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Lamellae on a gecko's foot. In surface anatomy, a lamella is a thin plate-like structure, often one amongst many lamellae very close to one another, with open space between. Aside from respiratory organs, they appear in other biological roles including filter feeding and the traction surfaces of geckos. [1]
Snout longer than the distance between the eye and the ear-opening, 1.5 times the diameter of the orbit; forehead concave; ear-opening rather large, suboval, vertical. Body and limbs stout. Digits free, inner well developed, strongly dilated; with straight transverse lamella beneath; 11 or 12 under the inner digits, 13 to 15 under the median.
The interactions between the gecko's feet and the climbing surface are stronger than simple surface area effects. On its feet, the gecko has many microscopic hairs, or setae (singular seta), arranged into lamellae that increase the Van der Waals forces - the distance-dependent attraction between atoms or molecules - between its feet and the surface.
This gecko was 600 millimetres (24 inches) long, and it was likely endemic to New Caledonia, where it lived in native forests. [9] The smallest gecko, the Jaragua sphaero, is a mere 16 millimetres (0.63 inches) long, and was discovered in 2001 on a small island off the coast of Hispaniola. [10]
Hemidactylus is a genus of the common gecko family, Gekkonidae. [3] [4] It has 195 [5] described species, newfound ones being described every few years.These geckos are found in all the tropical regions of the world, extending into the subtropical parts of Africa and Europe.
Body and limbs short. Digits short, free, with very short distal joints, moderately dilated; 5 or 6 lamella under the inner digits, 7 or 8 under the fourth finger, and 8 or 9 under the fourth toe. Snout covered with keeled granules; the rest of the head with smaller granules intermixed with round tubercles.
A Mediterranean house gecko in ambush on a nest of a sphecid wasp Sceliphron spirifex. Mediterranean house geckos are nocturnal. [21] They emit a distinctive, high-pitched call somewhat like a squeak or the chirp of a bird, possibly expressing a territorial message. Because of this aggressive behavior, juveniles avoid most interaction with ...
The pygopodids and other geckos share a number of characteristics: the production of parchment-shelled eggs in clutch sizes of two [5] [6] [3] the ability to lick clean the clear spectacles that cover their lidless eyes; [7] vocalization sounds like the common gecko "harsh squeak". [6] skull anatomy; inner ears anatomy [4] communal nests.