Melitoid amhipods of the genera Ceradocus Costa, 1853 and Victoriopisa Karaman and Barnard, 1979 (Crustacea: Amphipoda: Maeridae) from the South China Sea, Malaysia

Zootaxa ◽  
2010 ◽  
Vol 2348 (1) ◽  
pp. 23 ◽  
Author(s):  
J. H. C. LIM ◽  
B. A. R. AZMAN ◽  
B. H. R. OTHMAN
Keyword(s):  
New Species ◽  
South China Sea ◽  
South China ◽  
East Coast ◽  
First Record ◽  
Peninsular Malaysia ◽  
The Other ◽  
Cephalic Lobe ◽  
Two New Species ◽  
Suction Sampler

Two new species of Melitoid amphipods from Pulau Perhentian Besar and Pulau Tinggi, east coast of Peninsular Malaysia were described and illustrated. Specimens were collected by means of an airlift suction sampler at seagrass areas of the two islands. Ceradocus mizani sp. nov. found commonly at seagrass areas of Malaysian waters, can be readily distinguished from any other known Ceradocus species by a set of distinct characters based on the asymmetrical male gnathopod 2; sculpturing on the palm of the larger gnathopod 2; serrated pleonal epimeron 1–3; and multidentate dorsal pleonites and urosomites with 11 spines on urosomite 1 and 6 spines on urosomite 2. Victoriopisa tinggiensis sp. nov. on the other hand is characterized by its prolonged lateral cephalic lobe; the presence of an anteroventral notch on the head; weakly developed eyes; and pereopod 7 basis with intermediate lobation. This would be the first record of the genus Ceradocus and Victoriopisa from the waters of Peninsular Malaysia. Discovery of these two new species represents an ongoing and continuous effort on amphipod taxonomical studies here in Malaysia.

scholarly journals The identity of Pseudomystus moeschii (Boulenger, 1890), with the description of two new species of bagrid catfishes from Southeast Asia (Teleostei: Bagridae)

Zootaxa ◽  
2005 ◽  
Vol 851 (1) ◽  
pp. 1 ◽  
Author(s):  
HEOK HEE NG ◽  
KELVIN K.P. LIM
Keyword(s):  
New Species ◽  
Southeast Asia ◽  
Peninsular Malaysia ◽  
The Other ◽  
River Drainage ◽  
Posterior Process ◽  
Two New Species ◽  
The Way

The identity of the poorly known bagrid catfish Pseudomystus moeschii (Boulenger, 1890) is clarified and the species redescribed. Two new species of closely related bagrid catfishes are also described: Pseudomystus carnosus from the Way Seputih River drainage in the province of Lampung in the southern tip of Sumatra, and P. fumosus from the Pahang River drainage in eastern Peninsular Malaysia. Pseudomystus carnosus, P. fumosus and P. moeschii can be distinguished from congeners in having an enlarged posterior process of the post-temporal, presence of long hair-like epithelial projections on the skin and long tubular extensions of the sensory pores. Pseudomystus carnosus differs from the other two species in having a pointed (vs. rounded) tip of the nuchal shield, while P. fumosus differs from the other two species in having very well developed procurrent caudal rays which are sinuously curved along the anterior edges (vs. less developed procurrent caudal rays that slope evenly along the edges). A lectotype is designated for P. moeschii.

A new species of Stygiopontius (Copepoda, Siphonostomatoida, Dirivultidae) from a deep-sea cold seep in the South China Sea

Crustaceana ◽  
2020 ◽  
Vol 93 (11-12) ◽  
pp. 1535-1546
Author(s):  
L. Ma ◽  
M.-X. Wang ◽  
X.-Z. Li
Keyword(s):  
New Species ◽  
South China Sea ◽  
South China ◽  
First Record ◽  
Plumose Seta ◽  
Endopodal Segment ◽  
Cold Seep ◽  
China Sea ◽  
Stout Spine ◽  
A New Species

Abstract A new species of the copepod genus Stygiopontius is described based on samples from a cold seep in northeastern South China Sea southwest to Taiwan, which were collected by the ROV Faxian with its mother vessel R/V Kexue in September 2017. The copepods were obtained by washing Shinkaia crosnieri Baba & Williams, 1998 (Decapoda: Munidopsidae) caught at a depth of 1124 m. The new species can be distinguished from its congeners by the combination of the following characteristics: caudal rami about 3.5 times as long as wide; basis of maxilliped with plumose seta, endopodal claw of maxilliped stout, with a row of fine spinules on inner margin; coxa of leg 1 with one inner seta; basis of leg 1 with stout spine exceeding to end of first endopodal segment; second endopodal segment of female leg 4 with pointed process; third exopodal segment of leg 4 with three outer spines. This is the first record of a Stygiopontius species from a cold seep.

Tardigrades from Portugal: four new records and description of two new species

Zootaxa ◽  
2009 ◽  
Vol 2030 (1) ◽  
pp. 21-38 ◽  
Author(s):  
PAULO FONTOURA ◽  
GIOVANNI PILATO ◽  
OSCAR LISI ◽  
PAULO MORAIS
Keyword(s):  
New Species ◽  
Iberian Peninsula ◽  
New Records ◽  
First Record ◽  
The Other ◽  
New Name ◽  
Two New Species ◽  
First Time

Six species of Eutardigrada are recorded from Portugal; four of them, Macrobiotus crenulatus Richters, 1904, Hypsibius seychellensis Pilato, Binda & Lisi, 2006, Diphascon (Diphascon) pingue (Marcus, 1936) and D. (Diphascon) patanei Binda & Pilato, 1971 are recorded for the first time in Portugal. Two species, Minibiotus orthofasciatus sp. nov. and Bertolanius (new name of Amphibolus) portucalensis sp. nov. are new to science. Minibiotus orthofasciatus sp. nov. is one of the species of the genus with three macroplacoids, microplacoid and cuticular pores forming transverse bands. The new species differs from all existing species by one or more of the following characters: distribution of the pores, shape of the pores, absence of dots on the legs, level of insertion of the stylet supports on the buccal tube. To the new species is attributed an unembryonated egg similar to those of Minibiotus intermedius (Plate, 1888), M. poricinctus Claxton, 1998, M. floriparus Claxton, 1998, and M. weglarskae Michalczyk, Kaczmarek & Claxton, 2005 but different from them in some details. Bertolanius portucalensis sp. nov. is very similar to the other species of the genus, but it differs from them in having very small cuticular tubercles. From some of them it differs by characters of the buccopharyngeal apparatus and/or of the eggs. This is the first record of the genus and of the Eohypsibiidae family in the Iberian Peninsula.

Description of two new species of the genus Automate De Man, 1888 (Crustacea: Decapoda: Caridea) from the South China Sea

Zootaxa ◽  
2017 ◽  
Vol 4238 (1) ◽  
pp. 30 ◽  
Author(s):  
YAN-RONG WANG ◽  
ZHONG-LI SHA
Keyword(s):  
New Species ◽  
South China Sea ◽  
South China ◽  
Anterior Margin ◽  
Cutting Edge ◽  
Ventral Margin ◽  
Lower Margin ◽  
The Third ◽  
Two New Species ◽  
De Man

Three species of the genus Automate De Man, 1888 are described herein, including two new species: A. anacanthopusoides sp. nov. and A. spinosa sp. nov.. Automate anacanthopusoides sp. nov. can be easily identified by the presence of a rostrum, the notch on the lower margin of the major chela, the stout minor cheliped and the cutting edge of the pollex not dentate, and by the absence of spines on the ventral margin of the propodus of the third and fourth pereiopod. Automate spinosa sp. nov. can be easily identified by the nearly straight anterior margin of the carapace, and the presence of spines on the ventral margin of the propodus of third and fourth pereiopod. A key of all species of the Automate is provided. 

scholarly journals Rubrobacter tropicus sp. nov. and Rubrobacter marinus sp. nov., isolated from deep-sea sediment of the South China Sea

2020 ◽  
Vol 70 (10) ◽  
pp. 5576-5585 ◽  
Author(s):  
Rou-Wen Chen ◽  
Cun Li ◽  
Yuan-Qiu He ◽  
Lin-Qing Cui ◽  
Li-Juan Long ◽  
...  
Keyword(s):  
New Species ◽  
South China Sea ◽  
South China ◽  
Deep Sea ◽  
Type Strain ◽  
The South China Sea ◽  
Content Type ◽  
Deep Sea Sediment ◽  
Link Type ◽  
Two New Species

Two novel Gram-stain-positive bacteria, designated as SCSIO 52909T and SCSIO 52915T, were isolated from a deep-sea sediment sample collected at about 3448 m water depth of the South China Sea. Phenotypic, chemotaxonomic and genomic characteristics were investigated. These strains were aerobic and tested positive for catalase activity, oxidase activity and nitrate reduction. Optimal growth occurred at 28 °C, pH 7 and 3% salinity over 14 days cultivation. Its peptidoglycan structure was type A3α (l-Lys–l-Ala) and the only menaquinone was MK-8. Both strains possessed diphosphatidylglycerol, phosphatidylglycerol, an unidentified phosphoglycolipid, an unidentified glycolipid and an unidentified phospholipid. Their major fatty acids differed, but both contained iso-branched components of C16 : 0 12-methyl. Genome sequencing revealed two large genomes of 4.58 Mbp with G+C content of 67.0 mol% in SCSIO 52909T and of 4.42 Mbp with G+C content of 69.1 % in SCSIO 52915T. The two novel strains encoded genes for metabolism that are absent in most other Rubrobacter species, and possessed many more gene copy numbers of alkaline phosphatase and thioredoxin reductase. Results of gANI and 16S rRNA gene analyses suggested that the two strains represent two new species, with 74.9, 95.0 % pairwise similarity between each other, and less than 74.3 and 93.5 % to other recognized Rubrobacter species, respectively. In the phylogenetic analysis, strains SCSIO 52909T and SCSIO 52915T were separately clustered together and formed a well-separated phylogenetic branch distinct from the other known species in the genus Rubrobacter . Based on the data presented here, these two strains should be recognized as two new species in the genus Rubrobacter , for which the names Rubrobacter tropicus sp. nov., with the type strain SCSIO 52909T (=KCTC 49412T=CGMCC 1.13853T), and Rubrobacter marinus sp. nov., with the type strain SCSIO 52915T (=KCTC 49411T=CGMCC 1.13852T), are proposed.

Three Nematodes from Malayan Amphibians including a New Genus and Two New Species

1963 ◽  
Vol 37 (1-2) ◽  
pp. 145-158 ◽  
Author(s):  
P. H. Yuen
Keyword(s):  
New Species ◽  
New Genus ◽  
Far East ◽  
First Record ◽  
Structural Features ◽  
The Other ◽  
Larval Form ◽  
The Far East ◽  
Two New Species

Three species of nematodes were collected from some Malayan frogs and toads. Two of these are bursate nematodes, one of which belongs to a new genus for which the nameBatrachostrongylusgen. nov. is proposed. The genusBatrachostrongylushas structural features of both the families Strongylidae and Trichostrongylidae. The other bursate nematode, namelyOswaldocruzia hoeppliiHsu is widely distributed in the Far East and this is the first record from the Malaysian region. This species shows considerable variation throughout its range. Another new species,Abbreviata bufonissp. nov. is from Bufo asper Boulenger. Although the larval form ofAbbreviata ranae(Walton), the only representative of the genus in Amphibia has been recorded from U.S.A., this is the first record of an adultAbbreviataparasitic in Amphibia.

Inner Shelf Benthic Foraminifera of the South China Sea, East Coast Peninsular Malaysia

2019 ◽  
Vol 49 (1) ◽  
pp. 11-28 ◽  
Author(s):  
Rokiah Suriadi ◽  
Hasrizal Shaari ◽  
Stephen J. Culver ◽  
Mohd Lokman Husain ◽  
V. R. Vijayan ◽  
...  
Keyword(s):  
South China Sea ◽  
South China ◽  
Benthic Foraminifera ◽  
East Coast ◽  
Peninsular Malaysia ◽  
The South ◽  
Inner Shelf ◽  
China Sea ◽  
The North ◽  
Muddy Sediments

Abstract The distributional patterns of modern benthic foraminifera from the inner shelf of the southern South China Sea, off the east coast of peninsular Malaysia, are documented for the first time. The study area from Tanjung Sedili, Johor in the south to Marang, Terengganu, in the north was selected for a sand-resource study by the Minerals and Geoscience Department, Malaysia in 1993. Twenty-four surface sediment samples from <50 m water depth contained 266 foraminiferal species belonging to 6 orders, 49 families, and 117 genera, including 32 agglutinated, 130 calcareous hyaline, and 104 calcareous porcelaneous species. Two biofacies were distinguished by cluster analysis. Biofacies A was characterized by high relative abundance of Amphistegina papillosa and few other larger benthic foraminiferal (LBF) taxa in sandier sediments. Biofacies B was characterized by Pseudorotalia schroeteriana and other small rotaliids that were found in muddy sediments. The following features of foraminiferal assemblages and sediments reflect the strong fluvial/terrestrial influence on this tropical shelf environment: the overall moderate foraminiferal diversity, dominance of rotaliids over miliolids, overall dominance of smaller foraminiferal assemblages by Elphidium crispum, the limited diversity of LBF, the limited abundance of A. lessonii and the dominance of LBF assemblages by A. papillosa at relatively shallow depths. These features indicate at least intermittently turbid waters with limited light penetration and the dominance of the shelf sediments by siliciclastics, with mean percent carbonates <35%.

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