Spawning Behavior, Egg Development, Larvae and Juvenile Morphology of Hyphessobrycon eques (Pisces: Characidae) Characidae Fishes
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Hyphessobrycon eques is a famous fish for ornamental fish market and aquarium. They are inhabit in regionsof Amazon and Paraguay River basin. Serpae fishs were investigated 2–3 males are chased to female, and then malesattempted to simulate the females abdomen. After fertilization, eggs were kept in incubators at 28oC. The fertilized eggs hadadhesive 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 occurredon the third day post hatching. At 45 days post hatching, the larvae were 12.5 ± 1.60 mm LT and had reached the juvenilestage.
Abstract
Hyphessobrycon eques is a famous fish for ornamental fish market and aquarium. They are inhabit in regionsof Amazon and Paraguay River basin. Serpae fishs were investigated 2–3 males are chased to female, and then malesattempted to simulate the females abdomen. After fertilization, eggs were kept in incubators at 28oC. The fertilized eggs hadadhesive 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 occurredon the third day post hatching. At 45 days post hatching, the larvae were 12.5 ± 1.60 mm LT and had reached the juvenilestage.
참고문헌 (21)
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