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This species is a relative large frog with a snout–to–vent length of 5.8 to 8 cm (2.3–3.1 in). It has numerous sharp, pointed projections on the head and dorsal surface, hence the common name. [7] The skin on the head is fused to the skull and the tympanum is very large. The legs are long and slender and the digits have adhesive discs at ...
On Centrolene quindianum, the bluish extension in the arm is the humeral spine. Humeral spines are ventrolateral extensions of the humeral crista ventralis. [citation needed] These structures are present in the humerus of some frogs (). [1]
Teratohyla spinosa (common name: spiny Cochran frog) is a species of frog in the family Centrolenidae. It is found in the Pacific lowlands of northern and central Ecuador and western Colombia , northward on the Pacific slopes Panama and Costa Rica , as well as on the Caribbean slopes of Costa Rica, Nicaragua , and Honduras .
Image credits: girlfr0g They have adapted to surviving in extreme weather conditions. Like all amphibians, frogs are cold-blooded, meaning their body temperatures change with the temperature of ...
Dissection of a frog. Pain is an aversive sensation and feeling associated with actual, or potential, tissue damage. [1] It is widely accepted by a broad spectrum of scientists and philosophers that non-human animals can perceive pain, including pain in amphibians.
The evolution of the notochord within the phylum Chordata is considered in detail by Holland and Somorjai (2020). Vertebrates now have spines so they do not need a notochord. [26] The following organisms retain a post-embryonic notochord: Acipenseriformes (paddlefish and sturgeon) [27] Lancelet (Amphioxus) Tunicate (larval stage only) Hagfish ...
Images Couch's spadefoot toad Scaphiopus couchii: Couch's spadefoot toads are found in the southwestern regions of the United States and some regions of Mexico. They stay buried in the soil for 8–10 months a year and eat enough in one meal to last them a whole year. Couch's spadefoot toads' tadpoles transform into frogs in 7–8 days [17]
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