[논문]벵에돔, Girella punctata과 긴꼬리벵에돔, G. leonina의 외부계측형질 비교

임상구; 정민환; 이태호; 길현우; 박인석

doi:10.13000/jfmse.2016.28.6.1848

벵에돔, Girella punctata과 긴꼬리벵에돔, G. leonina의 외부계측형질 비교
Comparison of Morphological Characteristics between Smallscale Blackfish, Girella leonina and Largescale Blackfish, G. punctata 원문보기

水産海洋敎育硏究 = Journal of fisheries and marine sciences education, v.28 no.6 = no.84, 2016년, pp.1848 - 1857

임상구 (국립수산과학원) , 정민환 (국립수산과학원) , 이태호 (한국해양대학교) , 길현우 (한국해양대학교) , 박인석 (한국해양대학교)

Abstract ▼ AI-Helper

In order to discriminate the morphologically analogous smallscale blackfish, Girella leonina and largescale blackfish, G. punctata, various methods were used by using biometric and geometric approaches. Morphometric analysis showed considerable 19 differences of total 44 morphometric dimensions: classical dimension 1 part; truss dimension 12 parts; and head part dimension 6 parts (P < 0.05). Some differences of morphological features primarily involved in caudal part of truss dimension. Our results of this study confirmed that two species adequately can distinguish with external body shape, and we hope that the results of our study could be used to identify in Girellidae family as taxonomical parameters.

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제안 방법

Results of morphometric investigation were apparently different individual traits, transverse and convergent CD method shows the greatly nonsignificant, TD was recorded significant differences between those samples, truss network systems were used to construct a anatomical distance for accurately analysis. So, it was definitely showed that discriminant results of TD is an effective method for identifying fish populations of closely related species.
, 2007). These two species look alike externally, but there are differences in their industrial applicability, so it is necessary to investigate and classify the characteristics of the biometric traits of G. leonina and G. punctata in detail. Previous studied Haruo et al.
Two species had showed conspicuously different crescent shaped tail shape [Figs. 1b and 2b], therefore we constructed 11 distances and 6 landmarks to completely analyze. As shown in [Table 3], on the basis of origin of above caudal fin base (OACFB), G.

대상 데이터

The smallscale blackfish, Girella leonina, and largescale blackfish, G. punctata were obtained from Future Aquaculture Research Center (FARS), National Fisheries & Development Institute (NFRDI) in Jeju island, Korea.
The study was performed in triplicate, and the results are reported as means±SD (n=100), unless otherwise stated.

데이터처리

*The values are means±SD (n=100). Data of each experimental group were analyzed using t-test on data transformed to the arc sine of the square root. NS: not significant; *: indicate statistical significance between morphometric distances (P < 0.
*The values are means±SD (n=100). Data of each experimental group were analyzed using t-test on data transformed to the arc sine of the square root. NS: not significant; *: indicate statistical significance between morphometric distances (P < 0.
The data were analyzed with Student’s t-test using the SPSS statistical package (SPSS 9.0, SPSS Inc., Chicago, IL, USA), and were considered significantly different at P < 0.05.

성능/효과

As shown in [Table 3], on the basis of origin of above caudal fin base (OACFB), G. leonina had greater values in 3X4 and 3X6 (P < 0.05) and 3X5, 3X7 and 3X8 were not found significantly correlated (P > 0.05).
Followed by, center of caudal fin base (CCFB) had 2 results, G. leonina had greater value in 5X6 (P < 0.05), while G. punctata has greater values in 5X8 (P < 0.05).
In conclusion, the present study provided that phenotypic discrimination in body shape differentiation suggest the apparently evidence to demonstrate a comparison between G. leonina and G. punctata. We induced the basic morphological research about the Girella species and hope to the further investigations are supplemented.
Measurement values of HD were comfirmed differences, G. leonina has graeater values in distance of eye to snout and nostril to snout, however G. punctata has greater values in distance of eye to operculum and nostril to operculum. It means that two species can be distinguished by observation of the head part.
On the basis of above of nostril (AN), 2X3 was not found significantly correlated (P > 0.05), G. punctata had greater value than the other in 2X4 and G. leonina had greater value than the other in 2X5 (P < 0.05).
Phenotypic variations in this study were appreciably observed that morphological differences between smallscale blackfish, Girella leonina, and largescale blackfish, G. punctata, were discriminately analyzed by multivariate measurements. In general, other studies were demonstrated that the morphological variances in external body shape and traits within fish populations were determined by vulnerably environmental change and various situation adaptability (Todd et al.
Results of HD cluster analysis showed that G. leonina has greater values in longitudinal distances and G. punctata has larger horizontal distances (P < 0.05).
Results of TD dimensions showed that G. leonina had greater values than G. punctata in overall caudal parts (P < 0.05).
Weighing on average, G. leonina had 977±90.6 g, G. punctata had 912±93.7 g and measuring standlard length (SL) on average, G. leonina had 38.6±3.17 cm, G. punctata had 36.5±3.22 cm.

참고문헌 (18)

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