. ▁The ▁oper cul um ▁car ries ▁a ▁hook - sh aped ▁sp ine ▁and ▁four ▁or ▁five ▁hyp ur als ▁are ▁present . ▁Art ed id ra con idae ▁have ▁ 3 3 ▁to ▁ 4 1 ▁verte bra e . ▁The ▁name ▁Art ed id ra con idae ▁is ▁derived ▁from ▁a ▁combination ▁of ▁Art edi ▁( from ▁Peter ▁Art edi , ▁the ▁" father ▁of ▁ich thy ology ") ▁and ▁the ▁Greek ▁d rak ō n ▁( δ ρ ά κ ω ν , ▁drag on ). ▁A ▁mental ▁bar bel ▁is ▁a ▁characteristic ▁of ▁this ▁family ; ▁the ▁morph ology ▁of ▁this ▁bar bel ▁is ▁variable ▁with ▁the ▁species . ▁Species ▁of ▁Art ed id ra con idae ▁are ▁said ▁to ▁have ▁spe ci ated ▁sym pat r ically . ▁ ▁References ▁ ▁Category : Ar ted id ra con idae <0x0A> </s> ▁R ó bert ▁Sch aff haus er ▁is ▁a ▁Hung arian ▁s print ▁can o er ▁who ▁competed ▁in ▁the ▁early ▁ 1 9 7 0 s . ▁He ▁won ▁a ▁silver ▁medal ▁in ▁the ▁K - 1 ▁ 4 ▁x ▁ 5 0 0 ▁m ▁event ▁at ▁the ▁ 1 9 7 3 ▁I CF ▁C ano e ▁S print ▁World ▁Championships ▁in ▁T amp ere . ▁ ▁References ▁ ▁Category : H ung arian ▁male ▁can oe ists ▁Category : L iving ▁people ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : IC F ▁C ano e ▁S print ▁World