• Korean Journal of Ichthyology
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• v.11 no.2
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• pp.155-162
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• 1999

To study the distribution of larva and juvenile of the sand eel, Ammodytes personatus in the Kangwon coastal, samples were collected by the larva net (RN 80 net) and small drag net at 60 stations from January 1996 to December. Appearance season of larva and juvenile of sand eel was appeared untill the January to June in the Kangwon-do coast, and the densities of them were high in June. Appearance phase, length frequency distribution of larva and juvenile of sand eel were distributed that the average standard length 10.0~30.0mm in the temperature range of $5.0{\sim}6.0^{\circ}C$ at the January to March, and April to June occurred the average standard length 40.0~80.0 mm in the temperature range of $7.2{\sim}12.0^{\circ}C$. It was distributed in southern part of Kangwon-do coast until the February to March 1996. And association of the sand eel migrated to the northern and middle part of Kangwon-do coast at April when surface water temperature was higher than $7.2^{\circ}C$. It was considered that the migration of the abundance larva and juvenile of sand eel in this area is mainly affected by the water temperature.

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.13 no.2
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• pp.5-7
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• 1977

The sand-eel Ammodytes persona/us GIRARD, one of the important fish species in commercial fishing, is found abundantly around the coast of Korea. The author determined the morphological index of the fish after spawning. The samples were caught by the set-net at Jllmllnjin, located ['I Ihe east coast of Korea. 1. The relation between the total length L and the body weight W is represented as $$ W=O. 00l0114L^{2.7281024} $$ 2 Vertebrae number is represented as 64.597 \ulcorner 1.307

• Journal of the Korean Society of Fisheries and Ocean Technology
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• v.15 no.1
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• pp.1-3
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• 1979

The sand-eel, Ammodytes personatus GIRARD, "Kka-na-ri" is an important commercial fish inhabiting the coastal waters of Korea. The numbers of vertebrae (except urostyle) waR statistically analysezed based on the samples collected at three major fishing localitie" Jumunjin (East Sea), Geoje Island (southern coast) and Baegryeong Island (Yellow Sea) from May 1978 to June 1979. It was found that there was a very distinct difference in the numbers of vertebrae in the samples.rae in the samples.

• Development and Reproduction
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• v.1 no.1
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• pp.91-97
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• 1997

In order to study the reproductive physiology of Sand ell(Hypoptichus dybowskii) catched at kangwon-do, Wooamjin Bay, spawning and egg development were investigated in April and May, 1996. The observed spawning period was from the middle of April to the end of May with the water temperature above $8^{\circ}$C. Body size and colouration were distinguished between male and female. The type of testicular structure is lobular, and the ovary is a pair of sac-sahaped covering with a fibromuscula capsule and comprising a mature egg of average 86. The unfertilzed egg are demersal and adhesive, and their diameter were 1.65-1.95 mm. the colour of yolk is light yellow and contained a lot of tiny oil globules. The average spawned egg was 62 in sargasso weeds. Hatching was observed in 12 days after fertilization with the water temperature of 14 ${\pm}1^{\circ}$C. The average size of larva after hatching was 6.85${\pm}$0.23mm in total length, and larva were containing yolk including globule.

• Fisheries and Aquatic Sciences
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• v.18 no.2
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• pp.203-209
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• 2015

Low-value fish is the most commonly used feed in Asian fish farms despite the fact that its application is controversial in regard to the sustainability and biosecurity of aquaculture. In this study, the causal agent of a disease outbreak at a Korean rockfish Sebastes schlegeli farm was investigated to determine whether the low-value fish used at the farm was the source. Infected Korean rockfish and Pacific sand eel used as feed were sampled from the farm, and bacterial cultures recovered from the internal organs of all sampled rockfish were isolated as pure cultures and later identified as Vibrio harveyi. The causal agent of the disease was also isolated from the kidneys of some of the sampled Pacific sand eels. This study provides additional evidence that the low-value fish used as feed at fish farms can be a key source of infectious diseases.

• Proceedings of the Korean Society of Veterinary Clinics Conference
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• 2009.10a
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• pp.269-269
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• 2009

• Korean Journal of Fisheries and Aquatic Sciences
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• v.24 no.2
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• pp.89-98
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• 1991

Food habits of Sand eel, Ammodytes Personatus, in the costal waters, Shinsudo, Samchunpo, was studied from March to May, 1988. Main food item was Calanus sinicus. Although food diversity increased with age, evenness decreased with age. Importance indices of food items of Paracalanus Parvus and Corycaeus latus were high in younger age. But that of sagitta crassa and Gammaridae were high in older age. As while, that of Ca. sinicus was very high in every age. Food items of A. personatus were equal to all groups except 0.5 month group because it had the complete digestive tract after 1.5 month group.

• Korean Journal of Fisheries and Aquatic Sciences
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• v.7 no.4
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• pp.215-220
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• 1974

The sand-eel, Ammedytes Personatus is a commercially important fish abounantly found in west and east coast of Korea. Samples were collected from the Baegryeong Island (Yellow Sea), Geoje Island(southern coast) and Jumunjin (East Sea) from May 1973 to December 1974. In this paper the author dealt with some biological point of the fish, especially the relationship between total length ang body weight, and the major spawning season and sex ratio. 1. The major spawning season was confined to the end of November and the end of December at Jumunjin. 2. The sex ratio (male/female) is 0.75 before the main spawning season and increases up to 1.36 after spawning at Jumunjin in 1974. 3. The relationship between the total length (L) and body weight (In were represented as follows: $W=0.0001906L^{3.1998319}$ for the sample from Baegryeong Is. $W=0.0003419L^{3.0213438}$ for the sample from Geoje Is. $W=0.0002655L^{3.1408629}$ for the sample from Jumunjin.

• Journal of Veterinary Clinics
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• v.31 no.3
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• pp.212-215
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• 2014

The aim of the study was to identify the effects of two different diets (sand eels or saurels) on the serum protein electrophoretic patterns of Oriental White Storks held in captivity. The tests were performed on two groups of storks according to the diet (group 1 and 2). Twenty-two (group 1) or twenty-nine (group 2) storks were included. The values of complete blood count (CBC), serum biochemistry profiles, protein fractions (albumin, ${\alpha}$-globulin, ${\beta}$-globulin, and ${\gamma}$-globulin), and lipoprotein (high density- [HDL] and low density lipoprotein [LDL]) were compared between samples obtained during two groups (p < 0.05). The ${\alpha}$-globulin fraction was decreased and the ${\beta}$-globulin fraction was significantly increased in samples obtained from group 1 compared to those obtained from group 2. In group 1, the concentration of LDL was also significantly increased compared to that of group 2. In conclusion, we confirmed that the ${\beta}$-globulin fraction was significantly elevated in storks fed sand eels.

• Journal of Fisheries and Marine Sciences Education
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• v.26 no.2
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• pp.421-429
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• 2014

We investigated the feeding ecology of juvenile chum salmon (Oncorhynchus keta) during the critical early life stage prey selectivity of juvenile chum salmon during early marine migration in Korean waters at spring 2011. Salmon juveniles and zooplanktons were collected to draw with $20m{\times}5m$ gill net and $300{\mu}m$ mesh zooplankton net at each station on 11th-13th April n 2011. Collected zooplanktons were classified to 5 Phylum, 6 Class, 9 Order 17 Species in this study. Almost 76.4-100% species were classified to Phylum Arthropoda, dominant species was a species out of Hyperia galba of Order Amphipoda, Acartia spp and Paracalanus parvus of Order Calanoida. Collected salmon juveniles were grew up to average 4.7-5.4 cm fork length and average 1.0-1.5 g wet weight in whole station. Fish stomach content (mg/salmon) was heaver to 97.4, 82.4 and 63.2 mg wet weight/salmon in ST 2, 3, 4 than 20.4, 18.9 mg/salmon of ST 1, 5, because there are fish (sand eel, Hypoptychus dybowskii) and Krill (Euphausia) as prey in salmon stomach in ST 2, 3, 4. And ST 2, 3, 4 and 5 were dominated by Amphipoda as Hyperia galba, Themisto japonica and Gammarus sp., but ST 1 was dominated by copepod, because of absence of Amphipoda in the station. Therefore small Amphipoda as Hyperia galba was good prey for just released salmon juvenile in nature.