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Gasterosteus aculeatus   picture (Gaacu_l0.jpg) by Pinder, A.C. , FBA   
Gasterosteus aculeatus

 
Size (cm):  
Locality: United Kingdom,  
Sex/Stage: larvae 
Date:  
Reference: Pinder, A.C., 2001. Keys to larval and juvenile stages of coarse fishes from fresh waters in the British Isles. Freshwater Biological Association. The Ferry House, Far Sawrey, Ambleside, Cumbria, UK. Scientific Publication No. 60. 136 p.  
Remark: Stage 1 - free embryos (with yolk sac), with 14 pre-anal myomeres and 16 post-anal myomeres. One large oil globule at anterior of yolk. Permission to use photos given by Dr Roger Sweeting of FBA. 
Entered: Sweeting, Roger - 02.05.02
Checked: Pinder, Adrian C.- 02.05.02
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