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- The pyloric caecal index dropped prior to the spawning season. (二)、此 种海星主要以底藻、细菌和有机碎屑为食，饲养容易；
- A male salmon or sea trout during or shortly after the spawning season. 在产卵期间或期后的雄鲑或雄鳟
- Dredging works shall not be carried out between May and December each year to avoid flowering season for seagrass and the spawning season for corals. 挖泥工程不可在每年的五至十二月间进行,以避开海草的开花及珊瑚的产卵季节。
- Blasting operations in major fishing waters or other operations that may cause damage to the fishery resources shall not be conducted within the spawning season of major economic fish and shrimps. 在重要渔业水域进行炸药爆破作业或者进行其他可能对渔业资源造成损害的作业活动的，应当避开主要经济类鱼虾的产卵期。
- So could the disappearance of chinook salmon from the waters off California and Oregon last year; the population during the spawning season was 88% below its all-time high in 2003. 去年加利福尼亚和俄勒冈海域的大鳞大马哈鱼的绝迹也是如此，在产卵季节鱼群数量比2003年的峰值低88%25。
- A PROBE INTO THE SPAWNING SEASON OF ANDRIAS DAVIDIANUS 大鲵繁殖盛期的初步探索
- a male salmon or sea trout during or shortly after the spawning season 在产卵期间或期后的雄鲑或雄鳟
- Studies on the hematology of Mystus macropterus in the spawning season 繁殖季节大鳍鳠血液学的初步研究
- ON THE EARLY DEVELOPMENT, THE SPAWNING GROUND AND SPAWNING SEASON OF NAVODON SEPTENTRIONALIS (GUNTHER) IN THE DONG HAI 东海区绿鳍马面?的早期发育和产卵场、产卵期的探讨
- 9 Dredging works shall not be carried out between May and December each year to avoid flowering season for seagrass and the spawning season for corals. 挖泥工程不可在每年的五至十二月间进行，以避开海草的开花及珊瑚的产卵季节。
- A bluefin tuna can release 10 million fertilized eggs in a spawning season. 在产卵季节，一只金枪鱼能产一千万只受精卵。
- Seabream supplies are decreasing slightly due to the natural spawning season. 由于正值产卵季节，尖吻鲈的供给有所下降。
- Frog reproduce through the spawn. 青蛙通过产卵繁殖.
- the spawning season. 产卵期
- The moon also triggers the spawning of dog and cubera snappers. 月亮也激发了狗啮鱼和古布拉金线鱼的繁殖。
- The two-week moratorium is intended to protect a rare local species, the Penghu octopus, during their spawning season. 此为期两周的禁捕是为于产卵期保护稀有的在地物种澎湖章鱼。
- And when the breeding season came, he refused to join in the spawning, saying, “I’ve swum around the entire world. 最后，一条年长的青鱼游到他面前，说：“听着，如果你不和我们一起产卵的话，有些青鱼卵就不能受精，就不能孵出健康的小青鱼。
- The body colour is generally solid black to greyish.During spawning season, males exhibit dark black body colour and their unpaired fins are lined with bluish edges. 躯干一般全黑或灰色，每逢繁殖季节雄鱼体色便会转为深黑色，背鳍、臀鳍和尾鳍边缘泛蓝白色。
- A raincoat is a must in the rainy season. 在雨季雨衣是必备之物。
- I found a mass of spawn in the fish before cooking. 烧鱼前，我发现鱼里有很多鱼籽。
