Guyanancistrus

Isbrücker, 2001
Type species: Guyanancistrus brevispinis
 
Etymology
from Guyana + Ancistrus
Classification
 
Family
Loricariidae
 
Subfamily
Hypostominae
 
Tribe
Ancistrini
 
Group
Ancistrus
Synonyms
Groups
Guyanancistrus brevispinis
Length (total)
8 - 21 cm
Body height
very flat
Coloring
brown, gray, black, partly with light spots, partly with yellow fin seams on the fins
Fins
Adipose
present
Anale
5 soft rays
Caudale
14 soft rays
Dorsale
7 soft rays
flat
Pectorale
6 soft rays
Ventrale
5 soft rays
 
Guyanancistrus - overview of fins
Mouth
relatively large, very small maxillary barbels
Jaw
many small teeth
 
Guyanancistrus - Overview of the natural diet
Sex difference
head and body shape
Distribution
Brazil (13), French Guiana (6), Guyana (2), Suriname (4), Venezuela (2)
Map to Guyanancistrus
 
Guyanancistrus - overview of habitats
Similar Genus
Cryptancistrus
Dekeyseria
Lasiancistrus
Neblinichthys
Pseudancistrus
Pseudolithoxus
Zonancistrus
 
Guyanancistrus - on last evaluated german stock lists
Additional literatur
  • I. Seidel / H.-G. Evers "Welsatlas 2" S.300 - 304
Internet sources

Species

Species
Country
Origin
Length
(cm)
AQ
(cm)
T.
(°C)
Bree
ding
Guyanancistrus brevispinis bifax
Fisch-Muller, Mol & Covain, 2018
 
French Guiana
Marowijne River = Maroni River-, Mana-River-, Sinnamary-River-Einzug
(Saint-Laurent-du-Maroni, Cayenne)
Guyanancistrus brevispinis bifax. MNHN 2017–0448, holotype, 102.8 mm SL; French Guiana: Crique Petit Laussat, right tributary of Mana River.
15
100
23 - 27
unknown
Guyanancistrus brevispinis brevispinis
Heitmans, Nijssen, Isbrücker, 1983
 
Brazil, Guiana, Suriname
Corantijn River-Einzug, Tapanahony River-Einzug, Maroin River = Marowijne River-Einzug
(Sipaliwini, Marowijne, Nickerie, East Berbice-Corentyne)
Heitmans, W. & Isbrücker, I.J.H., 1983 "The mailed catfish genus Lasiancistrus Regan, 1904, from French Guiana and Surinam, with descriptions of two new species (Pisces, Siluriformes, Loricariidae)"
Fisch-Muller, S.; Mol, J.H.A. & Covain, R., 2018 "An integrative framework to reevaluate the Neotropical catfish genus Guyanancistrus (Siluriformes: Loricariidae) with particular emphasis on the Guyanancistrus brevispinis complex"
Bornstein, S.; Lucanus, O. & López-Fernández, 2022 "Fish Diversity of the Upper Tapanahony River, Suriname"
14
100
23 - 27
unknown
Guyanancistrus brevispinis orientalis (L 41 / LDA 43)
Fisch-Muller, Mol & Covain, 2018
 
French Guiana
Comté-, Orapu-, Mahury-, Approuague-, Oyapock-Einzug
(Cayenne)
Guyanancistrus brevispinis orientalis (L 41 / LDA 43)
20
120
23 - 27
unknown
Guyanancistrus brownsbergensis
Mol, Fisch-Muller & Covain, 2018
 
Suriname
Brownsberg Nature Park, Brownsberg Mountains, Kumbu Creek oberhalb Kumbu Falls im Saramacca River-Einzug
(Brokopondo)
Guyanancistrus brownsbergensis. MHNG 2745.065 (JM14 01), holotype; Suriname: 63.8 mm SL; Suriname: Brokopondo: Kumbu Creek, Saramacca River Basin.
14
100
22 - 24
unknown
Guyanancistrus longispinis
Heitmans, Nijssen & Isbrücker, 1983
 
Brazil / French Guiana
rio Oyapock = Oiapoque bei Camoni
(Cayenne, Amapá)
Guyanancistrus longispinis
14
100
24 - 28
unknown
Guyanancistrus cf. longispinis "Amapa"

 
Brazil, French Guiana
Crique Armontabo
(Cayenne)
Guyanancistrus cf. longispinis "Amapa"
15
100
27 - 28
unknown
Guyanancistrus megastictus
Fisch-Muller, Mol & Covain, 2018
 
French Guiana
Crique Alama
(Saint-Laurent-du-Maroni)
Guyanancistrus megastictus. MNHN 2002–3508, holotype, 62.7 mm SL; French Guiana: Crique Alama.
14
100
 
unknown
Guyanancistrus nassauensis
Mol, Fisch-Muller & Covain, 2018
 
Suriname
Surinamese Nassau Mountains, Paramaka Creek, Marowijne River = Maroni River-Einzug
(Sipaliwini)
Guyanancistrus nassauensis. MHNG 2679.100, holotype, 42.0 mm SL; Suriname: Sipaliwini: Paramaka Creek, Nassau Mountains.
14
100
22 - 24
unknown
Guyanancistrus niger (L 39)
Norman, 1926
 
Brazil, French Guiana
Yalopi River, Oyapock River = rio Oiapoque-Einzug, , Rio Pantanari
(Cayenne, Amapá)
Guyanancistrus niger (L 39)
21
120
24 - 28
unknown
Guyanancistrus sp. "Rio Agua Fria"

 
Brazil
Rio Aqua Fria
(Amapá)
15
100
23 - 27
unknown
Guyanancistrus sp. "Rio Maicuru"

 
Brazil
Rio Maicuru
(Pará (BRA))
15
100
26 - 29
unknown
Guyanancistrus sp. "L 56"

 
Brazil
Rio Araguari bei Ferreira Gomes
(Amapá)
Stawikowski, Rainer, 1990 "Harnischwelse aus dem Rio Araguari"
PCF
15
100
25 - 29
unknown
Guyanancistrus sp. "L 221"

 
Brazil
Rio Paru
(Pará (BRA))
Stawikowski, Rainer, 1996 "Endlich wieder L-Nummern"
PCF
15
100
25 - 29
unknown
Guyanancistrus sp. "L 223"

 
Brazil
Rio Paru
(Pará (BRA))
Stawikowski, Rainer, 1996 "Endlich wieder L-Nummern"
PCF
15
100
25 - 29
unknown
Guyanancistrus sp. "L 317"

 
Brazil
Rio Jari
(Pará, Amapá)
Werner, André, 2002 "Harnischwelse aus dem Rio Jari"
PCF
15
100
25 - 29
unknown
Guyanancistrus sp. "L 490"

 
Brazil
Rio Jatapu
(Amazonas, Roraima)
10
60
26 - 30
unknown
Guyanancistrus tenuis
Fisch-Muller, Mol & Covain, 2018
 
Brazil
Waldbach am rio Mapaoni, Massif du Mitakara
( Amapá)
Guyanancistrus tenuis. MNHN 2002–3537, paratype, 57.4 mm SL.
14
100
 
unknown
Guyanancistrus teretirostris
Fisch-Muller, Mol & Covain, 2018
 
Brazil, Suriname
Rio Parú de Oeste
(Pará (BRA))
Guyanancistrus teretirostris. MZUSP 117149, holotype, 97.6 mm SL; Brazil: Sipaliwini/Parú Savannah in Trio Amerindian territory at the Suriname-Brazil border, tributary of Parú de Oeste River.
14
100
 
unknown
18  entries found.
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Many thanks to
for the pictures
Fisch-Muller, Mol & Covain (CC BY 4.0)
1, 9, 10
Bubu Schmidt
2
Wan Tong You, K. (CC BY 4.0)
3
Guyane Wild Fish (fb)
4, 8
Gregory Quartarollo (Guyane Wild Fish Association)
5
Frédéric Melki (CC BY 4.0)
6
Armbruster, J.W. (CC BY 4.0)
7
Please help with your pictures and information to complete the database: database(at)welsfans.de
18