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4113 results for “ear pH”

Glass Catfish
The Glass Catfish (Kryptopterus bicirrhis) is named for its fully transparent body and the two cat-like barbels at its mouth. It swims swiftly and, when resting, holds a 40-degree upward tilt, sometimes shimmering with rainbow colors under the right light. A peaceful schooling fish, it needs soft acidic water and is best kept with companions of its own kind.

Pacific Double-Saddle Butterflyfish
The Pacific Double-Saddle Butterflyfish (Chaetodon ulietensis), also called the Saddle-spot Butterflyfish, is a gentle marine species that is not difficult for beginners to keep. A popular saltwater ornamental fish, it is primarily coral-feeding and should not be housed in a reef tank. Adults reach about 20 cm in length.

Leopard Danio
The Leopard Danio is native to Southeast Asia and is prized for its vivid leopard-like coloration, making it a favorite among tropical fish keepers. Hardy and easy to care for, it is an excellent choice for beginners. A peaceful, active schooling fish, it reaches about 3-5 cm and accepts a wide range of foods.

Pictus Catfish
The Pictus Catfish (Pimelodus pictus), also known as the Pearl High-Fin Catfish, is native to Colombia. It prefers soft acidic water and is nocturnal, often hiding in rock crevices during the day. Its silver-white body is densely speckled with fine black spots, giving the species its name.

Zebrafish
The Zebrafish (Danio rerio) is a small, gentle, hardy freshwater fish with blue-and-silver stripes. Famous as a model organism in genetic and medical research, it is also an easy, community-friendly beginner fish.

Mottled Dwarf Cichlid
The Mottled Dwarf Cichlid (Apistogramma guttata), also called the Giefere Dwarf Cichlid, is a slender South American dwarf cichlid from the Orinoco basin. It needs soft, acidic water and is prone to gill diseases, so tank cleanliness is essential.

Similis Shell Dweller
The Similis Shell Dweller (Neolamprologus similis) is a tiny, gentle Lake Tanganyika shell-dwelling cichlid that curls inside empty snail shells. Popular but with low fecundity, it is best kept as a single species in a shell-sand tank.

Spotband Butterflyfish
The Spotband Butterflyfish (Chaetodon punctatofasciatus) is a peaceful, easy-to-keep marine butterflyfish from the Central to Western Pacific. Important: it eats coral polyps, so it should not be kept in a reef tank.

White Cloud Mountain Minnow
The White Cloud Mountain Minnow (Tanichthys albonubes) is a tiny, gentle, and easy-to-keep freshwater fish first discovered on Baiyun Mountain in Guangzhou, China. It is cold-tolerant, schooling, and a classic beginner tropical fish.

Archerfish
Also known as the 'Spray Gun Fish,' the archerfish is a classic brackish-water species commonly found in aquarium shops at affordable prices. Its distinctive bulging eyes allow it to see not only surface objects but also aerial targets above the waterline.