推介理由:宝石斑鱼头尾较小,背部肌肉肥厚,无肌间小刺,鱼肉覆盖率高达58％,肉质白而细嫩、味道鲜美、胶性强、无腥味、异味,富含18种氨基酸。其极具特色的肉质和较高的营养价值,在世界众多国家的海鲜市场上享有很高的美誉。成鱼可经加工成肉片冷藏包装直接销往欧美市场。此鱼在美国称为翡翠鱼,在美国市场每千克鱼肉售价20美元以上,是出口创汇的理想品种,国内外市场销路一再被看好。形态特征:该鱼头尾小、口端位、头后背部渐拱起,腹部浑匾,鱼体呈纺缍形,体表被栉鳞,体长是体宽的2倍,侧线明显可见。背刺、膀刺、臀刺都有硬刺,体色浅蓝,体侧有多个或一、二个黑色发亮的大小规则的圆形斑块及零星散布的小斑块,尤如镶嵌了美丽的宝石,在水中美不胜收,十分诱人,因而得其美名“宝石斑”鱼。生活习性:宝石斑鱼是一种温水性淡水鱼类,喜欢在水的中层偏上集群游动。有很强的集群争食饵料的习惯。该鱼为杂食性,人工饲养可投喂硬颗粒饲料,适宜生长水温为10-40℃,最佳生长水温为21-30℃,pH值为5．5-8．5,溶氧要求2．5毫克／升以上,盐度在0．3％-4．0％内均可正常生长。据此特性, 此鱼不仅适合池塘养殖,还适合网箱及工厂化饲养,澳大利亚工厂化饲养的每立方米水水体可养殖 120千克。 Recommended reason: Grouper smaller head and tail, back muscle hypertrophy, no inter-muscle spines, fish coverage up to 58%, white and delicate meat, delicious, strong glue, no smell, smell, rich in 18 species Amino acids. Its distinctive meat quality and high nutritional value, in many countries in the world seafood market enjoyed a high reputation. Adult fish can be processed into meat pieces refrigerated packaging sold directly to Europe and the United States market. This fish is called emerald fish in the United States. It is sold for more than 20 U.S. dollars per kilogram of fish in the U.S. market. It is an ideal type of foreign exchange earning foreign exchange. Market sales in both domestic and overseas markets are repeatedly valued. Morphological characteristics: The head and tail of the fish, the mouth position, the back of the head gradually arched, abdomen plaque, the fish was spiraled shape, body surface was cellar, body length is 2 times the body width, the sideline is clearly visible. Backstab, bladder, gluteal have spines, body color light blue, the body side of the number of one or two black shiny rules of the circular plaque and sporadic scattered small plaque, as the mosaic A beautiful gem, beautiful in the water, very attractive, and thus its reputation as “gem spot” fish. Habits: Grouper is a warm water freshwater fish, like the middle of the water in the upper part of the group swimming. There is a strong habit of fighting food groups. The fish is omnivorous, artificial feeding can be fed hard pellets feed, suitable growth temperature of 10-40 ℃, the optimum growth temperature of 21-30 ℃, pH 5.5-8.5, dissolved oxygen requirements 2. Above 5 mg / L, salinity can grow normally within 0.3% -4.0%. According to this characteristic, this fish is not only suitable for pond culture, but also suitable for cages and factory rearing, and can plant 120 kg per cubic meter of water in Australia factory farming.