Amphibians

Frog Pituitary Extract

Inducing off-season ovulation in the northern grass frog (Rana pipiens). Per vial. *NOTE: Because of variables beyond our control, we do not guarantee results when working with embryological material. More.

Frogs and Toads: Your Happy Healthy Pet Book

Frogs and toads are a favorite animal for live biological study. Often inexpensive, they’re readily available from many sources and come in an array of patterns, sizes, and colors. This appealing guide features tons of color photos and advice on h... More.

Mud Puppy (Necturus maculosus)

Phylum Chordata, Subphylum Vertebrata, Class Amphibia. Large, gilled amphibian for research and advanced studies. Requires cold, well-oxygenated water. Seasonal item. Shipped approximately December through May next day air. Stock depends on weather... More.

Bullfrogs (Rana catesbeiana) – Medium to Large, 4"-5"

Almost always in stock except sometimes in extreme cold winter periods or protected breeding seasons. They should be ordered as far ahead of date desired as possible. *NOTE: Sexing charge on bullfrogs +10%. More.

Bullfrogs (Rana catesbeiana) – Large to Jumbo, 5"-6"

Almost always in stock except sometimes in extreme cold winter periods or protected breeding seasons. They should be ordered as far ahead of date desired as possible. *NOTE: Sexing charge on bullfrogs +10%. More.

Frog Embryological Material – Gravid Female Frogs (Rana pipiens)

Available October to April. *NOTE: Because of variables beyond our control, we do not guarantee results when working with embryological material. More.

Stages 48 to 55 Tadpoles: Xenopus laevis

Phylum Chordata, Subphylum Vertebrata, Class Amphibia. Unit of 25. We can sort this product into a specific 3-stage range. Add 10¢ per tadpole. Per unit. • Laboratory-bred • Easy to maintain on dry food • Available year-roun... More.

Stages 56 to 63 Tadpoles: Xenopus laevis

Phylum Chordata, Subphylum Vertebrata, Class Amphibia. Unit of 10. We can sort this product into a specific 3-stage range. Add 10¢ per tadpole. Per unit. • Laboratory-bred • Easy to maintain on dry food • Available year-roun... More.

2.5-5 cm Xenopus laevis Frogs

Phylum Chordata, Subphylum Vertebrata, Class Amphibia. Sex not identifiable. • Laboratory-bred • Easy to maintain on dry food • Available year-round – not seasonal Shipments to Arizona, California, Hawaii, Montana, Nev... More.

Proven Breeders: Xenopus laevis

Phylum Chordata, Subphylum Vertebrata, Class Amphibia. With each order for proven breeders, you will receive a sample of Nasco’s Frog Brittle and a copy of the Rearing and Breeding Lab Manual FREE. Per pair. • Laboratory-bred
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