. Three of them have been introduced for keeping in the aquarium, C. apurensis, C. nigricaudus and C. fowleri. From their form they are only little differences from each other. Their trademark is the big head with the little eyes and short barbles but with an almost head wide mouth. They are sluggish animals which hardly move and only lie waiting for prey. Habitat: Occurs in pools and in the backwater of rapids and fast streams with sand, rocks, and decaying wood on the bottom. Found together with Bryconops caudomaculatus, Characidium blennoides, Pimelodella cristata, Leporinus friderici and Astyanax meunieri. Update Dec. 2021: (Shibatta, Oscar A. et al, Abstract) Lophiosilurus is a monotypic genus represented by L. alexandri, a species endemic to the São Francisco river basin, Brazil. In previous phylogenetic analyses, the genus has been recovered as the sister group of Cephalosilurus. However, few species of Cephalosilurus or few characters were included in those studies. Thus, the current study aims to test the monophyletic hypothesis of the genera Lophiosilurus and Cephalosilurus with a more comprehensive phylogenetic analysis, including all Cephalosilurus species and a representative number of characters. Phylogenetic analyses of 18 terminal taxa (15 ingroups and three outgroups) were conducted based on a combined 75 character matrix, including 70 discrete morphological characters concerning osteology and neuroanatomy, four continuous characters, and the geometric morphometry of the head. The monophyly of the family Pseudopimelodidae was highly supported, and Cephalosilurus is synonymized with Lophiosilurus. The recovered phylogeny of the genus was (L. albomarginatus , L. nigricaudus, L. apurensis, L. fowleri, and L. alexandri). Remarks: Lophiosilurus nigricaudus is still found on some online searches as Cephalosilurus nigricaudus.

Common Name:

Jelly Catfish

Synonyms:

Pseudopimelodus nigricauda, Pseudopimelodus nigricaudus, Cephalosilurus nigricaudus.

Family:

Pseudopimelodidae

Distribution:

South America: Upper Corantijn (Sipaliwini), Suriname and Marowijne rivers, Suriname. Type Locality: Sipaliwini River, Upper Corantijn River, Suriname

Size:

35.0cm. (14ins)

Temp:

20-25°C (67-77°F)

p.H.

6.0-7.5.

Reference:

Ros, Wolfgang (2008): Cephalosilurus nigricaudus und seine Abgrenzung zu Cephalosilurus apurensis, "Aquaristik Fachmaganzin & Aquarium heute"
Froese, R. and D. Pauly.
Editors. 2009. FishBase. World Wide Web electronic publication. www.fishbase.org, version (05/2009).
Oscar A. Shibatta, Lucas R. Jarduli, Vitor P. Abrahão & Lenice Souza-Shibatta. (2021). Phylogeny of the Neotropical Pacman catfish genus Lophiosilurus (Siluriformes: Pseudopimelodidae). Neotrop. ichthyol., 19 (4).



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Family: Pseudopimelodidae  Back to Ident-A-Cat  Click on Thumbnails

Click for full image Lophiosilurus nigricaudus
Young Specimen
Click for full imageLophiosilurus nigricaudus
Sub-Adult
Click for full imageLophiosilurus nigricaudus
Sub-Adult
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Adult

 

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