Route de la Baroche 12

La Chaux-de-Fonds, Switzerland

Route de la Baroche 12

La Chaux-de-Fonds, Switzerland

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Kottelat M.,Route de la Baroche 12 | Kottelat M.,National University of Singapore
Zootaxa | Year: 2013

The publication dates of the 36 livraisons of Bleeker's Atlas ichthyologique des Indes orientales néêrlandaises (1862- 1878) are here compiled from reports of the books received by the Royal Academy of Sciences in Amsterdam that were published as supplements to the Verslagen en Mededeelingen der Koninklijke Akademie van Wetenschappen, Afdeeling Natuurkunde. While the dates of livraisons 1-18 were already known with some accuracy, only the publication year was known for livraisons 19-36. The dates are now narrowed to within a month. This source also shows that Poissons de Mad-agascar was published in December 1874 at the latest. Copyright © 2013 Magnolia Press.


Acanthocobitis pictilis, new species, is described from the Ataran drainage in Myanmar and the Mae Khlong drainage in Thailand. It had earlier been misidentified as A. rubidipinnis. It is distinguished by, among other characters, its colour pattern, especially the dark brown triangular saddles in the upper half of the body, strongly slanted anteriorly and becoming almost vertical posteriorly, becoming paler in the middle, and forming pairs of narrow saddles in large individuals; lateral line complete; 12 1/2 or 13 1/2 branched dorsal-fin rays. Acanthocobitis mandalayensis is a valid species, removed from the synonymy of A. botia. Copyright © 2012 Magnolia Press.


Kottelat M.,Route de la Baroche 12 | Tan H.H.,National University of Singapore
Ichthyological Exploration of Freshwaters | Year: 2012

Rasbora cryptica, new species, is described from Borneo in southern Sarawak (Malaysia). It is distinguished from all other species of the genus by a unique colour pattern consisting of a bold black longitudinally elongated blotch, made of a layer of deep pigment, appearing as a ventrad widening of the axial streak, on which the midlateral stripe is overimposed; the blotch extends from about midway between the pectoral- and pelvic-fin bases, until the middle of the dorsal-fin base. On the caudal peduncle, there is an elongate triangular blotch, with the apex pointed forwards, not extending onto the caudal fin. Rasbora cryptica was earlier misidentified as R. volzii fasciata, which is a synonym of R. volzii. A lectotype is designated for R. volzii. © 2012 by Verlag Dr. Friedrich Pfeil, München, Germany.


Conway K.W.,Texas A&M University | Kottelat M.,Route de la Baroche 12 | Kottelat M.,National University of Singapore
Raffles Bulletin of Zoology | Year: 2010

Two species of Psilorhynchus from the headwaters of the Ann Chaung drainage, central Rakhine State, Myanmar, are described. Psilorhynchus melissa, new species, differs from all its congeners by a unique colour pattern, including a dark band running along the distal edge of the dorsal fin and an intense scattering of dark melanophores along the anterior edge of the paired fins. Psilorhynchus pavimentatus, new species, differs from all its congeners by exhibiting sexual dimorphism of its pectoral fins, and from all similar looking species by a combination of characters, including the absence of scales from the midventral region between pectoral fins, a higher number of principal rays in the lower caudal-fin lobe (9 vs. 7-8) and aspects of its colour pattern, including the absence of vertical bars on the caudal fin. © National University of Singapore.


Kottelat M.,Route de la Baroche 12 | Kottelat M.,National University of Singapore
Revue Suisse de Zoologie | Year: 2012

Rasbora rheophila, new species, is described from Borneo in Sabah (Malaysia) and northern Kalimantan Timur (Indonesia). It is distinguished from all other species of the genus by the combination of a slender body, the backward position of the dorsal fin, a rounded snout, a dark midlateral stripe from head to end of hypural plate, over the axial streak, the caudal fin with a greyish to black posterior margin, restricted to upper lobe in some populations, 14 circumpeduncular scale rows, 31-34 + 2-3 lateral line scales, and 18-19 + 18-20 = 36-38 vertebrae.


Kottelat M.,Route de la Baroche 12 | Kottelat M.,Raffles Museum of Biodiversity Research | Kottelat M.,National University of Singapore
Revue Suisse de Zoologie | Year: 2012

Draconectes narinosus, new genus and species, is described from a cave in Van Gio island in Halong Bay, Vietnam. Besides characters commonly observed in cave fishes such as absence of eyes and pigmentation, it is distinguished by having the pores of the lateral line system on body and head situated at the tip of small papillae, a row of papillae along each side of the base of the dorsal fin, 7+6 branched caudal-fin rays; and the nostrils adjacent, posterior one broader than anterior one, anterior one broad and situated at the tip of a short tube. The relations of this species are not known but it has some similarity with several species described from caves of Guangxi (China) that had been placed in the genus Oreonectes.


Conway K.W.,Texas A&M University | Kottelat M.,Route de la Baroche 12 | Kottelat M.,National University of Singapore | Hui T.H.,National University of Singapore
Ichthyological Exploration of Freshwaters | Year: 2011

Sundadanio axelrodi is redescribed and seven new species are described: S. margarition from the Rajang and Sarawak drainages (Sarawak), S. echinus from the Anjungan peat swamp forest and S. rubellus from the Kapuas drainage (Kalimantan Barat, Borneo), S. retiarius from the Kotawaringin to Kahayan drainages (Kalimantan Tengah, Borneo), S. goblinus from the Batang Hari drainage (Sumatra), S. atomus from Singkep Island and S. gargula from Bangka Island. The eight species are distinguished by characters of colour pattern, tuberculation and squamation. © 2011 by Verlag Dr. Friedrich Pfeil, München, Germany - ISSN 0936-9902.


Kottelat M.,National University of Singapore | Hui T.H.,Route de la Baroche 12
Raffles Bulletin of Zoology | Year: 2011

Crossocheilus elegans, new species, is described from the Kinabatangan and Segama drainages in Sabah, northern Borneo. It is distinguished from all other species of the genus by its colour pattern consisting of a blackish midlateral stripe extending from the tip of the gill opening to the middle of the base of the caudal fin, separated from the dark brown dorsum by a pale yellowish-brown stripe. © National University of Singapore.


During his stay in the Netherlands East Indies [now Indonesia] between 1842 and 1860, Pieter Bleeker published about 350 articles on zoological subjects. They include the original descriptions of hundreds of new taxa. Most appeared in journals edited by Bleeker. Because many names appeared in parallel in the different journals, the dates of the first publication of many taxa are not clear. Further, articles in journals may have appeared as preprints, separates or as books, and journals were distributed as fascicles, as livraisons, or as whole volumes, often a combinations of these forms, and sent at different dates to subscribers in the East Indies and overseas or to individuals and institutions. Determination of the first usage of a name (and in many cases ascertaining its type series or type species, and its original spelling) requires the dating of the various works and thus, more importantly, establishing the sequence of publication. In this article I present the dates and chronological sequence of publication of these works on the basis of Bleeker's own comments in his publications and together with external information, where available. Most important are the minutes of the meetings of the Natuurkundige Vereeniging in Nederlandsch Indie¨ published in Natuurkundig Tijdschrift voor Nederlandsch Indie¨. Contemporaneous scientific journals published in Southeast Asia are briefly discussed. New biographical information on Bleeker and his way of working are also presented. © 2011 by Verlag Dr. Friedrich Pfeil, München, Germany.


Kottelat M.,Route de la Baroche 12 | Kottelat M.,National University of Singapore | Hui T.H.,National University of Singapore
Ichthyological Exploration of Freshwaters | Year: 2011

Rasbora atranus, new species, is described from the upper Mahakam drainage, central Borneo. It belongs to the R. sumatrana-elegans complex (sensu Brittan, 1954). It is distinguished by having a dark midlateral stripe from the operele to the caudal-fin base, often faint or poorly contrasted, widened in a faint elongated triangular blotch at the end of the caudal peduncle; by the presence of a conspicuous oval to triangular black blotch along the anterior half of the anal-fin base; by the fins orange in life. © 2011 by Verlag Dr. Friedrich Pfeil, München, Germany - ISSN 0936-9902.

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