Science Quiz / Salamanders and Caecilians

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QUIZ: Can you name the the amphibian family that matches the characteristic?

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CharacteristicFamily
9 genera & 58 species
32 species in 1 genus
Superfamily that includes all salamanders with internal fertilization
Paedomorphic and found in slow moving waters in the SE US. Internal fertilization.
Squared off glands behind vent in males, internal fertilization, and found in old growth forests and cold streams.
Includes the genera Siren & Pseudobranchus(4 species total)
Mudpuppies and olms
No nasolabial or distinct costal grooves.Terrestrial as young, have laterally compressed tails as aquatic adults.
This family is fully aquatic, found in slow-moving water, and is found in SE United States and NE Mexico.
[caecilian]Up to 50 cm, free swimming larva, female attends 25-40 eggs(thus oviparous)
External fertilization, terrestrial as adults, lay eggs in high mountain streams
Sometimes called conger eels or congo snakes.
[caecilian]3 genera & 53 species. Found in SE Asia.
2 genera and six species, found in E. United States and central/SE Europe.
[subfamily]Aneides, Desmognathus, Ensantina, Hydromantes, Plethodon
[order]Elongate and limbless, have tentacles. Internal fertilization, often no tail, specialized for burrowing.
Have noxious milky-white skin secretions and some have aposematic coloration. Found only in North America.
Found in E. North America and E. Asia, this family has 3 species in 2 genera.
The axolotl is in this family.
Fully aquatic, flattened, and up to 1.6 meters in length, this family can live for over 30 years.
Found in Europe, NW Africa, Asia & N.A. Rough, pebbly skin.
The hellbender is in this family.
Internal fertilization. Genera include Necturus and Proteus. Eats a variety of food including small invertebrates/vertebrates, fish eggs, carrion
Found in the NW USA only, internal reproduction, tail-lash defense, and are fairly small.
21 genera & 97 species
Males herd females into their nests under large rocks and tend to the eggs after mating through external fertilization.
1 genus & 3 species found in the Southeastern US
CharacteristicFamily
Torrent salamanders
Slender & eel-like, lacking hindlimbs and eyelids. Adults retain eternal gills and suction-feeding.
[caecilian]2 genera & 42 species, Central & South America
[caecilian]Up to 33 cm, oviparous, larva have gill slits, mouth at the tip of the snout
Newts
[caecilian]True tail, tentacle adjacent to eye
[subfamily]Batrachoseps, Bolitoglossa, Dendrotriton, Eurycea, Psuedotriton
Can survive drought by forming a cocoon, aquatic, 4 limbs
[caecilian]True tail, tentacle between eye and nostril.
4 species in 1 genus, found in NW USA
[caecilian]Often bright coloration, mostly viviparous
[caecilian]Up to 1 meter long, eats earthworms
Live only in Central and E. Asia, difficult to distinguish from other groups without skeletons.
Projectile tongues and mental glands. Males in some species have cirri.
[caecilian]2 genera & 11 species found in South America
Obvious costal grooves, up to 22 cm, and found only in North America.
External fertilization, eggs tended by females. This family can escape drought conditions by aestivating in a mucous cocoon.
[caecilian]Recessed mouth, lacks tail
Mole salamanders
Caecilians- yeah i know it's not a family, deal with it
Lay eggs in logs or in alligator mounds, up to 1 meter in length.
4 species in 1 genus, found in NW USA
Has 27 genera and 431 species
Toad-like and big(35 cm), with sharp teeth, indistinct costal grooves and mottled skin patterns.
Internal fertilization and noxious skin secretions/aposematic coloration. Some retain eggs in body, birthing advanced larva or 'mature' young.
Can live over 50 years, are aquatic with gills and reduced number of toes, but retain all 4 limbs.
Have nasolabial grooves, lungless. Found in the Americas and Europe.

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