Amphibians Flashcards
Do amphibians have scales?
No
Are Amphibians ectothermic?
Yes
Are amphibians cryptic?
Yes
Amphibians have this type of skin
Glandular
The 3 taxonomy orders of amphibians
Caudata
Anura
Gymnophiona
Largest amphibians
Chinese giant salamander
Goliath frog
Smallest amphibians
Thorius sp.
Eleutherodactylus sp.
Life span of amphibians
Up to 55 years
How many Caudata families?
10
How many Caudata species?
> 500
Where are the Caudata species found?
N./S. America, Europe, Asia
How many Anura families?
33 families
How many Anura species?
> 5,000 species
Where are Anura species found?
Worldwide
This frog can live up to 55 years!
White’s Tree Frog
The pigmentation on this frog makes them appear to have teeth
Monkey Frog
This frog has “chicken skin”
Ranidae- Mantellas
We eat this frog’s legs
American Bullfrog
This frog “wears eyeliner”
Eyelash Frog
This frog’s nickname is Pacman
Ornate Horned Frog
This frog has “teeth” but not classified as teeth because there is no enamel
Ornate Horned Frog
Frogs have an atlas but not this
Vertical vertebrae
Where does gas exchange occur?
Lungs, gills, and/or the skin
Some of this species of amphibians do not have lungs
Some salamanders
Are males or females larger?
Females are larger
Do amphibians thermoregulate?
Yes
Humidity
> 70%
Toxin uses for people
Weapon (poison dart frogs)
Pharmacology (pain killers, psychoactive)
Types of toxins
Aposematism and Mimicry
What is used to anesthetize amphibians?
Tricaine Methanesulfonate (MS-222)
Isoflurane
Venipuncture sites
Abdominal vein (very superficial)
Femoral vein
Sublingual vein
Most common problem in amphibians
Red Leg
Aeromonas is aka
Redleg disease
Signs of redleg
Erythema (reddening of the skin) Cloudy eyes or bleeding in eye Fibrinous coelitis Fibrinous or cloudy lymph sacs Splenomegaly Hepatomegally Blood hemorrhages beneath skin
Treatment for redleg
Antibiotic ointment Tritop or Neosporin
Tetracycline bath
Enrofloxacine (Baytril)
What are the effects of Chytrid Fungi
Interferes with respiration and control of water flow and kills adult frogs
Where did Chytrid fungi originate?
In African Clawed frogs
Treatment for Chytrid Fungi
Itraconazole
How many chambers are in amphibian hearts?
3 chambers