Answer: lampreys

AnswerCrossword Clue
LAMPREYSEellike parasites
LAMPREYSEels' lookalikes
LAMPREYSEellike water animals.
LAMPREYSEel look-alikes
LAMPREYSMarine suckers
lampreyseel-like fish
lampreysLAMPREY, a primitive fish-like vertebrate, also LAMPER, LAMPERN