EFFECTS OF TANK BACKGROUND COLORS AND SALINITIES ON GROWTH PERFORMANCE AND SURVIVAL RATE OF JUVENILE YELLOW SEAHORSE (Hippocampus kuda Bleeker, 1852)

Phạm Minh Tứ; Vũ Ngọc Út; Hồng Mộng Huyền

doi:10.34238/tnu-jst.9105

EFFECTS OF TANK BACKGROUND COLORS AND SALINITIES ON GROWTH PERFORMANCE AND SURVIVAL RATE OF JUVENILE YELLOW SEAHORSE (Hippocampus kuda Bleeker, 1852)

About this article

Received: 31/10/23 Revised: 05/01/24 Published: 03/02/24

Authors

1. Pham Minh Tu, Kien Giang University
2. Vu Ngoc ut, Can Tho University
3. Hong Mong Huyen , Kien Giang University

Abstract

Yellow seahorse (Hippocampus kuda Bleeker, 1852) is valuable for pharmaceutical, economy, and biodiversity. However, it is considered a species classified as vulnerable (VU) level by IUCN. Therefore, yellow seahorse needs to be protected, conserved, and developed. Farming is one of promising strategies to develop the population of Yellow seahorse. The study was conducted for evaluation of the growth ability of yellow seahorses in captivity, which is an important step in the attempt of yellow seahorse breeding and farming. Seahorse fry were raised in tanks with different colors, including red, black, blue, white and yellow. Moreover, the juveniles were also cultivated under different salinities of 15 ppt; 20 ppt, 25 ppt and 30 ppt. The results showed that survival rate of the juveniles in dark colors such as red, blue and black (40 - 41.67%) was significantly higher than that in bright color tanks (p<0.05). In term of, there were not any significantly differences in the survival rates and normal growth under salinity levels. Salinity ranging from 15 ppt to 30 ppt is suitable for rearing juvenile of yellow seahorses. The findings are a scientific basis, generally contributing to domestication and production of yellow seahorse under captivity condition. The research is also one of early steps of conservation and development of this species.

Keywords

Hippocampus kuda; Juvenile yellow seahorse; Salinities; Survival rate; Tank background colors

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DOI: https://doi.org/10.34238/tnu-jst.9105

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