Answer: serpents

AnswerCrossword Clue
SERPENTSDeceitful ones
SERPENTSSneaky ones.
SERPENTSBoas
SERPENTSApophis, basilisk and cockatrice
SERPENTSThese got in Medusa's hair
SERPENTSMedusa's tresses
SERPENTS"How sharper than a ... tooth . . . ": Shak.
SERPENTSOphidians
SERPENTSHerpetologist's pets
SERPENTSAncient marine "hazards"
SERPENTSSea phenomena.
SERPENTSAsps, e.g.
SERPENTSLarge snakes
SERPENTSCaduceus features
serpentsA sly or treacherous person, esp. one who exploits a position of trust in order to betray it
serpentsA large snake
serpentsA biblical name for Satan (see Gen. 3, Rev. 20)
serpentsA bass wind instrument made of leather-covered wood in three U-shaped turns, with a cup-shaped mouthpiece and few keys. It was played in military and church bands from the 17th to 19th centuries
serpentsSERPENT, a snake
serpentsA dragon or other mythical snakelike reptile
SERPENTSSome reptiles
SERPENTSSlithering hissers
SERPENTSTreacherous ones
SERPENTSTreacherous types
SERPENTSCobras, kraits, etc.
SERPENTSHissers
SERPENTSSnakes
SERPENTSMalicious types
SERPENTSBoas and cobras
SERPENTSHerpetologist's subjects
SERPENTSVery large snakes
SERPENTSZigzag fireworks.
SERPENTSReptiles.
SERPENTSTreacherous persons.
SERPENTSSea ....
SERPENTSCaduceus symbols.
SERPENTSTreacherous ones.
SERPENTSHerpetologist's concern.
SERPENTSOphidia.
SERPENTSPythons.