Science Quiz / Salamanders and Caecilians

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

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

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