On the basis of Pagrosomus major's biology and behavior characteristic, a Pagrosomusmajor grading equipment fitted for deep sea cage was designed and manufactured.
以此为基础，运用分离原理，根据真鲷生物学和行为学特性，研制了适用于大型深海网箱真鲷养殖的分级设施。
2
The results indicated that the viral infection, mainly spleen involved, may be the cause of mad swimming and acute death of larva of Pagrosomus-major.