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Clarias nigricans

Clarias nigricans is a species of clariid catfish. It is only known from the Mahakam River in eastern Borneo. The eel-like catfish of this region were long assumed to belong to the widespread species Clarias nieuhofii but examination of 6 specime ...

Encheloclarias prolatus

Encheloclarias prolatus is a species of airbreathing catfish endemic to Malaysia where it is only found in western Sarawak on the island of Borneo. This species reaches a length of 8.6 cm SL.

Encheloclarias velatus

Encheloclarias velatus is a species of airbreathing catfish endemic to Indonesia. It is only known from the Batang Hari drainage in central Sumatra, and Binton. E. velatus is different from other members of the genus Encheloclarias that the anal ...

Glyptothorax caudimaculatus

Glyptothorax caudimaculatus is a species of catfish that was first described by Anganthoibi and Vishwanath 2011. Glyptothorax caudimaculatus is a species in genus Glyptothorax, family Sisoridae and order Siluriformes. No subspecies are listed in ...

Glyptothorax exodon

Glyptothorax exodon is a species of sisorid catfish. It is only known from the drainage basin of the Kapuas River, Borneo. This species can be easily distinguished from most other Glyptothorax region her slender body. The only possible confusion ...

Glyptothorax silviae

Glyptothorax silviae is a species of catfish in genus Glyptothorax, family Sisoridae and order Siluriformes. It is Freshwater, benthopelagic, Subtropical fish endemic to the Shatt al-Arab and Karun rivers in Iran and Tigris in Iraq.

Horaglanis

Horaglanis is a genus of small airbreathing catfishes that are endemic to Kerala in India. The three known species are all adapted to life underground, lack pigmentation and are blind. This genus and Kryptoglanis like Western Hatami, the only kno ...

Hypsidoris

Hypsidoris is an extinct genus of catfish, classified within its own family Hypsidoridae, from the Eocene epoch of North America. Hypsidoris was about 20 cm 7.9 inches long and was very similar to the modern catfish, and also have sensitive whisk ...

Liobagrus anguillicauda

Liobagrus anguillicauda is a species of catfish in the family Amblycipitidae endemic to the province of Fujian in China. This species reaches a length of 10 centimetres TL.

Liobagrus chenghaiensis

Liobagrus chenghaiensis is a species of catfish in the family Amblycipitidae endemic to China, where it is only known from lake Chenghai in the province of Yunnan. L. chenghaiensis differs from all other species of Liobagrus with a serrated rear ...

Liobagrus marginatoides

Liobagrus marginatoides is a species of catfish in the family Amblycipitidae endemic to the province of Sichuan in China. This species reaches a length of 8.5 centimetres SL.

Liobagrus marginatus

Liobagrus marginatus is a species of catfish in the family Amblycipitidae endemic to the province of Sichuan in China. This species reaches a length of 14 centimetres TL.

Liobagrus obesus

Liobagrus obesus, the bull-head torrent catfish, is a species of catfish in the family Amblycipitidae endemic to South Korea, where it occurs in the middle parts of the Geum, Mangyeong, and Yeongsan rivers. This species reaches a length of 10 cen ...

Liobagrus reinii

Liobagrus reinii is a species of catfish in the family Amblycipitidae endemic to Japan. This species reaches a length of 9 centimetres.

Neosilurus brevidorsalis

Neosilurus brevidorsalis, commonly known as shortfin tandan or shortfin catfish, is a species of catfish native to lakes, swamps and rivers in northern Australia and New Guinea. It reaches a length of 20 cm.

Tandanus tropicanus

Tandanus tropicanus or the Wet Tropics Tandan is a species of eeltail catfish native to Australia. It was discovered in rivers between Townsville and Cairns by a group of scientists from James Cook University. The species, which grows to length o ...

Dermogenys collettei

Dermogenys collettei is a species of viviparous halfbeak found in freshwater areas in Thailand, Malaysia, Singapore, and Indonesia. This species was described in 2001 by Amy Downing Meisner with the type locality given as Kuching in Sarawak. The ...

Buffons river garfish

Buffons river garfish is found at the surface levels of rivers, estuaries and coastal waters throughout the Indo-West Pacific region, extending from southern China to northern Australia. It feeds on terrestrial insects. It grows up to 23 cm in le ...

High Five cells

High Five is an insect cell line that originated from the ovarian cells of the cabbage looper, Trichoplusia ni. It was developed by the Boyce Thompson Institute for Plant Research, Ithaca, NY. Five cells have become one of the most commonly used ...

Schneider 2 cells

Schneider 2 cells, usually abbreviated as S2 cells, are one of the most commonly used Drosophila melanogaster cell lines. S2 cells were derived from a primary culture of late stage Drosophila melanogaster embryos by Dr. Imogene Schneider, likely ...

Sf9 (cells)

Sf9 cells, a clonal isolate of Spodoptera frugiperda Sf21 cells, are commonly used in insect cell culture for recombinant protein production using baculovirus. They were originally established from ovarian tissue. They can be grown in the absence ...

Sf21

Sf21 is a continuous cell line developed from ovaries of the Fall Army worm, Spodoptera frugiperda, a moth species that is an agricultural pest on corn and other grass species. It was originally developed in the United States at the Henry A. Wall ...

Comparison of butterflies and moths

A common classification of the Lepidoptera involves their differentiation into butterflies and moths. Butterflies are a natural monophyletic group, often given the suborder Rhopalocera, which includes Papilionoidea, Hesperiidae, and Hedylidae. In ...

External morphology of Lepidoptera

The external morphology of Lepidoptera is the physiological structure of the bodies of insects belonging to the order Lepidoptera, also known as butterflies and moths. Lepidoptera are distinguished from other orders by the presence of scales on t ...

Hair-pencil

Hair-pencils and coremata are pheromone signaling structures present in lepidopteran males. Males use hair-pencils in courtship behaviors with females. The pheromones they excrete serve as both aphrodisiacs and tranquilizers to females as well as ...

Juxta

In insect anatomy, the juxta is an organ in the males of most Lepidoptera that supports the aedeagus, the organ used for reproduction in insects. The juxta is located between the two valvae. The term comes from the Latin iuxta, which means togeth ...

Lepidopteran diversity

180.000 species of Lepidoptera are described, equivalent to 10% of the total described species of living organisms. This is a list of the diversity of the Lepidoptera showing the estimated number of genera and species described for each superfami ...

Scale (insect anatomy)

The presence of scales on the wings of Lepidoptera, comprising moths and butterflies, characterises this order of insects. The name is derived from Ancient Greek λεπίδος and πτερόν. The wings of Lepidoptera are minutely scaled, which feature give ...

Acidopore

The acidopore is a component of ant anatomy, a round orifice located on the abdomen encircled by hairs which typifies the subfamily Formicinae. The conical structure connects to the posterior end of an ants gaster where formic acid and other hydr ...

Ant mill

An ant mill is an observed phenomenon in which a group of army ants, which are blind, are separated from the main foraging party, lose the pheromone track and begin to follow one another, forming a continuously rotating circle. The ants will even ...

Bivouac (ants)

A bivouac is a structure formed by migratory driver ant and army ant colonies, such as the species Eciton burchellii. A nest is constructed out of the living ant workers own bodies to protect the queen and larvae, and is later deconstructed as th ...

Larval hemolymph feeding

Larval hemolymph feeding is a behaviour trait found in the queens of some species of ant. This is found mainly in the ants of the subfamily Amblyoponinae and give them the other name of Dracula ant. In colonies of the Amblyopone silvestrii the qu ...

Mermithogyne

Usually characterised by shortened wings, mermithogynes are found in parts of the Formicidae, being queens affected by parasitic nematode worms of the genus Mermis.

Solarium (myrmecology)

A solarium is an earthen structure constructed by certain members of the Formicidae for the purpose of brood incubation. Solaria are usually dome-shaped and fashioned from a paper-thin layer of soil, connected to the main nest by way of subterran ...

Galea (helmet)

A galea was a Roman soldiers helmet. Some gladiators, specifically myrmillones, also wore bronze galeae with face masks and decorations, often a fish on its crest. The exact form or design of the helmet varied significantly over time, between dif ...

Imperial helmet

The Imperial helmet-type was a type of helmet worn by Roman legionaries. Prior to the Empire, Roman Republican soldiers often provided their own equipment, which was passed down from father to son. Thus a variety of equipment, from different eras ...

Minolta Anti-Shake

Image stabilization is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure. Generally, it compensates for pan and tilt angular movement, equivalent to yaw and pitch of the ima ...

Close-up lens

In photography, a close-up lens is a simple secondary lens used to enable macro photography without requiring a specialised primary lens. They work like reading glasses, allowing a primary lens to focus more closely. Bringing the focus closer all ...

Dialyte lens

A dialyte lens is a compound lens design that corrects optical aberrations where the lens elements are widely air-spaced. The design is used to save on the amount of glass used for specific elements or where elements can not be cemented because t ...

Double-Gauss lens

The double Gauss lens consists of two back-to-back Gauss lenses a design with a positive meniscus lens on the object side and a negative meniscus lens on the image side making two positive meniscus lenses on the outside with two negative meniscus ...

History of photographic lens design

The invention of the camera in the early 19th century led to an array of lens designs intended for photography. The problems of photographic lens design, creating a lens for a task that would cover a large, flat image plane, were well known even ...

Iscorama

Iscorama was a trademark applied by ISCO Optics of Gottingen to a series of consumer-grade anamorphic lenses manufactured between the late 1960s and the beginning of the 21st century. These lenses were notable for their high optical quality and u ...

Kit lens

A kit lens is a "starter" lens which can be sold with an interchangeable-lens camera such as a single-lens reflex camera. It is generally an inexpensive lens priced at the lowest end of the manufacturers range so as to not add much to a camera ki ...

Large format lens

Large format lenses are photographic optics that provide an image circle large enough to cover large format film or plates. Large format lenses are typically used in large format cameras and view cameras. Photographic optics generally project a c ...

Lensbaby

Lensbaby is a line of camera lenses for SLR cameras that combine a simple lens with a bellows or ball and socket mechanism for use in special-effect photography. A lensbaby can give effects normally associated with view cameras. The lenses are fo ...

Long-focus lens

In photography, a long-focus lens is a camera lens which has a focal length that is longer than the diagonal measure of the film or sensor that receives its image. It is used to make distant objects appear magnified with magnification increasing ...

Metrogon

Metrogon is a high resolution, low-distortion, extra-wide field photographic lens design, popularized by Bausch and Lomb. Variations of this design are said to have been used extensively by the US military for use in aerial photography on the T-1 ...

Prime lens

In film and photography, a prime lens is a fixed focal length photographic lens, typically with a maximum aperture from f2.8 to f1.2. The term can also mean the primary lens in a combination lens system. Confusion between these two meanings can o ...

Primary lens

In photography, a secondary lens or accessory lens is a lens designed to be used in conjunction with another lens, called the primary lens. Additional lens can be used either in front of the primary lens, between it and the subject, or behind the ...

Superachromat

The superachromat or superachromatic lens was first conceived and developed by Maximilian Herzberger as the ultimately well-corrected lens. The color shift curve of a superachromat is a quartic, meaning that in theory four separate colors can be ...