英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：

alevin    

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Juvenile fish - Wikipedia
    After 2 to 6 months the eggs hatch into tiny salmon larvae called sac fry or alevin These hatchlings have a yolk sac containing the remainder of the yolk and they stay hidden in the gravels for a few more days, as they are still largely immobile and rely on the remaining nutrients stored in the sac for survival
  • Alevin - Salmon facts
    At this stage, they are called Alevin and are about one inch in length During the next month, the alevin will remain hidden in the gravel nest and feed from the nutrient-rich yolk sac until it is completely absorbed
  • Why Most Salmon Alevins Don’t Survive - A-Z Animals
    For salmon specifically, one of the key stages in its life cycle is the alevin stage The alevin stage is the period that occurs after salmon hatch from their eggs
  • ALEVIN Definition Meaning - Merriam-Webster
    The meaning of ALEVIN is a young fish; especially : a newly hatched salmon when still attached to the yolk sac
  • Life Stage Cheat Sheet - U. S. Fish and Wildlife Service
    The yolk sacs attached to the abdomen of alevin contain protein, sugar, minerals and vitamins that sustain the alevin as they learn to swim and navigate their aquatic environment
  • The Salmon Life Cycle - U. S. National Park Service
    Overview: The anadromous life history strategy of salmon plays a key role in bringing nutrients from the ocean back into rivers and the wildlife community Though it
  • What Are Young Salmon Called? The Names for Baby Salmon at Each Stage
    A salmon is called an alevin, a fry, a parr and a smolt before it is considered an adult It takes about four years for a salmon to reach maturity since it must go through many stages of growth before it can swim in salt water
  • 09_Salmon Facts Cards Updated-Alevin
    Alevin The yolk sac attached to the abdomen of alevins contain protein, carbohydrates, minerals and vitamins that provide the young fish with food as they learn to swim and navigate their aquatic environment
  • Alevin – Fishionary
    An alevin is a newly hatched salmon or trout that still has its yolk-sac attached The yolk-sac provides the alevin nourishment for the first 2-3 weeks after hatching
  • What Are Baby Trout Called at Each Life Stage?
    The first name a trout receives after hatching from the egg is Alevin, a stage sometimes also referred to as sac fry The defining characteristic of the alevin is the large, spherical yolk sac attached to the underside of its body





中文字典-英文字典  2005-2009