摘要
本文研究了眼斑拟石首鱼生长的特性以及外界因素对其生长的影响。未成熟鱼体重与体长关系为W=0.0123SL^(3.0511)(r=0.9919,3.5≤SL≤42cm),成熟鱼其关系为W=0.0042SL^(3.2422)(r=0.9098,70≤SL≤93cm);此鱼幼鱼全长与体长呈直线关系TL=1.1506SL+0.2866(r=0.9852,3.0≤SL≤7.5cm)。在适宜的温度条件下(尤其在23～28℃)鱼的生长快速,平均最大生长率达4.88g/d。在海水养殖中引起鱼死亡的临界DO值为2.0mg/dm^3左右。我国北方养殖一年鱼的体重可达500g,南方可达1000g左右。其生长率第一年大于1.16g/d,第二年大于2.14g/d,第三年大于3.97g/d,该种鱼在我国是一种有发展前途的新品种。
This paper studies the general law for the growth of red drum (Sciaenops ocellatus), its peculiar growth characteristics and effect of outside factors on its growth. The relationship between the body weight and standard length for the non-mature red drum is W = 0. 0123SL3.0511(r=0. 9919,3- 5<SL<42cm) ,and for the mature one is W=0. 0042SL3.2422(r= 0. 9098,70<SL<93cm). The relationship between the total length and standard length of juvenile red drum appears straight line TL= 1.15065L+0. 2866(r = 0. 9852, 3. 0<SL<7. 5cm). This fish grows very fast, especially under the temperature 23-28℃, with its average maximum growth rate of 4. 88g/d. The critical level of dissolved oxygen concentration is about 2. 0mg/dm3. for mariculture. In the north of China,the body weight can reach 500g and in the south 1000g after one year's cultivation. Its growth rate is >1.16g/d for the first year,> 2.14g/d for the second year and >3. 97g/d for the third year. It's a new breed and has a very bright future in China.
出处
《海洋通报》
CAS
CSCD
北大核心
1997年第5期36-42,共7页
Marine Science Bulletin
