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Research Article
The dynamics of reproductive rate, offspring survivorship and growth in the lined seahorse, Hippocampus erectus Perry, 1810
Qiang Lin, Gang Li, Geng Qin, Junda Lin, Liangmin Huang, Hushan Sun, Peiyong Feng
Biology Open 2012 1: 391-396; doi: 10.1242/bio.2012398
Qiang Lin
1Key Laboratory of Marine Bio-resource Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, P. R. China2Vero Beach Marine Laboratory, Florida Institute of Technology, Vero Beach, FL 32963, USA
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  • For correspondence: linqiangzsu@163.com
Gang Li
1Key Laboratory of Marine Bio-resource Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, P. R. China
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Geng Qin
1Key Laboratory of Marine Bio-resource Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, P. R. China
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Junda Lin
2Vero Beach Marine Laboratory, Florida Institute of Technology, Vero Beach, FL 32963, USA
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Liangmin Huang
1Key Laboratory of Marine Bio-resource Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, P. R. China
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Hushan Sun
3Key Laboratory of Biotechnology, School of Life Sciences, Ludong University, Yantai 264025, P. R. China
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Peiyong Feng
3Key Laboratory of Biotechnology, School of Life Sciences, Ludong University, Yantai 264025, P. R. China
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    Fig. 1. Brood size, offspring survivorship and growth of young pair parent seahorses Hippocampus erectus at first 6 successive births.

    1st (n = 21 broods), 2nd (n = 16), 3rd (n = 15), 4th (n = 12), 5th (n = 11) and 6th (n = 10), respectively. Different superscripts indicate the significant difference among the treatments (P<0.05).

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    Fig. 2. The relationships between brood size and brood pouch length.

    Scatter-plots and linear regression lines for the relationships between brood size and brood pouch length of male seahorses Hippocampus erectus (95% confidence bands); between brood size and the trunk length of females (95% confidence bands) for the first 6 successive births.

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    Fig. 3. Brood size and offspring survivorship under different ages.

    Brood size and offspring survivorship under different ages (M1: F1, M2: F1, M1: F2 and M2: F2) of pair parent seahorses Hippocampus erectus. Different superscripts indicate the significant difference among the treatments (P<0.05). M1, 1-year old male seahorse; F1, 1-year old female seahorse; M2, two years old male seahorse; F2, two years old female seahorse.

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    Fig. 4. Brood size of four successive births by male seahorses Hippocampus erectus in the two groups (TR-1, TR-2).

    In TR-1 groups: male and female seahorses were cultured together (broods per birth: n = 10, 10, 9 and 8); in TR-2 groups: females were isolated (n = 11, 9, 9 and 8) (ANOVA-Tukey HSD analysis: n = 74, F7, 66 = 0.89, P = 0.513; 95% confidence bands).

  • Fig. 5.
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    Fig. 5. Survivorship and frequency distribution.

    Survivorship and frequency distribution by standard body length growth comparison of juvenile seahorses Hippocampus erectus in TR-1 and TR-2 after 5-week culture.

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Research Article
The dynamics of reproductive rate, offspring survivorship and growth in the lined seahorse, Hippocampus erectus Perry, 1810
Qiang Lin, Gang Li, Geng Qin, Junda Lin, Liangmin Huang, Hushan Sun, Peiyong Feng
Biology Open 2012 1: 391-396; doi: 10.1242/bio.2012398
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Research Article
The dynamics of reproductive rate, offspring survivorship and growth in the lined seahorse, Hippocampus erectus Perry, 1810
Qiang Lin, Gang Li, Geng Qin, Junda Lin, Liangmin Huang, Hushan Sun, Peiyong Feng
Biology Open 2012 1: 391-396; doi: 10.1242/bio.2012398

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