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{{toplink
{{toplink
|linkpage =Crustacea
|linkpage =Crustacea
|linktext =CRUSTACEA
|linktext =CRUSTACEA
}}
}}
[[Image:Sea Lice.jpg|right|thumb|200px|Sea Lice - Copyright Joseph G. Kunkel at The Kunkel Fish & Aquatic Invert Site]]
[[Image:Sea Lice.jpg|right|thumb|200px|Sea Lice - Copyright Joseph G. Kunkel at The Kunkel Fish & Aquatic Invert Site]]
<FlashCard questions="4">
|q1=By which other name is ''Linguatula serrata'' known and why?
|a1=
*The tongue worm
*Is shaped like a tongue with an expanded anterior and transverse striations
|l1=Crustacea#Linguatula serrata
|q2=Summarise the life cycle of ''Linguatula serrata''.
|a2=
||<font color="white"> <big>
*Adults inhabit the nasal passages of dogs (and sometimes cats)
*'''''The tongue worm'''''
*Eggs are sneezed out or passed with the faeces and are swallowed by herbivores
*'''''Is shaped like a tongue with an expanded anterior and transverse striations'''''
*Eggs hatch in the herbivore intestine and migrate to the mesenteric lymph nodes
||[[Crustacea#Linguatula serrata|<span title="Answer article">Link to Answer Article</span>]]
*Larvae encyst to become infective nymphs
*When dogs eat uncooked viscera the nymphs crawl up the nasal cavity via the soft palate
|l2=Crustacea#Linguatula serrata
||<font color="white"> <big>
|q3=What are the two species of sea lice of veterinary importance?
*'''''Adults inhabit the nasal passages of dogs (and sometimes cats)'''''
|a3=
*'''''Eggs are sneezed out or passed with the faeces and are swallowed by herbivores'''''
*Lepeophtheirus
*'''''Eggs hatch in the herbivore intestine and migrate to the mesenteric lymph nodes'''''
*Caligus
*'''''Larvae encyst to become infective nymphs'''''
|l3=Crustacea#Sea Lice
*'''''When dogs eat uncooked viscera the nymphs crawl up the nasal cavity via the soft palate'''''
|q4=What do heavy infections of sea lice lead to?
||[[Crustacea#Linguatula serrata|<span title="Answer article">Link to Answer Article</span>]]
|a4=Epidermal abrasion
*Haemorrhage
*Immunosuppression
||<font color="white"> <big>
*Decreased productivity
*'''''Lepeophtheirus'''''
*Death
*'''''Caligus'''''
|l4=Crustacea#Sea Lice
||[[Crustacea#Sea Lice|<span title="Answer article">Link to Answer Article</span>]]
</FlashCard>
||<font color="white"> <big>
*'''''Haemorrhage'''''
*'''''Immunosuppression'''''
*'''''Decreased productivity'''''
*'''''Death'''''
||[[Crustacea#Sea Lice|<span title="Answer article">Link to Answer Article</span>]]