叶海龙和气泡鱼.ppt

Catherine 110206130,Nola110206120,Animals in Australia,Why are there so many unique animals in Australia？,Separation from other continents,No competition against other species,Reason 1,Reason 2,Steady crustal movement,Slow process of evolution,Leafy Seadragon叶海龙The Most Gorgeous Swimmer in the World,Leafies Syngnathidae 海龙科 Emblem象征,About appearance,About location,About food,About reproduction,About threats,Leafy Seadragon叶海龙,About Appearance,1、How big？30-45cm（baidu）20-24cm（wikipedia）,2、What are the leaves for？,A Help them swim.B Serve as camouflage.（camouflage伪装，掩饰）,About Location,Where do they inhabit？Under the reef暗礁In the shallow waters（4-50m）Along the southern and western coasts of Australia,About Food,1、How do they eat？By a pipe-like snout猪嘴!,2、What do they eat？Small crustacea小型甲壳纲动物 and plankton浮游动物.（e.g.shrimps）,About Reproduction,Eggs,6-9 weeks,5%Survival rate！,About ThreatsBoth Natural and Man-made,1、Of high medical value（extremely vulnerable when newly born and after storms）2、Pollution and industrial runoff,Blobfish气泡鱼，水滴鱼,the Worlds Ugliest Animal,Blobfish,Deep sea fish Psychrolutidae 隐棘杜父鱼科 Mascot of the the Ugly Animal Preservation Society,About appearance,About location,About food,About threats,Blobfish,About Appearance,1、Not longer than 30cm.2、Flesh Gelatinous（凝胶状的）Density（密度）No muscle,3、Teeth？,About Location,1、Where do they inhabit?In the deep waters.Southeastern Australia and Tasmania.2、How deep?600-1200m3、Why do they inhabit there?,About Food,1、What do they eat?Deep-ocean crustaceans and plankton,such as lobsters and crabs.2、How do they eat?,About Threats,Bottom trawling！Bycatch！,Endangered！,