countershading

coloration or pigmentation in animals in which the dorsal surface is dark in appearance and the ventral surface light, so that viewed from either above (dark on dark) or below (light on

References in periodicals archive ?

Those studies revealed that the dinosaur had reddish-brown-pigmented skin with countershading across its the body.

Despite Heavy Armor, New Dinosaur Used Camouflage to Hide from Predators

Countershading is a pattern that serves to conceal shadows on an animal, making it appear more flat optically and less conspicuous, Vinther said.

Scientists decipher colour of 'super cute' bristly dinosaur

Although Castoria differs in numerous aspects with respect to Deltamys, both share weak countershading, a moderately long tail, and the general "soricine" external aspect.

Un nuevo genero para Habrothrix angustidens y Akodon serrensis (Rodentia, Cricetidae): de nuevo palentologia y neontologia se encuentran en el legado de Lund

Gravity and light influence the countershading reflexes of the cuttlefish Sepia officinalis.

Aminoglycoside-induced damage in the statocyst of the longfin inshore squid, Doryteuthis pealeii

The skin shows countershading, which even today is "a common form of camouflage in which an animal's underside is lighter than its back," a statement from Cell Press, publisher of the journal where the study appeared Thursday, said.

An Armor Wasn't Enough For This Dinosaur

Ventral bioluminescent countershading in midwater cephalopods.

Behaving in the dark: locomotor, chromatic, postural, and bioluminescent behaviors of the deep-sea squid Octopoteuthis deletron Young 1972

American artist Abbott Thayer (1849--1921), well known for his paintings of angels and nature scenes, recognized that the light colors and countershading that help camouflage aquatic birds could be similarly useful in concealing naval vessels.

Disguises in Nature - Human Camouflage

Physiological mechanisms in the control of bioluminescent countershading in a midwater shrimp.

Propagation and perception of bioluminescence: factors affecting counterillumination as a cryptic strategy

Scientists studied the well-preserved remains of a dinosaur and found that it exhibited a defense mechanism similar to camouflage in present-day animals, called countershading.

Small Dinosaur Used Camouflage For Protection

In the oceanic midwater environment, many fish, squid, and shrimp use luminescent countershading to remain cryptic to silhouette-scanning predators.

Spectral Sensitivity of Vision and Bioluminescence in the Midwater Shrimp Sergestes similis

Another subtle variation of these two patterns is Countershading, in which the chromatophores on the dorsal surfaces of the squid are in a rather uniform light expansion (a s in Clear or Basic Amber) while the ventral portions of the animal are light (probably with help from the many iridophores in the dermis; see Cooper et al.

An Ethogram of Body Patterning Behavior in the Biomedically and Commercially Valuable Squid Loligo pealei off Cape Cod, Massachusetts

Information feedback from photoreceptors and ventral countershading in mid-water squid.

Electrophysiology and innervation of the photosensitive epistellar body in the lesser octopus Eledone cirrhosa