We have a new website, please check snakeDB.org! It's much faster & nicer than the old version!

Agkistrodon piscivorus

Cottonmouth

Venomous 💀💀💀💀 Very dangerous bite ref
Images automatically provided by Flickr & iNaturalist. Sporadic false assignment does occur.
  • Length Adult

  • up to 189 cm ref
  • Length Newborn

  • 15.2 to 35 cm ref
  • Reproduction

  • unknown ref
  • Pupil Shape (when closed!)

  • slit (or vertical elliptical) ref
  • Fangs

  • foldable ref front-fanged ref

Subspecies & Common Names

Agkistrodon piscivorus  ALABAMA Hiwa, Hiwachoba, Okifa Chinto, CAJUN FRENCH Cong, Congo, Congo Snake, Serpent Congo, Serpent D'eau, CENTRAL NAHUATL Zolcuate, CHEROKEE U' Ga N' Te:na, CHICKASAW Chona'sha, Oka'sinti', Sinti' Ok Okaa Asha, DUTCH Watermoccasinslang, ENGLISH American Copper Head, Aquatic Viper, Black Moccasin, Black Snake, Blunt Tail Moccasin, Congo, Congo Serpent, Copper Head, Cotton Mouthed Snake, Cottonmouth, Cottonmouth Moccasin, Cottonmouth Snake, Cottonmouth Water Moccasin, Cottonmouthed Snake, Eastern Cottonmouth, Eastern Cottonmouth Moccasin, Eastern Water Moccasin, Gapper, Highland Moccasin, Lowland Moccasin, Mangrove Rattler, Moccasin, North American Cottonmouth Snake, North American Water Moccasin, North American Water Viper, Northern Cottonmouth Moccasin, Pilot, Rusty Moccasin, Saltwater Rattler, Stub Tail Moccasin, Stubtail, Stump Moccasin, Stump Tail Moccasin, Stumptail Moccasin, Stumptail Viper, Stumptail Water Moccasin, Swamp Adder, Swamp Lion, Swamp Moccasin, Texas Moccasin, Tisiphone, Trapjaw, Troost's Moccasin, True Horn Snake, True Water Moccasin, Truncheon Snake, Viper, Water Moccasin, Water Mokeson, Water Pilot, Water Rattle, Water Rattlesnake, Water Viper, Western Cottonmouth, Western Cottonmouth Moccasin, Western Water Moccasin, FINNISH Resimokkasiinikäärme, FRENCH Ancistrodon, Ancistrodon Piscivore, Mocassin D'eau De L'Est, Mocassin D'eau De L'Ouest, Moccasin D'eau, Piscivore, GERMAN Dreieckskopfotter, Mokassinschlange, Östliche Wassermokassinschlange, Wasser Mokassinotter, Wassermokassinotter, Wassermokassinschlange, Westliche Wassermokassinotter, Westliche Wassermokassinschlange, HUNGARIAN Halászvipera, ITALIAN Mocassino D'acqua, KOASATI Hiwá, LATIN Ancistrodon, OSAGE We' Ts'a U Bi Xon, PIPIL Cuêtchhuat', PORTUGUESE Bôca De Algodão, SPANISH Mocasin Acuático, Mocasin Acuático Norteamericano, Mocasín De Agua, Mocasina, Mocasine, Víbora Cabeza De Cobre, TZELTAL Cantil, UNCODED LANGUAGES Hiwa, Hiwachoba, Okifa Chinto ref

Full Taxonomy

  • I. Superfamily Colubroidea

  • Colubrids, elapids and vipers
  • II. Family Viperidae

  • Vipers and pit vipers
  • III. Subfamily Crotalinae

  • Pit vipers
  • IV. Genus Agkistrodon

  • Copperheads
  • V. Species Agkistrodon piscivorus

  • Cottonmouth
  • VI. snakeID

  • 169
Look up complete taxonomic records of Agkistrodon piscivorus (including synonyms) at THE REPTILE DATABASE (by Peter Uetz et al).