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

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