•Seaspiders –havesmall,thinbodieswith4ormorepairsof walkinglegs –onlymarineinvertebrateknownwherethe malecarriestheeggs(withanextrapairof appendages) –palps—appendagesusedinsensation –feedonjuicesfromcnidariansandothersoft- bodiedinvertebrates,usingalongsucking proboscis Mandibulates •Crustaceans—marine...