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Allan James (1) Raphail Covain (1)

There are two undescrbed Rineloricaria species that occur in Suriname, one species is known from the Corantijn and Nickerie rivers and the second species is known from the Marowijne River (R. Covain). This species can still be found under Hemiloricaria stewarti. Issbrücker (Issbrücker in Issbrücker et al, 2001) declared the synonymity of Rineloricaria and Hemiloricaria as no longer valid, and the latter again as an independent genus. The differences between the two genera are based on the positions of the males bristles and the top caudal filament on adult Hemiloricaria which is absent on Rinelolricaria. Habitat: Lives in forest creeks where the water is clear and fast moving with medium sunny conditions, shallow depth (10-60 cm) and sandy-rocky substrate along with Corydoras guianensis, Moenkhausia oligolepis and Phenacogaster cf. megalostictus. Sexual Diferences: Mature males develop some odontodes on each side of the head as well as some odontodes elongated towards the back of the interorbitals. Reproduction: The Rineloricaria species are usually cave spawners, where the female will place their eggs after the male has cleaned inside. The male will then guard and fan the eggs until hatching. The eggs will hatch in 4-5 days whereas the male can now be removed. More breeding information can be found here in the articles breeding section. Aquarium Care: Habitat in the wild is forest creeks with moderate current, sandy bottom and clear water. Diet: Omnivore. Vegetable food such as cucumber and other various foods such as tablet, flake and frozen. Etymology: The specific name stewarti: In honour of Douglas Stewart (1873-1926), Curator of Mineralogy and Assistant to the Director of the Carnegie Museum.

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Loricaria stewarti, Hemiloricaria stewarti

Loricariidae

South America: Coastal rivers of the Guianas and upper Branco River basin: French Guiana, Guyana and Suriname. Type locality: Chipoo Creek, a tributary of the Ireng [Guyana].

10.0cm. (4ins)

25-28°c (77-83°f)

6.0-7.0.

Ferraris, C.J. Jr., 2003. Loricariidae - Loricariinae (Armored catfishes). p. 330-350. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre EDIPUCRS, Brasil.
Fisch-Muller, S., J.I. Montoya-Burgos, P.-Y. Le Bail and R. Covain, 2012. Diversity of the Ancistrini (Siluriformes: Locariidae) from the Guianas: the Panaque group, a molecular appraisal with description of new species. Cybium 36(1):163-193.
Froese, R. and D. Pauly. Editors. 2018. FishBase. World Wide Web electronic publication. www.fishbase.org, ( 02/2018 ).
Le Bail, P.-Y., P. Keith and P. Planquette, 2000. Atlas des poissons d'eau douce de Guyane. Tome 2, Fascicule II: Siluriformes. Collection Patrimoines Naturels 43(II): 307p. Paris: Publications scientifiques du Muséum national d'Histoire naturelle.
Mol, H.A. Jan, The Freshwater Fishes of Suriname. BRILL, Leiden Boston, 2012. 889 p.