scholarly journals Salminus franciscanus, a new species from the rio São Francisco basin, Brazil (Ostariophysi: Characiformes: Characidae)

2007 ◽  
Vol 5 (3) ◽  
pp. 237-244 ◽  
Author(s):  
Flávio C. T. Lima ◽  
Heraldo A. Britski
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
A New Species ◽  
Pelvic Fin

Salminus franciscanus, the large-sized dourado from the rio São Francisco basin, Brazil, is described. The new species was actually known ichthyologically since at least Valenciennes (in Cuvier & Valenciennes, 1850) but it was never properly identified. Salminus franciscanus can be diagnosed from its congeners by the combination of the presence of an enlarged second tooth in the outer series of the dentary considerably larger than the remaining teeth, the absence of a dark post-orbital stripe, scale counts (68-82 lateral line scales, 11-14 horizontal series of scales between dorsal-fin origin and lateral line, and 6-8 horizontal series of scales between the lateral line and the pelvic-fin insertion), and a developed extension of the middle rays of the caudal fin. The historical taxonomy of the species is discussed.

Polydactylus luparensis, a new species of threadfin (Perciformes: Polynemidae) from the Batang Lupar River, Sarawak, Borneo, Malaysia

Zootaxa ◽  
2010 ◽  
Vol 2405 (1) ◽  
pp. 63
Author(s):  
PEK KHIOK ANNIE LIM ◽  
HIROYUKI MOTOMURA ◽  
ALBERT CHUAN GAMBANG
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Lower Limb ◽  
Posterior Margin ◽  
Gill Rakers ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
Basal Half ◽  
A New Species ◽  
Pelvic Fin

A new species of large-sized brackishwater threadfin, Polydactylus luparensis, is described from the Batang Lupar River in Sarawak, Malaysia, Borneo on the basis of 5 specimens (610–715 mm standard length). The new species can be distinguished from all other Polydactylus by having 8 dorsal-fin spines, first spine tiny, second spine very strong (its width more than 5 times the width of remaining spines); 13 second dorsal-fin soft rays; 11 anal-fin soft rays; 12 pectoralfin rays, its length 22–24% (mean 23%) of SL, posterior tip not reaching a vertical through posterior tip of depressed pelvic fin; 6 pectoral filaments, fourth or fifth filament longest, its length 77–85% (mean 81%) of SL, posterior tip extending slightly beyond caudal-fin base; pored lateral-lined scales 67–75 (mean 71); lateral line unbranched, extending onto upper end of lower caudal-fin lobe; 6 scale rows above lateral line, 8 below; 14 gill rakers on upper limb, 18 on lower limb, 32 in total; occipital profile concave; posterior margin of maxilla extending considerably beyond a vertical through posterior margin of adipose eyelid; depth of posterior margin of maxilla 4–5% (mean 5%) of SL, greater than orbit diameter; well-developed swimbladder present; basal half of third to sixth pectoral filament white, becoming black distally. Polydactylus luparensis is currently known only from the mouth of the Batang Lupar River.

scholarly journals Knodus shinahota (Characiformes: Characidae) a new species from the río Shinahota, río Chapare basin (Mamoré system), Bolivia

2007 ◽  
Vol 5 (1) ◽  
pp. 31-36 ◽  
Author(s):  
Katiane M. Ferreira ◽  
Fernando M. Carvajal
Keyword(s):  
New Species ◽  
Lateral Line ◽  
The Other ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
Fin Rays ◽  
A New Species ◽  
Pelvic Fin

Knodus shinahota, new species, is described from río Shinahota, a tributary of the upper rio Mamoré basin, Província de Tiraque, Cochabamba State, Bolivia. The new species can be distinguished from all congeners except K. chapadae and K. geryi by having six rows of scales between the lateral line and the dorsal-fin origin (vs 4 or 5 rows of scales in the other species). Knodus shinahota differs from K. chapadae by possessing more rows of scales between the lateral line and the pelvic-fin origin (5 vs 3½ or 4, respectively) and more lateral line scales (38-41 vs 36-38, respectively). It differs from K. geryi by possessing more rows of scales between the lateral-line and the pelvic-fin origin (5 vs 4, respectively); fewer branched anal-fin rays (17-20 vs 15-17, respectively), and by lacking the two symmetric, large, dark, blotches on the basal portions of the caudal-fin lobes that characterize K. geryi.

scholarly journals A new species of Microglanis(Siluriformes: Pseudopimelodidae) from the upper rio Tocantins basin, Goiás State, Central Brazil

2014 ◽  
Vol 12 (1) ◽  
pp. 81-87 ◽  
Author(s):  
Oscar Akio Shibatta
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Posterior Margin ◽  
Color Pattern ◽  
Occipital Region ◽  
Caudal Fin ◽  
Central Brazil ◽  
Unique Color ◽  
A New Species ◽  
Pelvic Fin

A new species of Microglanis is described from the upper rio Tocantins basin, Barro Alto, Goiás State, Brazil. This species is distinguished from the others by presenting a unique color pattern, consisting of round spots in the flank between the larger dark brown blotches. Moreover, it can be distinguished by the combination of the following features: caudal fin emarginate, the upper lobe slightly larger than the lower, lateral line relatively long, reaching vertical through posterior margin of the pelvic fin, and light stripe on supra-occipital region absent or very narrow and with irregular shape.

scholarly journals Odontanthias randalli n. sp., a new anthiine fish (Serranidae: Anthiinae) from Indonesia WILLIAM T. WHITE (Australia)

Zootaxa ◽  
2011 ◽  
Vol 3015 (1) ◽  
pp. 21 ◽  
Author(s):  
WILLIAM T. WHITE
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Dorsal Spine ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
Bright Yellow ◽  
Pale Pink ◽  
Fin Ray ◽  
A New Species

Odontanthias randalli, a new species of anthiine serranid fish from southeastern Indonesia, is described, bringing the number of known species in the genus to 14. The new species is clearly distinguished from other members of the genus by the following combination of characters: dorsal-fin soft rays 16–17, lateral-line scales 37 to 39, 3rd dorsal spine longest, 3rd dorsal-fin soft ray the only filamentous dorsal-fin ray, caudal fin lunate with extremely long filamentous lobes, depth of body 2.2 to 2. 5 in SL, vomerine-tooth patch arrowhead shaped, and body pinkish with bright yellow spots on upper half and four pale pink blotches below dorsal-fin base. The new species is compared with other members of the genus.

Garra findolabium, a new species of cyprinid fish (Teleostei: Cypriniformes) from the Red River drainage in Yunnan, China

Zootaxa ◽  
2008 ◽  
Vol 1743 (1) ◽  
pp. 62
Author(s):  
FENG-LIAN LI ◽  
WEI ZHOU ◽  
QIANG FU
Keyword(s):  
New Species ◽  
Southeast Asia ◽  
Lateral Line ◽  
Cyprinid Fish ◽  
Red River ◽  
Posterior Edge ◽  
Caudal Fin ◽  
Dark Patch ◽  
A New Species ◽  
Pelvic Fin

Garra findolabium, new species, is described from the Red River (Yuan-Jiang in Chinese, Song Hong in Vietnamese) in Yunnan, China. It can be distinguished from all other congeners in Southeast Asia and China by the following combination of characters: posterior edge of the oral sucking disc with a median fissure and divided it into two lamellas; caudal fin with an anomalistic dark patch, extending to 50% of length of caudal fin; no barbels; absence of proboscis in front of nostrils; 37–38 lateral-line scales; 16 circumpeduncular scales; distance of anus to anal-fin origin about 33.3–38.7% of distance of pelvic-fin origin to anal-fin origin.

Hyphessobrycon oritoensis (Characiformes: Characidae), a new species from the Putumayo River drainage, Colombian Amazon

Zootaxa ◽  
2008 ◽  
Vol 1813 (1) ◽  
pp. 42 ◽  
Author(s):  
CARLOS A. GARCÍA-ALZATE ◽  
CÉSAR ROMÁN-VALENCIA ◽  
DONALD C. TAPHORN
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Posterior Border ◽  
Caudal Fin ◽  
River Drainage ◽  
Lateral Band ◽  
Dorsal Fin ◽  
Fin Rays ◽  
Colombian Amazon ◽  
A New Species

Hyphessobrycon oritoensis (Characiformes: Characidae) is described from the Putumayo River drainage of the Colombian Amazon. The new species belongs to the H. heterorhabdus group and is distinguished from all other known species by the following combination of characters: iii,8 dorsal–fin rays, iv, 26–27 anal–fin rays, 19 teeth on dentary, 35 scales in longitudinal series, 10–11 perforated scales in lateral line, 7 scales between lateral line and dorsal–fin origin, 14 predorsal scales and a dark lateral band that extends from the posterior border of the humeral spot to the tips of the middle caudal fin rays.

scholarly journals A new species of Boehlkea (Characiformes: Characidae: Stevardiinae) from the rio Japurá, Amazon basin, Brazil

2017 ◽  
Vol 15 (3) ◽  
Author(s):  
Isabel M. Soares ◽  
Vinicius A. Bertaco ◽  
Priscila Madoka M. Ito ◽  
Jansen Zuanon
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Amazon Basin ◽  
Color Pattern ◽  
Distal Portion ◽  
Lower Number ◽  
Dorsal Fin ◽  
Basal Half ◽  
A New Species ◽  
Pelvic Fin

ABSTRACT A new species of Boehlkea is described from rio Japurá, Amazon basin. The new species differs from B. fredcochui by the presence of a vertically elongate humeral spot (vs. absence), complete lateral line (vs. incomplete), four rows of scales below lateral line (vs. three), and lower number of branched anal-fin rays (17-21 vs. 22-25), and from B. orcesi by the higher number of maxillary teeth (13-14 vs. 5-12), greater head length (27.9-29.9% vs. 24.3-27.5% of SL), and by the color pattern (basal half of dorsal-fin, distal portion of pelvic-fin, lower caudal-fin lobe and anal-fin with black chromatophores vs. absence of black chromatophores in the fins).

A new species of Creagrutus Günther (Characidae: Stevardiinae) from the Amazonian Piedmont of Colombia

Zootaxa ◽  
2020 ◽  
Vol 4755 (2) ◽  
pp. 365-374
Author(s):  
JUAN G. ALBORNOZ-GARZÓN ◽  
ASTRID ACOSTA-SANTOS ◽  
JUAN D. BOGOTÁ-GREGORY ◽  
EDWIN AGUDELO-CÓRDOBA
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Unique Combination ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
Fin Rays ◽  
Phylogenetic Framework ◽  
A New Species ◽  
Piedmont Region

A new species of Creagrutus is described from the Amazonian Piedmont, Colombia. The new species can be distinguished from congeners by presenting the following unique combination of characters: a dark mid-lateral stripe starting at anteriormost scale of lateral line, a vertically elongated humeral blotch, absence of dark blotches on dorsal fin and at base of middle caudal-fin rays, a triangular dentigerous surface of the premaxilla, 5–6 dentary teeth, and 11–12 predorsal scales. Comparisons with congeners distributed in the piedmont region of Río Caquetá basin are presented and its relationships among species of Creagrutus is inferred from the available phylogenetic framework. 

scholarly journals A new species of Tyttocharax (Characiformes: Characidae: Stevardiinae) from the Güejar river, Orinoco river Basin, Colombia

2012 ◽  
Vol 10 (3) ◽  
pp. 519-525 ◽  
Author(s):  
César Román-Valencia ◽  
Carlos A. García-Alzate ◽  
Raquel I Ruiz-C ◽  
C Donald ◽  
B Taphorn
Keyword(s):  
New Species ◽  
Lateral Line ◽  
River System ◽  
First Record ◽  
Dorsal Fin ◽  
Fin Rays ◽  
Adipose Fin ◽  
A New Species ◽  
Pectoral Fin Rays ◽  
Pelvic Fin

A new Tyttocharax species from the Güejar River system, near the Macarena Mountains in Colombia is described. This is the first record for the genus from the Orinoco basin. The combination of the following characters distinguish Tyttocharax metae from its congeners: presence of bony hooks on the pectoral and caudal-fin rays; bony hooks on the anal-fin rays larger than those on the pelvic-fin rays; pectoral-fin rays i,5-6,i; presence of three unbranched dorsal-fin rays; absence of an adipose fin; four scales rows between the anal-fin origin and the lateral line; and four scale rows between the pelvic-fin and the lateral line. Ecological characteristics of the habitat of the new species are also presented.

Schistura madhavai, a new species of hill-stream loach from Sri Lanka, with redescription of S. notostigma (Teleostei: Nemacheilidae)

Zootaxa ◽  
2017 ◽  
Vol 4311 (1) ◽  
pp. 96 ◽  
Author(s):  
HIRANYA SUDASINGHE
Keyword(s):  
New Species ◽  
Sri Lanka ◽  
Lateral Line ◽  
The Body ◽  
Pairwise Distance ◽  
Caudal Fin ◽  
Dorsal Fin ◽  
Fin Ray ◽  
Line Ending ◽  
Pelvic Fin

Schistura madhavai, new species, is described from Suriyakanda, Sri Lanka. It is distinguished from all other species of Schistura in the peninsula of India and Sri Lanka by the combination of the following characters: 8–9 wide, brown postdorsal bars separated by narrow, white interspaces; width of interspaces ¼–⅓ times width of bars; black bar at caudal-fin base wider than interspaces on the body; incomplete lateral line, ending beneath dorsal-fin base; absence of an axillary pelvic lobe; adpressed pelvic fin just reaching anus; origin of the pelvic fin on a vertical through the last unbranched dorsal-fin ray. Schistura notostigma, the only other Sri Lankan species of Schistura, is redescribed. It can be distinguished from all other species of Schistura in the peninsula of India and Sri Lanka by the combination of the following characters: 6–7 wide, brown postdorsal bars; width of interspaces ½–1 times width of bars; complete, black bar at caudal-fin base narrower than width of interspaces between bars on body; emarginate caudal fin; incomplete lateral line ending beneath dorsal-fin base; adpressed pelvic fin surpassing anus; and origin of pelvic fin beneath first branched dorsal-fin ray. Schistura madhavai is separated from S. notostigma by an uncorrected pairwise distance of 3.0–3.8% for the 16S rRNA gene fragment. 

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