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FACTSHEETS: March 2016 - no. 237

Lophiosilurus nigricaudus (Mees, 1974)


he "Jelly Catfish" is again only a catfish for the more experienced keepers and will do well in the hands of a big cat lover who knows how to look after large predatory catfish.


Lophiosilurus nigricaudus

Lophiosilurus nigricaudus

The Latin name “nigricaudus” means “black tail” and this more or less tells it apart from the similar coloured L. apurensis which is to be found in the Rio Apure in Venezuela very far away from L. nigricaudus from Suriname. There are currently four species in this genera, our catfish of the month L. nigricaudus, L. apurensis, L. albomarginatus and L. fowleri and they are all very much predators in their natural habitats and as such in the aquarium also.

 

Lophiosilurus nigricaudus - the business end

Lophiosilurus nigricaudus - the business end!

 

Remarks: Due to the latest paper by Oscar A. Shibatta et al. (Dec. 2021) there are now five species in this genera with four of them now being being synonymized from Cephalosilurus to Lophiosilurus. The recovered phylogeny of the genus was (L. albomarginatus , L. nigricaudus, L. apurensis, L. fowleri, and L. alexandri). L nigricaudus is found together with Bryconops caudomaculatus, Characidium blennoides, Pimelodella cristata, Leporinus friderici and Astyanax meunieri. Note: 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

Subfamily

Pimelodinae

Distribution

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

Size

50.0cm. (20ins)

Temp.

20-25°C (67-77°F)

p.H.

6.0-7.5.

Characteristics

Lateral line complete with a very broad and depressed head, angular gape. Maxillary teeth laterally with a backward projection; caudal fin long, lanceolate, truncated or rounded, never forked. Depressed dorsal fin usually reaching well beyond half way to the adipose fin, pectoral fin with 6 rays; barbels short, only reaching to the pectoral fins.

Colouration

Dorsum brown with a pattern of black markings, fins generally black with a white margin. Caudal fin with a white margin.

Aquarium Care & Compatibility

Large tank with good filtration will work best in a tank with a capacity of approximately 800 litres upward. Not too fussy with tank parameters but water changes and good husbandry are a must as they are gregarious feeders. Will do best on their own with hiding places if more than one is kept. If kept with other fish they must be high backed and twice as big as your "Jelly cat" as they will quickly become a meal if too small. Other large fish should be mid-water or top species.

Reproduction

Not reported

Sexual Differences

Not known but presumably the female would have a wider girth.

Diet

Worms, shell meat and after habituation also fillet of fish in enormous portions.

Glossary of Terms

Lateral line: A sensory line, along the sides of the body.
Maxillery
: Pertaining to the upper jaw.
Caudal fin
:
The tail.
Dorsal fin: The primary rayed fin(s) on top of the body.
Adiose fin:
Fleshy finlike projection without rays, behind the rayed dorsal fin.
Pectoral fins: The paired fins just behind the head.

Etymology

Lophiosilurus: Greek, lophos = crest + Greek, silouros = cat fish.
nigricaudus: Black tail.

References

ScotCat Article: Ros, Wolfgang; Cephalosilurus nigricaudus and its similarity to C. apurensis
Mol, H.A. Jan, The Freshwater Fishes of Suriname. BRILL, Leiden Boston, 2012. 889 p.

Ros, Wolfgang (2008): Cephalosilurus nigricaudus und seine Abgrenzung zu Cephalosilurus apurensis.
Froese, R. and D. Pauly
. Editors. 2009. FishBase. World Wide Web electronic publication. www.fishbase.org, version (05/2009).

Photo Credits

© Wolfgang Ros @ Catfish and more

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ScotCat Sources

Article Article

Etymology = Genus Etymology-genera

Etymology = Species Etymology-specific name

 

Online Sources

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