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Paralithoxus stocki (Nijssen & Isbrücker, 1990)

 

Image contributors to this species:

Raphael Covain (2)

ScotCat Sources:

Etymology = Genus

Other Sources:

Search  Fishbase Catalog of Fishes  Global Biodiversity Information Facility  FishNet2  iNaturalist

Relevant Information:

Description: The genera Paralithoxus has been reserected in a new paper (2018) by Lujan et al. Paralithoxus can be diagnosed from other members of Lithoxini by having at most low hemispherical papillae around the oral disc margin (vs. digitate papillae in Exastilithoxus), 14 (rarely 13) branched caudal-fin rays (vs. 12 in Avalithoxus), five branched anal-fin rays (vs. four in Avalithoxus and Lithoxus), seven to nine interdorsal plates (vs. five in Avalithoxus and Lithoxus), and five rows of plates on the caudal peduncle (vs. three in Avalithoxus and Lithoxus). P. stocki is a small to moderately long (little over 70 mm in SL) species of the subtribe Lithoxina, tribe Pseudacanthicini of the loricariid subfamily Ancistrinae. Maxillary barbels well-developed, often in an oblique, anteriorly directed position. Margin of snout, including area between orbital rim and evertible interopercular odontodes, covered with close-set, small, isolated polygonal scutelets. Anal papilla distinct. Body and head depressed. Lower lip broad, three-quarters-circular, with minute papillae along outer margin. Premaxillary teethfew, about twice size of mandibular teeth, those along symphysis of jaw distinctly thicker than others. Evertible interopercular odontodes well-developed. Aquarium Care: Quite a demanding genera which need pure, oxygen rich water. They need plenty of hiding places and the aquarium to be very strongly filtered. Diet: Insectivores that feed in their natural habitat from insect larvae on rocks. Feed Frozen mosquito larvae, brine shrimp and Daphnia. They will also except tablet foods. Remarks: Still found on some online sources as Lithoxus stocki.

Common Name:

None

Synonyms:

Lithoxus stocki

Family:

Loricariidae

Distribution:

South America: Maroni and Mana River basins in French Guiana. Type locality: Marouini River, downstream of village Epoia, French Guiana.

Size:

6.5cm. (3ins)

Temp:

23-27°c (73-81°f)

p.H.

6.0-7.5.

Reference:

Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628.
Lujan, NK; Armbruster, JW & Lovejoy, NR, 2018 "Multilocus phylogeny, diagnosis and generic revision of the Guiana Shield endemic suckermouth armored catfish tribe Lithoxini (Loricariidae: Hypostominae)" (Zoological Journal of the Linnean Society, Vol. 20).
Nijssen, H. & Isbriicker, I.J.H., 1990 "Lithoxus stocki, a species new to science of ancistrin loricariid catfish from the Maroni River drainage, with a comparison of the primary type specimens of the six species of Lithoxus (syn.: Paralithoxus ) (Pisces, Siluriformes, Loricariidae)" (Bijdragen tol de Dierkunde, 60 (3/4) 327-333).
Seidel, I. 2008. Back to Nature guide to L-catfishes, Ettlingen, Germany 208 p.
www.suedamerikafans.de



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

Click for full imageParalithoxus stocki
Click for full imageParalithoxus stocki
Dorsal view

 

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