Kawanishi midoridai Senior High School

Kawanishi, Japan

Kawanishi midoridai Senior High School

Kawanishi, Japan
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Herler J.,University of Vienna | Bogorodsky S.V.,Station of Naturalists | Suzuki T.,Kawanishi midoridai Senior High School
Zootaxa | Year: 2013

Four new species of the coral-associated gobiid genus Gobiodon were discovered in the Red Sea. Although several of these species are common not only in the Red Sea but also in the Indian and western Pacific Ocean, they have not been described before. Detailed descriptions of the four species are based on morphological and molecular genetic (mitochon-drial 12s and 16s rRNA) investigations. The new species, like most species of the genus, lack scales and have species-specific life colouration. Gobiodon bilineatus sp. nov. is the closest relative to G. quinquestrigatus (Valenciennes) and of G. sp. D (Munday et al.), and has five distinct, blue lines on the head as juveniles and subadults, which disappear in adults, and which are often uniformly orange-red with two distinct, vertical blue lines through each eye. Gobiodon irregularis sp. nov. has been confused with the former new species in the past, and is closely related to G. oculolineatus Wu, but is un-mistakable in live colouration. Juveniles are characterised by a transparent body, red bars on the head with bluish to greyish interspaces, and irregular red lines and dots on the nape and dorsally on the body. Adults are usually uniformly brown or green-brown, with only remnants of the bars through the eye and below the orbit. Gobiodon ater sp. nov. is a small, entirely black species and can be easily confused with other black species, although it is genetically clearly distinct from G. ceramensis Bleeker and its black relatives. Gobiodon fuscoruber sp. nov. is likely to be the closest relative of G. ater sp. nov., but is uniformly reddish-brown or brown, has bright median fin margins (at least in the Red Sea), and grows considerably larger than G. ater. It has been genetically determined that G. fuscoruber sp. nov. is identical with an Indian Ocean/western Pacific species that has been called G. unicolor Castelnau by several authors. However, examination of the holotype of G. unicolor, including the original description, revealed that the type species and original description are clear-ly different from the species frequently called G. unicolor. The holotype resembles G. histrio (Valenciennes) and the name G. unicolor must therefore be considered a junior synonym of G. histrio. As a consequence, a new name for this species is provided. Copyright © 2013 Magnolia Press.


Greenfield D.W.,California Academy of Sciences | Greenfield D.W.,Hawaii Pacific University | Suzuki T.,Kawanishi midoridai Senior High School
Zootaxa | Year: 2012

A species commonly identified as Eviota pellucida in the literature has been misidentified and is in fact an undescribed species, described here as E. atriventris. Eviota pellucida is known only from the Gilbert and Marshall Islands, Ponape, Mariana Islands, and the Ryukyu Islands, Japan. Eviota atriventris is known from the Ryukyu Islands, Philippine Islands, Palau Islands, Indonesia, Papua New Guinea, Solomon Islands, New Caledonia, and the Great Barrier Reef, Australia. Eviota atriventris differs from E. pellucida in both preserved and live coloration and in pectoral-fin ray counts. © 2012 Magnolia Press.


Bogorodsky S.V.,Senckenberg Institute | Suzuki T.,Kawanishi midoridai Senior High School | Mal A.O.,King Abdulaziz University
Zootaxa | Year: 2016

A new species of Reefgoby, Priolepis melanops, is described from Al Lith, central Saudi Arabian coast of the Red Sea, on the basis of a single adult specimen. It is a distinctive species, and can distinguish from its congeners by the following characters: dorsal-fin rays VI + I,9, no elongate spines in first dorsal fin; anal-fin rays I,8; pectoral-fin rays 14-15, all unbranched; longitudinal scale series 25; no scales on the head or predorsal midline, sides of the nape scaled; a developed transverse pattern of the sensory papillae below the eye; fifth pelvic-fin ray unbranched, its length 47% length of fourth ray; body and most of head brownish orange, densely covered with melanophores; snout, lips, chin and chest black; iris black; fins translucent with narrow black stripe along base of each dorsal fin. Placement of the new species in Priolepis is based on the presence of characteristics currently associated with Priolepis rather than with Trimma. An individual of Priolepis compita Winterbottom was photographed in very shallow water on a reef flat at Sharm el Sheikh, at the entrance of the Gulf of Aqaba, and represents a new record for the Red Sea. The endemic Red Sea species Trimma filamentosus Winterbottom and T. fishelsoni Goren, previously know as far south as Jeddah, were collected at Al Lith, central Saudi Arabia, and represents the southernmost record for both species. Variation of P. compita and T. fishelsoni is noted and the cephalic sensory system of the latter is described for the first time. In addition, we report that records of Trimma tevegae Cohen & Davis from the Red Sea are based on misidentification. A key to distinguish the species of Priolepis and Trimma known from the Red Sea is provided. Copyright © 2016 Magnolia Press.


Suzuki T.,Kawanishi midoridai Senior High School | Chen I.-S.,National Taiwan Ocean University
Journal of Marine Science and Technology (Taiwan) | Year: 2013

Two new gobiid species of Vanderhorstia Smith, 1959 which have been recently collected from Japanese waters. Both new species are distributed in marine coral reef habitats off the Ryukyus, Japan. Vanderhorstia cyanolineata sp. nov. can be well distinguished from congeners by the following unique combination of features: (1) fin ray counts: second dorsal fin rays I/12, anal fin rays I/12; pectoral fin rays 18-19; (2) fin shape: low first dorsal fin with about equal 3rd to 5th spinous rays, caudal fin large and middle rays as sword-like projection; (3) scales: LR 50-52; TR 18; and (4) its own specific colouration mentioned below. Vanderhorstia fulvopelvis sp. nov. can be well distinguished from congeners by the following unique combination of features: (1) fin ray counts: second dorsal fin rays I/12, anal fin rays I/12; pectoral fin rays 17; (2) fin shape:D1 in lacking any filamentous ray; C large with larger upper lobe forming as pointed tip; (3) scales: LR 46-47; TR 16; and (4) their own specific colouration. The diagnosis, formal descriptions and color images of specimens as well as underwater photo records will be provided in this paper.


Greenfield D.W.,California Academy of Sciences | Greenfield D.W.,Hawaii Pacific University | Suzuki T.,Kawanishi midoridai Senior High School
Zootaxa | Year: 2013

Eviota nigramembrana is described from the Ryukyu Islands, Japan and also recorded from the Philippine Islands. It belongs to the cephalic sensory-pore system pattern group I (complete), has a dorsal/anal fin-ray formula of 8/8, 5th pelvicfin ray absent, some lower pectoral-fin rays branched, five dark internal bands between anal-fin origin and caudal fin, no distinct marking on pectoral-fin base, dark internal rectangular mark above midline of ural centrum, a light spinous dorsal fin, and black pigment on the opercular membrane. Copyright © 2013 Magnolia Press.


Suzuki T.,Kawanishi midoridai Senior High School | Chen I.-S.,National Taiwan Ocean University | Senou H.,Kanagawa Prefectural Museum of Natural History
Journal of Marine Science and Technology | Year: 2011

A new freshwater goby, Rhinogobius ogasawaraensis was collected from streams of the Bonin Islands (Ogasawara Group), Japan. The species can be distinguished from all congeneric species by the following combination of characters: (1) meristic features: second dorsal fin rays I, 8-9; pectoral fin rays 18-20; predorsal scales 7-16; longitudinal scale rows usually 32-34; vertebral count 26; and (2) specific colouration: check with some red spots, nape with several longitudinal dark stripes, upper part of pectoral fin base with a horizontal deep brown bar, intermittent dark dotted rows along middle axis of body, no saddle shaped patch of dark dots on dorsal side of body, ventral side of body yellowish white, caudal fin with some dark dotted rows on middle region and the base with a pair of dark brown bars which vertically to each other. The ripe oocyte diameter of this new species suggests that it belongs to a member of typical amphidromous species.


Yamasaki Y.Y.,Kyoto University | Nishida M.,University of Tokyo | Nishida M.,University of Ryukyus | Suzuki T.,Kawanishi midoridai Senior High School | And 2 more authors.
Molecular Phylogenetics and Evolution | Year: 2015

Rhinogobius fishes (Gobiidae) are distributed widely in East and Southeast Asia, and represent the most species-rich group of freshwater gobies with diversified life histories (i.e., amphidromous, fluvial, and lentic). To reveal their phylogenetic relationships and life history evolution patterns, we sequenced six nuclear and three mitochondrial DNA (mtDNA) loci from 18 species, mainly from the mainland of Japan and the Ryukyu Archipelago. Our phylogenetic tree based on nuclear genes resolved three major clades, including several distinct subclades. The mtDNA and nuclear DNA phylogenies showed large discordance, which strongly suggested mitochondrial introgression through large-scale interspecific hybridization in these regions. On the basis of the molecular dating using geological data as calibration points, the hybridization occurred in the early to middle Pleistocene. Reconstruction of the ancestral states of life history traits based on nuclear DNA phylogeny suggests that the evolutionary change from amphidromous to freshwater life, accompanied by egg size change, occurred independently in at least three lineages. One of these lineages showed two life history alterations, i.e., from amphidromous (small egg) to fluvial (large egg) to lentic (small egg). Although more inclusive analysis using species outside Japan should be further conducted, the present results suggest the importance of the life history evolution associated with high adaptability to freshwater environments in the remarkable species diversification in this group. Such life history divergences may have contributed to the development of reproductive isolation. © 2015 Elsevier Inc.


Shibukawa K.,Nagao Natural Environment Foundation | Suzuki T.,Kawanishi midoridai Senior High School | Senou H.,Kanagawa Prefectural Museum of Natural History
Zootaxa | Year: 2012

The Indo-West Pacific gobiid fish genus Lotilia, symbiotically associated with alpheid shrimps, is reviewed. The genus comprises two species, viz. L. graciliosa Klausewitz, 1960 and L. klausewitzi sp. nov., the latter of which is described herein based on 11 specimens (including seven type specimens) from Japan, Australia and the Bismark Archipelago. Lotilia klausewitzi, previously misidentified as L. graciliosa in the West Pacific, is readily distinguished from L. graciliosa by having the following features, in addition to some minor differences in the sensory-papillae configuration on the cheek: cephalic sensory canals and associated pores present (vs. absent in L. graciliosa); 7+6=13 branched caudal-fin rays (vs. 7+7=14); pale area on dorsum from snout to dorsoanterior part of body relatively long, extending posteriorly to, or beyond, base of fifth spine of first dorsal fin (vs. extending posteriorly to around base of third or fourth spine); a faint, relatively small dark grayish brown spot at center of first dorsal fin behind third or fourth spine, and its paler margin usually absent or obscure (vs. conspicuous ocellated black spot with vivid pale margin at center of first dorsal fin, extending anteriorly beyond third spine); and a submarginal row of black spots on caudal fin (vs. absent). Geographic records based on the specimens examined and underwater photographs indicate that L. graciliosa appears to be restricted to the Red Sea and its adjacent areas, whereas L. klausewitzi is widely found in the West Pacific. Lotilia is re-diagnosed, and L. graciliosa is re-described based on five specimens including the holotype. Copyright © 2012, Magnolia Press.


PubMed | California Academy of Sciences, Kawanishi midoridai Senior High School and Kagoshima University
Type: Journal Article | Journal: Zootaxa | Year: 2015

Two new species of Eviota from Yoron Island, the Ryukyu Islands, Japan, are described. Both species belong to the cephalic sensory-canal pore system pattern 2 (lacking only the H [IT] pore); have some pectoral-fin rays branched; have a dorsal/anal-fin formula of 9/8; no dark spot over the ural centrum; no prominent distinct dark spots on the pectoral-fin base; no postocular spots; and no strong dark spots on the caudal fin. The species share the most characters with E. afelei, E. bimaculata and E. punctulata, but differ from Eviota afelei and E. punctulata by having two versus three dark marks over the anal-fin base, and from Eviota bimaculata by lacking the two dark, prominent occipital spots present in that species. Both species differ from all other described species of Eviota in fresh coloration. Eviota flavipinnata has bright golden-yellow dorsal fins and an orange anal fin, and a fifth pelvic-fin ray that is 12% the length of the fourth ray. Eviota rubrimaculata has clear dorsal fins with red spots, large red spots on the body, and lacks the fifth pelvic-fin ray.


PubMed | King Abdulaziz University, Senckenberg Institute and Kawanishi midoridai Senior High School
Type: Journal Article | Journal: Zootaxa | Year: 2016

A new species of Reefgoby, Priolepis melanops, is described from Al Lith, central Saudi Arabian coast of the Red Sea, on the basis of a single adult specimen. It is a distinctive species, and can distinguish from its congeners by the following characters: dorsal-fin rays VI + I,9, no elongate spines in first dorsal fin; anal-fin rays I,8; pectoral-fin rays 14-15, all unbranched; longitudinal scale series 25; no scales on the head or predorsal midline, sides of the nape scaled; a developed transverse pattern of the sensory papillae below the eye; fifth pelvic-fin ray unbranched, its length 47% length of fourth ray; body and most of head brownish orange, densely covered with melanophores; snout, lips, chin and chest black; iris black; fins translucent with narrow black stripe along base of each dorsal fin. Placement of the new species in Priolepis is based on the presence of characteristics currently associated with Priolepis rather than with Trimma. An individual of Priolepis compita Winterbottom was photographed in very shallow water on a reef flat at Sharm el Sheikh, at the entrance of the Gulf of Aqaba, and represents a new record for the Red Sea. The endemic Red Sea species Trimma filamentosus Winterbottom and T. fishelsoni Goren, previously know as far south as Jeddah, were collected at Al Lith, central Saudi Arabia, and represents the southernmost record for both species. Variation of P. compita and T. fishelsoni is noted and the cephalic sensory system of the latter is described for the first time. In addition, we report that records of Trimma tevegae Cohen & Davis from the Red Sea are based on misidentification. A key to distinguish the species of Priolepis and Trimma known from the Red Sea is provided.

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