Oreoglanis infulatus, a new species of glyptosternine catfish (Siluriformes: Sisoridae) from central Vietnam

A new species of glyptosternine catfish, Oreoglanis infulatus , is described from the Lam River drainage in central Vietnam. The new species is distinguished from all its congeners by possessing the following combination of characters: a dark band running across the anal fin, a lunate and uniformly dark caudal fin, the lower lip lacking a medial notch and with a lobulate posterior margin, maxillary barbel with a rounded tip, length of caudal peduncle 19·0–22·6 % L _S, depth of caudal peduncle 2·6–3·2 % L _S, post-adipose distance 6·8–8·0 % L _S, eye diameter 10·5–12·1 % L _H, 12 principal caudal-fin rays.     

Argostemma bachmaense (Rubiaceae,Rubioideae, Argostemmateae), a new species from central Vietnam

Argostemma bachmaense, a new species from central Vietnam, is described and illustrated here. The new species is most similar to A. laoticum and A. vietnamicum but can be distinguished from the latter two by having a well-developed internode with leaf pairs separately arranged along stem, isophyllous or slightly anisophyllous leaves, an oblanceolate to spatulate lamina with attenuate base and lateral veins with 4–5 pairs prominent on abaxially, a terminal, solitary flower, an absent bract, narrowly ovate or broadly lanceolate, 8.5–10.5 × 2.8–4.2 mm petals, 6.5–7.5 mm long stamen with yellow anther, a 8.5–9.5 mm long, exerted style and a globose stigma. Information on ecology, phenology and preliminary conservation assessment of the proposed new species are provided. In addition, we also provide an identification key to the nine Argostemma species found in Vietnam.     

广西岭鳅属鱼类一新种——罗城岭鳅(鲤形目:爬鳅科)

2008年9月,在广西壮族自治区罗城县天河镇附近一洞穴采集到一批条鳅亚科鱼类标本。经鉴定,为岭鳅属(Oreonectes)一新种。新种与岭鳅属的其他已知种类在以下组合特征上有区别:背鳍条3,7;臀鳍条2,5;胸鳍条1,11～12;腹鳍条1,7;尾鳍分枝鳍条为14～16。头平扁;眼正常;下唇表面具浅皱。腹鳍起点位于背鳍起点垂线下方之前,尾柄上、下缘无明显鳍褶;尾鳍后缘平截。体侧具不明显的细小鳞片,或鳞片隐于皮下。头部无侧线感觉系统管孔。成体粉红色,无色素,各鳍透明;浸泡标本体呈乳黄色,不透明,通体无色斑。     

Bibarba bibarba: A new genus and species of Cobitinae (Pisces: Cypriniformes: Cobitidae) from Guangxi Province (China)

A new genus of Cobitinae, Bibarba gen. n., and a new species, B. bibarba sp. n., were discovered and are described for the Chengjiang River, a tributary of the Hongshuihe River in Guangxi Province of southern China. This river region is characterized by a Karst landscape, and the river that is inhabited by the new genus is a slowly moving stream with arenaceous and cobblestone beds. The new genus resembles Cobitis Linnaeus, 1758 (subfamily Cobitinae) in the shape and pigmentation pattern of their body, the absence of scales on their head, and the presence of a suborbital spine, but differs from it by a single Lamina circularis on the third pectoral fin ray instead of on the base of the second pectoral fin ray; two pairs of barbels (one rostral pair and one maxillo-mandibular pair) instead of three pairs of barbels (one rostral pair, one maxillary pair, and one maxillo-mandibular pair); a relatively thick and short suborbital spine with a strong medio-lateral process instead of a suborbital spine without or with a weakly formed medio-lateral process as in Cobitis; and the lack of a black stripe extending from the occiput through the eye to the insertion of the rostral barbel. The first two characters have not been reported in any other genus of the subfamily Cobitinae. A morphometric character analysis based on PCA reveals differences between B. bibarba and C. sinensis in body size, barbel length, interorbital width, pectoral fin length in males, and the position of the dorsal and ventral fins. Type specimens of the new species are kept in the Freshwater Fishes Museum of the Institute of Hydrobiology at the Chinese Academy of Sciences in Wuhan, Hubei Province.     

A new species of the genus Mekongina Fowler, 1937 (Cypriniformes: Cyprinidae) from South China

A new species of cyprinid fish, Mekongina lancangensis, is described from the upper Mekong River drainage in Southern Yunnan, China. The new species is distinguished from the other species of Mekongina occurring in the lower Mekong River drainage by possessing the following combination of characters: one pair of rostral barbels; two rows of tubercles irregularly scattered on the snout and cheeks, with two enlarged tubercles present at each side of anterior of the snout; 19–27 rostral marginal lappets; lateral line with 38–41 scales; 5·5 or 6·5 scales in transverse series from dorsal‐fin origin to lateral line; 18–20 circumpeduncular scales; snout length 31·9–36·9% head length; tip of depressed anal‐fin rays extending to the caudal‐fin base.     

云南红河水系金线鲃属鱼类一新种——西畴金线鲃

该文记述了采集自云南省文山州西畴县兴街镇干海子(红河水系)一洞穴的鲤科鲃亚科金线鲃属鱼类一新种,命名为西畴金线鲃(Sinocyclocheilus xichouensis Pan,Li,Yang et Chen sp.nov.)。该新种眼睛正常,背鳍末根不分枝,鳍条变粗变硬,后缘3/5具锯齿,与属内分布在邻近南盘江水系的已知种大眼金线鲃(S.macrophthalmus)、圭山金线鲃(S.guishanensis)、狭孔金线鲃(S.angustiporus)、侧条金线鲃(S.lateristritus)、丘北金线鲃(S.qiubeiensis)、滇池金线鲃(S.grahami)、曲靖金线鲃(S.qujingensis)、麻花金线鲃(S.maculatus)、紫色金线鲃(S.purpureus)及疑似红河水系易门金线鲃(S.yimenensis)相似。籍第一鳃弓外侧鳃耙9以下的特征,可与大眼金线鲃相区别;眼间距为体长的8.1%～9.9%,吻须后伸超过眼后缘,口角须后伸超过前鳃盖骨后缘,可与圭山金线鲃相区别;背鳍起点与腹鳍起点相对,体侧沿侧线无黑色横带,可与侧条金线鲃相区别;侧线鳞74～88,侧线上鳞20,侧线下鳞16,可与滇池金线鲃相区别;侧线弯曲,侧线鳞74～88,围尾柄鳞48,可与曲靖金线鲃相区别;背鳍前距为体长的47.1%～53.7%,背鳍基长为体长的12.8%～15.8%,臀鳍前距为体长的66.0%～71.0%,臀鳍长为体长的13.7%～17.1%,胸鳍前距为体长的26.0%～29.5%,尾柄长为体长的19.3%～24.7%,下颌长为体长的4.7%～7.0%,明显区别于易门金线鲃;全身被鳞,具侧线鳞,可与其分布邻近的麻花金线鲃和紫色金线鲃相区别;背鳍前鳞35～39,鳃耙6,眼间距为体长的8.1%～9.9%,可与狭孔金线鲃及丘北金线鲃相区别。     

A second species of Euscorpiops Vachon from caves in Vietnam (Scorpiones,Euscorpiidae, Scorpiopinae)

Euscorpiops dakrong sp. n., belonging to the family Euscorpiidae Laurie, is described on the basis of one male and one female collected in the Dakrong Nature Reserve cave system, Dakrong District, Quang Tri Province, Vietnam. The new species presents most features exhibited by scorpions of the genus Euscorpiops, but it is characterized by a slender body and elongated pedipalps. This new scorpion taxon represents the second species of Scorpiopinae discovered in a cave system and may be yet another endemic element in the fauna of Vietnam. Some taxonomic propositions on the generic position of Scorpiops oligotrichus Fage, 1933 are also suggested.     

A new species of the genus Acropoma (Perciformes: Acropomatidae) from the Philippines

Acropoma boholensis sp. nov. is described on the basis of two specimens collected from Dumaguete city market, Negros Island, Philippines. It is distinguished from other species of Acropoma by the following combination of characters: anus situated closer to the origin of pelvic fin than to that of anal fin; luminous gland extending from isthmus to anal fin base; scales cycloid except weakly ctenoid scales around anterior part of lateral line and on ventral side of body; proximal radial of first anal fin pterygiophore lacking trough or hollow; body depth 31%–33% SL; head length 40%–42% SL; length of orbit 13%–14% SL. Received: November 14, 2000 / Revised: September 12, 2001 / Accepted: October 10, 2001     

西藏雅鲁藏布江下游墨头鱼属一新种（鲤形目：鲤科）

2016年11月,于西藏自治区墨脱县雅鲁藏布江支流哈果河中采集到一批墨头鱼属鱼类标本,经鉴定为一新种,命名为西藏墨头鱼（Garra tibetana sp. nov.）。该种曾一度被误认为Garra kempi Hora 1921。经形态对比,该新种与G. kempi及同属其他近似物种的主要鉴别特征包括：吻部具微弱额突,吻前端横叶及两侧有若干角质单尖棘突;胸腹部均有鳞片覆盖;背鳍分枝鳍条7? ~ 8?,臀鳍分枝鳍条4?;侧线鳞39 ~ 42,背前鳞13 ~ 14,围尾柄鳞12 ~ 13;体高为体长的13.5% ~ 17.6%,尾柄高为体长的8.8% ~ 11.0%,肛门至臀鳍起点为腹鳍起点至臀鳍起点距离的47% ~ 56%。     

A new species of the genus Malakichthys (Perciformes: Acropomatidae) from Japan

A new acropomatid, Malakichthys barbatus, is described on the basis of 27 specimens (76.3–180.1 mm SL) collected from Suruga Bay to Tosa Bay, along the southern Pacific coast of Japan. The new species is unique in having numerous pairs of spines on the chin (a pair of spines in other congeners). Although the new species resembles M. elegans in having a slender body (the depth less than 35% SL), the former is further distinguishable from the latter in having a slender first proximal radial of the anal fin with no hollow (broad with a cone-shaped hollow in M. elegans), 43–48 lateral line scales (48–51), modally 21 gill rakers on the lower arm (modally 23), and a dark blotch on the opercle (no remarkable blotch). Received: July 2, 2000 / Revised: September 27, 2000 / Accepted: January 30, 2001     

云南凤仙花属一新种及一新记录种

报道了在云南西南部发现的凤仙花属一新种——滇红凤仙花（Impatiens quintadecimacopii G.W.Hu&Q.F.Wang）和一新记录种——伸展凤仙花（I.porrecta Wall.ex Hook.f.&Thomson）。这两个种在形态上很相似,但在花色、侧萼片形状、旗瓣形状和蒴果颜色上明显有别。根据形态特征,这两个种应属于凤仙花亚属（I. subg.Impatiens）单花组（I. sect.Uniflora）。结合核糖体DNA内转录间隔区序列（ITS）与叶绿体atpB-rbcL间隔区序列开展系统发育分析,结果进一步确认了这两个种关系紧密,以及它们在单花组内的系统位置。     

中国广西盲鳅一新种——环江高原鳅(英文)

2007年4月,在广西壮族自治区环江县川山镇乐衣村附近一洞穴采集到一批盲鳅类标本。经鉴定,为高原鳅属(Triplophysa)鱼类一新种,被命名为环江高原鳅(Triplophysa huangjiangensis)。该新种以以下组合特征与高原鳅属的其他已知种类相区别:无眼;通体无鳞;尾鳍分叉;尾柄上、下叶具发达的软鳍褶;背鳍后缘平截;背鳍起点距尾鳍基的距离短于距吻端的距离;背鳍分枝鳍条数为8~9;胸鳍分枝鳍条数为10~11;腹鳍分枝鳍条数为6~7;臀鳍分枝鳍条数为6;尾鳍分枝数为13~14;胸鳍长为胸鳍起点至腹鳍起点间距的52.3%~70.7%;腹鳍起点位于背鳍起点之前下方;外侧吻须最长,为侧面头长的47.0%~73.8%;前鼻孔位于一短管中,末端延长呈须状;鳔后室发达,末端可伸达腹鳍起点。     

Two new species of the genus Endelus Deyrolle, 1864 from China (Coleoptera: Buprestidae)

The genus Endelus Deyrolle, 1864 belongs to the subfamily Agrilinae, tribe Aphanisticini. Two new species, E. (E.) violaceithorax sp. n. from Hainan Island and E. (E.) wangi sp. n. from Guangxi and Yunnan, are herein described and illustrated. A key to separate species of the subgenus Endelus Deyrolle, 1864 from China is provided.www.zoobank.org/urn:lsid:zoobank.org:pub:CF144204-86FB-401D-AF75-B740CCD020DC.     

Chimonocalamus bidoupensis,a new temperate bamboo species (Poaceae: Bambusoideae) from Bidoup National Park,southern Vietnam

A new temperate wood bamboo endemic to Vietnam is described and illustrated as Chimonocalamus bidoupensis N.H.Nghia & V.T.Tran. The new species is similar to C. baviensis in general appearance, but differs by its densely ciliate culms, culm sheaths that are concave at the apex with dense, white hairs on the abaxial surface of the sheath, and perfect florets 7–8 mm long.     

A new plesiomorphic species of webspinner (Embiodea,Clothodidae) from mid-Cretaceous Kachin amber of northern Myanmar

A new Mesozoic webspinner (Embiodea) is described and figured based on a moderately well-preserved male in mid-Cretaceous (earliest Cenomanian) amber from northern Myanmar. Perissoclothoda myrrhokaris gen. et sp. nov. is the second fossil representative of the putatively primitive family Clothodidae. It differs from the Cretaceous and more recent Embiodea in several plesiomorphic characters, namely a quadrate mentum, approximately oval submentum, subgenae not meet medially (thus a ventral bridge or gula is lacking), completely symmetrical terminalia, and dimerous cerci. This new find sheds further light on the diversity and morphological disparity of fossil webspinners during the Late Mesozoic.www.zoobank.org/urn:lsid:zoobank.org:pub:11A49D4A-4042-4AA3-858F-919E1A84B879.     

The genus Chaerilus Simon, 1877 in Vietnam (Scorpiones; Chaerilidae): A possible case of a vicariant species

A new species of the genus Chaerilus Simon, 1877 is described from a cave in Dien Bien District, West of Dien Bien Phu city in northern Vietnam. The new species is morphologically similar to other Chaerilus species distributed only in the south of Vietnam and Cambodia and suggests a case of a vicariant species between northern and southern populations in the Southeast Asian peninsula.     

Characteristics of Capoeta oguzelii,a new species of cyprinid fish from the Ezine Stream,Black Sea basin,Turkey (Teleostei: Cyprinidae)

Four species of Capoeta (C. baliki, C. banarescui, C. sieboldii and C. ekmekciae) have been reported from Black Sea drainages, to date. We recognised an additional species in the Ezine Stream in the Southern Black Sea basin. Based on the analysis of 21 metric and 8 meristic data, we concluded that the Ezine Stream population forms a distinct, unnamed species, which we have described as Capoeta oguzelii sp. n. This species can be distinguished from all other Capoeta species by the following combination of characteristics: small size, presence of only one pair of barbels, absence of a keratinised edge of the lower jaw, a weakly ossified last simple dorsal fin ray, 7–10 gill rakers on the first gill arch and 7½ branched dorsal fin rays.

http://www.zoobank.org/urn:lsid:zoobank.org:pub:066CC44A-3806-4DB7-8E88-AD971200E1EE     

Asterropteryx atripes, a new gobiid fish from the Western Pacific Ocean (Perciformes: Gobioidei)

 A new gobiid fish, Asterropteryx atripes, is described on the basis of eight specimens from Iriomote-jima Island, Ryukyu Islands, and El Nido, Philippines. It differs from its congeners by having the following combination of characters: 3rd spine of first dorsal fin long, filamentous, distal tip usually over end of 2nd dorsal fin base when appressed in both sexes; pelvic fins almost separated, innermost (=5th) segmented rays connected by rudimentary low membrane between bases, and no frenum; 4–7 short spines on posterior margin of preopercle (the uppermost spine usually just behind the cephalic sensory canal pore N); eye large, 32.3–35.8% of head length; enlarged haemal arches on 1st two caudal vertebrae; a distinct black band from posterior margin of eye to caudal fin base (indistinct in dark-phase individuals); black pelvic fin (vivid in dark-phase individuals); numerous minute bright blue spots on head and body in life; no distinct dark spots on head and body; iris entirely reddish-brown or dusky (bright white ventrally in pale-phase individuals) when alive or fresh, and entirely black in preservation, without white transverse bar on middorsal surface; hovering habit. The new species appears to be most closely related with the other only known hovering species, A. striata; the latter is readily distinguished from the former in having no long, filamentous dorsal spine; semitranslucent pelvic fin; and a series of small black spots along dorsal fin base and dorsal edge of caudal peduncle. Asterropteryx contains two distinct groups, and the monophyly of the genus is open to question. Received: March 19, 2000 / Revised: February 25, 2002 / Accepted: April 25, 2002