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Marine toad
Marine toad
One of the largest and most venomous toads in South America.
Type: Chordates
Class: Amphibians
Order: Tailless
Family: Toads
Genus: Beaked toads
Species: Marine toad
General Settings
  • The habitat ranges from the Rio Grande River in Texas to central Amazonia and northeastern Peru. For pest control, agriculture has been extensively acclimatized in Northern Australia, New Guinea, and the Philippines.
  • The length is 15-24 cm
  • Weight – about 1 kg.
  • Diet invertebrates, small lizards, chicks.
  • Life expectancy – 10-15 years.

Marine toad is the second largest in size after the Blomberg toad. The color is not bright-dark brown or light gray with large dark spots. Females are much larger than males.


Social behavior


Like all toads, marine toad prefers to spend  days in shelters, going out to hunt at dusk. The lifestyle is mostly solitary. It moves in short, fast jumps. Taking a defensive position, it inflates.


Reproduction


The female lays 4-35 thousand eggs in one season. Care for fertilized and laid eggs is not shown. Incubation lasts 2-7 days. Both eggs and marine toad are poisonous to most animals and to humans. After metamorphosis, this feature disappears until the development of the parotid glands.


Species and people


These toads were bred to exterminate insect pests on sugar cane and sweet potato plantations, as a result of which they spread widely outside their natural range and turned into pests themselves, poisoning local predators.


Interesting Facts


Marine toad poison affects on heart and nervous system, causes excessive salivation, convulsions, vomiting, arrhythmia, increased blood pressure.

Current status in wildlife
  • Not
    evaluated
    NE
  • Data
    deficient
    DD
  • Data
    deficient
    lc
  • near
    threatened
    NT
  • vulnerable
    vu
  • endangered
    en
  • critically
    endangered
    cr
  • extinct
    in the wild
    ew
  • Extinct
    ex
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