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Jae-Min Park,Na-Ri Kim,Kyeong-Ho Han3,Ji-Hyeong Han,Maeng-Hyun Son,Jae-Kwon Cho 한국발생생물학회 2014 발생과 생식 Vol.18 No.4
Hyphessobrycon eques is a famous fish for ornamental fish market and aquarium. They are inhabit in regions of Amazon and Paraguay River basin. Serpae fishs were investigated 2–3 males are chased to female, and then males attempted to simulate the females abdomen. After fertilization, eggs were kept in incubators at 28oC. The fertilized eggs had adhesive and demesal characteristics and had a mean diameter of 0.92 ± 0.01 mm. Larvae hatched at 16 hrs post fertilization. The hatched larvae averaged 2.90 ± 0.16 mm in total length (LT). Complete yolk sac resorption and mouth opening occurred on the third day post hatching. At 45 days post hatching, the larvae were 12.5 ± 1.60 mm LT and had reached the juvenile stage.
韓景鎬,金容億 여수대학교 1998 論文集 Vol.12 No.2
The taxonomic revision of the Genus Takifugu(Tetraodontidae) was conducted based on the specimens collected from the coasts of Korea Peninsula from July, 1990 to August, 1994. The species relationships of 15 species of the genus Takifugu were studied based on external morphological characters. Of these, 3 species are new to the Korean fish fauna. They are Takifugu bimaculatus (Richardson). Takifugu snyderi(Abe) and Takifugu sp... Based on spinous scales(prickles), the species of T. alboplumbeus, T. rubripes, T. chinensis, T. xanthopterus, T. niphobles, T. stictonotus, T. flavidus, T. bimaculatus have dorsal and ventral region, and those of T. obscurus have dorsal, ventral and opercular region, while T. snyderi, T. vermicularis, T. prophyreus have no spinous scales. Takifugu stictonotus have larger ventral spinous scales than dorsal ones. Takifugu alboplumbeus and T. poecilonotus were considered ancestral group because of the ancestral character of the vertebrae, dorsal and anal fin ray and pterygiophors.
저질에 따른 꼬막(Tegillarca granosa)의 염분내성
한경호,진동수,추은경,이우범,이원교 國立 麗水大學校 環境問題硏究所 2000 環境硏究論文集 Vol.3 No.-
The present study was conducted to know the salinity tolerance of the bloody clam, Tegillarca granosa (Linnaeus) caught in Gang-jin Bay from May to June in 2000. In the experimental groups of sandy-mud, the survival and infiltration rate were not bad at 20~40ppt, but all the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt before the experiment finish. In the experimental groups of muddy, the survival and infiltration rate wrer not bad at 20~35ppt and then 40ppt, 45ppt. All the bloody clam, Tegillarca granosa died at more than 50ppt and less than 10ppt. The infiltration rate was high at 25~35ppt in the both of two experimental groups. In the sandy-mud, the bloody clam, Tegillarca granosa infiltrated less than half of their shells at 25ppt, 30ppt but in the muddy, they infiltrated more than half of their shells at 25ppt, 30ppt, 35ppt.
버들치(Phoxinus oxycephalus) 仔稚魚의 골격 발달
한경호,노병율 여수대학교 2001 論文集 Vol.16 No.-
Twenty individuals of the Phoxinus oxycephalus (Sauvage et Dabry) were caught in Kyeongho River, Kyeongsangnam-do and were reared in the laboratory. During the rearing, they spawned 5 times in April, 1998, and their larvae and juveniles were reared. The osteological development of Phoxinus oxycephalus was studied based on them. At the cranium, parasphenoid was firstly ossified in the larvae (6 days after hatching), mean 6.44㎜ in total length (TL), and ossification of the cranium was completed in the juveniles (80 days after hatching), means 18.76㎜ in TL. At the visceral, opercle and dentary were firstly ossified in the larvae (13 days after hatching), mean 6.82㎜ in TL, and ossification of the visceral was completed in the juveniles (80 days after hatching). The ossification of the vertebral columns began posteriorly and was completed in the juveniles (80 days after hatching). The caudal skeleton was firstly ossified in the larvae (16 days after hatching), mean 7.02㎜ in TL and comleted in the larvae (44 days after hatching), 13.72㎜ in TL.
한국産 밀복屬과 은띠복屬(國名新稱) 魚類의 分類學的 硏究
韓景鎬,金容億 여수대학교 1998 論文集 Vol.12 No.2
The taxonomic revision of the six species(L. lunaris, L. goloveri, L. wheeleri, L. inermis, L. laevigatus and P. sceleratus) of the genera Lagocephalus and Pleuranacanthus from Korea carried out based on external morphological characters. Six species representing 2 genera of the Family Tetraodontidae in Korea redescribed, and provisional keys to species were provided. Of thses, 2 species are new to the Korean fish fauna. They are Lagocephalus laevigatus (Linnaeus) and Pleurancanthus sceleratur (Gmelin). Lagocephalus inermis differs from the other four congeneric species, since it shows different synapomorphic characters of the black gill slits and prickles. The Genus Pleurancanthus has different characters of body form, meristic and measurements characters, and lateral line system in Lagocephalus, therefore it should be included in the Genus rank.
한경호,윤연미,양한춘 여수대학교 1998 論文集 Vol.13 No.2
전라남도 광양만 묘도 주변의 연안어장에서 1997년 2월부터 12월까지 6회에 걸쳐 소형 저인망을 이용하여 어획물을 채집하여 魚類 군집의 종조성 및 양적변동을 조사하였다. 채집된 어류는 총 8目 38科 56屬 66種 21,541개체, 175,330g 으로 농어目(Perciformes), 쏨뱅이目(Scorpaeniformes) 및 가자미목(Pleuronectiformes) 어류가 총 50種으로 전체 출현종수의 75.8%를 차지하였으며, 科別로는 망둑어科() 어류가 8種 出現하여 가장 많았다. 총 66種의 어류중 개체수는 주둥치(Leiognathus ruchalis), 전어(Konosirus punctatus), 멸치(Engraulis japonicus), 준치(Ilisha elongata), 실양태(Repomucenus valencinnei), 보구치(Argyrosomus argentatus), 및 청멸(Thryssa kammalensis)의 7種이 전 개체수의 95.4%를 차지하여 우점종으로 나타났다. 生體量은주둥치, 전어, 꼼치(Liparis tanakai), 숭어(Mugil cephalus), 준치, 보구치, 문절망둑(Acanthogobius flavimanus), 멸치, 쥐노래미(Hexagrammos otakii) 및 실양태의 順으로 이들 10種이 全生體量의 86.1%를 차지하여 우점하였다. 출현 개체수와 생체량은 고수온기인 봄과 여름에 높게 나타났으며, 저수온기의 가을과 겨울에 낮게 나타나 수온과 밀접한 관계가 있었다. 월별 출현종수는 수온이 낮은 2월과 높은 8월에 각 19種과 20種이 出現하여 적었고, 수온이 상승하기 시작한 4월에 37種으로 가장 많았다. 종다양도지수는 0.460∼1.833으로 2월에 가장 높았으며, 6월에 낮았다. 주요 魚種의 出現頻度는 주둥치, 전어, 준치 및 실양태가 年中 出現하여 본 해역에 우점하는 주거종으로 나타났다. To determine seasonal fluctuations in abundance and species composition, fish samples were collected by a bottom trawl from February to December 1997 off Myo-do in Kwangyang Bay. A total of 21,541 fishes were sampled and indentified into 66 species, 38 families and 8 orders. Of the eight orders, Perciformes, Scorpaniformes and Pleuronectiformes accounted for approximately 75.8% of the fish fauna in this area. Gobiidae was dominant representing 8 species. Of 66 species identified, Leiognathus nuchalis, Konosirus punctatus, Engraulis japonicus, Ilisha elongata, Repomucenus valenciennei, Argyrosomus argentatus and Thryssa kammalensis accounted for 95.4% of the individuals collected. Leiognathus nuchalis, Konosirus punctatus, Liparis tanakai, Mugil cephalus, Ilisha elongata, Argyrosomus argentus, Acanthogobius flavimanus, Engraulis japonicus, Hexagramus otakii and Repomucenus valenciennei constituted 88.1% of the total biomass. Fish fauna in both number and biomass were higher in spring and summer, than other in autumn and winter. A peak abundance of total fishes occurred in April: the following abundance July: the lowest abundance in February. The number of species showed some significant seasonal variations however, a larger number of individuals and greater biomass was observed from July to August than October to the next February.
韓景鎬,金容億 여수대학교 1998 論文集 Vol.13 No.2
넙치 친어를 1995년 5월 19일 오전 8시에 경상북도 포항시 종묘배양장에서 건식법으로 인공수정한 후 수정난에서 孵化한 仔魚를 사육하면서 孵化後 50일까지 매일 10개체를 무작위 추출하여 5% 중성 formalin에 고정시킨 뒤 표본을 염색하여 성장에 따른 골격의 정상적인 發達 過程을 관찰하였다. 1. 孵化後 6∼7일째인 全長 3.75∼3.87㎜의 仔魚에서 額骨과 頭蓋骨이 가장 먼저 骨化되기 시작한다. 2. 脊椎骨은 腹椎骨이 먼저 發達하여 尾椎骨 쪽으로 骨化가 진행되며 각 椎骨에 대응하는 神經棘과 血管棘이 椎體보다 먼저 骨化한다. 3. 腰帶骨은 肩帶部의 鎖骨 下部에 접착되어 있다. 4. 담기골은 脊椎骨과 각 지느러미 연조가 거의 완성된 후에 骨化한다. 5. 尾骨의 尾部棒狀骨은 앞의 椎體와 거의 동시에 骨化하기 시작한다. 6. 모든 내부 골격은 全長 14.60∼20.90㎜ 전후(孵化後 40∼50일째)에 肩帶骨과 腰帶骨이 완전하게 骨化됨으로서 모두 완성된다. The flounder, Paralichthys olivaceus (Temminck et Schlegel) used in the experimental were caught at Pohang brook was performed in May 19, 195 and hatched larvae were reared for 50 days to describe the osteological development of larvae and juveniles. Ossification of the cranium took place at 4.75㎜ of mean total length(MTL) in frontal, supraoccipital, parasphenoid and sphenotic. Ossification of the viseral skeleton occurred in areas where active movements of bones were required, notable in the parts for feeding(premaxillary, dentary, articular) and respiration(opercle, prepercle). Vertebrate began to develop from the anterior end and to ossify posteriorly. Neural and haemal spines of vertebrae ossified always prior to the corresponding centra. In jaw bones, maxillary and a part of dentary appeared first at 4.75㎜ of MTL and attained a fundamental structure at 6.47㎜ of MTL. Ossification of all bones was nearly completed at 16.80㎜ in MTL(45 day after hatching).
한국산 붕어(Carassius auratus)의 초기생활사
한경호,진동수,유동재,백승록,황동식 여수대학교 2001 論文集 Vol.16 No.-
The egg development and morphological development of larvae and juveniles of crucian carp, Carassius auratus (Linnaeus) caught at Bosung River, Chollanam-do, in April to June, 1999 were investigated in the laboratory, Yosu National University. In the spawning season, the nuptial organ was appeared on the opercular region and under region of eye, pectoral fin, ventral fin and lateral line. The egg was transparent of yellowish brown color, demersal of adhesive and sperical in shape, measuring 1.49∼1.63㎜ (mean 1.57㎜, n=50) in diameter. The first hatching was occured in 75 hours 10 minutes after fertilization in water temperature 18.3∼21.7℃. Newly hatched larvae attained mean 4.28㎜ had a big yolk sac and their mouth, and anus were not opened yet. At 5 days after hatching, the larvae attained mean 5.34㎜ and the yolk sac was almost absorded. At 13 days after hatching, the larvae attained mean 7.21㎜. The caudal notocord was flexed 45°upward, and they reached post larvae stage. At 31 days after hatching, the larvae, mean 14.68㎜ in TL reached the juvenile stage with all of the fins formed with complete set of the fin rays (D. ⅩII-11∼15; A. Ⅲ-5∼6; P. 15∼16; V. 1-8).
저질에 따른 바지락(Ruditapes philippinarum)의 염분내성
한경호,오성현,장선익,이우범,이원교 國立 麗水大學校 環境問題硏究所 2000 環境硏究論文集 Vol.3 No.-
Salinity tolerance of the manila clam, Ruditapes philippinarum in Gang-jin Bay on the from May to June was investigated in two different types of sedimentary composition. In the experimental groups of sandy-mud, the survival and infiltration rate were good at 20~40ppt, but all the manila clam, Ruditapes philippinarum died at more than 50ppt and less than 10ppt before the experiment finish. In the experimental groups of muddy, the survival and infiltration rate were the best at 25~35ppt and then 20ppt, 40ppt. All the manila clam, Ruditapes philippinarum died at more than 45ppt and less than 15ppt. The survival rate in the experimental groups of sandy-mud was higher than muddy ones, and the infiltration rate was the highest at 20~35ppt in the both of two experimental groups. In the sand-mud, the manila clam, Ruditapes philippinarum infiltrated half of their shells but in the muddy, they infiltrated more then half of their shells.
큰가시고기, Gasterosteus aculeatus aculeatus의 産卵行動, 卵發生 및 仔稚漁期의 形態
韓景鎬,金容億 釜山水産大學校 1989 釜山水産大學 硏究報告 Vol.29 No.1-2
1987年 3月15日에 釜山 松亭洞에 位置한 河川에서 投網에 의해 採捕한 큰가시고기 親魚들을 實驗室에 設置된 水槽에서 飼育하면서, 産卵行動을 觀察하였고, 3月24日에 自然産卵한 卵과 人工受精시킨 卵을 材料로 發生過程과 孵化 仔魚의 成長에 따른 外部形態, 稜鱗의 發達過程 및 內部骨格의 骨化過程을 調査한 結果를 要約하면 다음과 같다. 産卵期의 수컷은 婚姻色이 나타나고, 産卵床을 만들며, 텃세行動을 한다. 受精卵은 卵徑이 1.45∼1.65mm로 淡黃色을 띠고 거의 球形이며 多數의 油球를 가진 沈性粘着卵이다. 孵化에 所要된 時間은 飼育水溫 15.65∼18.85℃(平均, 16.35℃)에서 受精後 177時間만에 孵化하였다. 孵化直後의 仔魚는 全長 5.45∼5.60mm(平均, 5.55mm)로 입이 열리기 시작하고, 肛門은 아직 열려 있지 않다. 孵化後 8日째의 仔魚는 全長 7.25∼8.40mm(平均, 7.76mm)로 卵黃이 完全히 吸收되어 後期仔魚에 달한다. 孵化後 31日째의 個體는 全長 11.70∼14.00mm(平均, 13.53mm)로 D.Ⅲ-14, A.Ⅰ-11, P.10, Ⅴ.Ⅰ-1, C.12로 各 기조가 定數에 달하여 稚魚期로 移行한다. 稜鱗은 孵化後 33日째인 全長 13.15∼14.75mm의 稚魚에서 前方側線鱗이 처음으로 發生하고 孵化後 43日째인 全長 16.25mm의 個體에서 꼬리자루 末端에 後方側線鱗이 發達하여 孵化後 60日째인 全長 26.50mm에서 鱗板이 完成된다. 頭蓋骨 및 內臟骨은 孵化 3日째인 全長 6.85mm에서 骨化되기 시작하여 稚魚期에 달한 孵化 37日째의 全長 14.87mm에 이르러 대부분 骨化한다. 脊椎骨은 앞끝에서 發達을 시작하여 뒷쪽으로 骨化가 進行되며, 神經棘과 血管棘은 對應하는 椎體보다 늦게 骨化한다. 骨格은 孵化 3日째인 全長 5.95∼7.35mm의 仔魚에서 攝餌와 呼吸에 연관된 부분부터 먼저 骨化가 일어나, 빠른 速度로 發達이 進行되어 孵化 45日째인 全長 16.65mm를 前後하여 대부분의 骨格이 完成된다. The purpose of present study is to describe the taxonomy and early life history of three-spined stickelback, Gasterosteus aculeatus aculeatus Linnaeus. The adult male of G. aculeatus aculeatus showed the construction of nest and territorial behavior. A courtship behavior of male induced brooding female to the nest. The female spawn at there, thereafter the male protects the nest until larvae can swim out from the nest. A spawning behavior shows species-specific. G. aculeatus aculeatus take about 177 hours to hatch at 15.65˚-18.85℃. The larvae reached 7.76mm at 6 days and 12.50-14.25mm at 31 days after hatching in total length. When the fish reaches to about 26.50mm in total length, the posterior scutes develop to the caudal keel and the anterior scutes like rhombic shape, the number of them was 8-9 and 22-24, respectively. Ossification of all bones was nearly completed at 16.65mm in total length.