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270 results for “aquarium”

Upside-Down Catfish

Upside-Down Catfish

The Upside-Down Catfish is a tropical catfish from Central Africa's Congo River that, true to its name, swims and rests belly-up. Split into river and lake types, it is gentle, reaches 9-10 cm, and prefers soft water at 22-26°C.

Breeds 📅 August 5, 2026
Goose-Head Ryukin Goldfish

Goose-Head Ryukin Goldfish

The Goose-Head Ryukin Goldfish is a goldfish variety with its own distinctive look, sharing goldfish habits. A strong swimmer not picky about water, it is easy to keep. It breeds in spring (April-May) and reaches 10-15 cm.

Breeds 📅 August 5, 2026
Schooling Bannerfish

Schooling Bannerfish

The Schooling Bannerfish (Heniochus diphreutes), also called the White Pennant, is a high-value marine ornament from the Indo-Pacific, living on outer reef slopes at 15-210 m. A carnivorous plankton-feeder that schools in groups, it reaches 21 cm.

Breeds 📅 August 5, 2026
Shortfin Lionfish

Shortfin Lionfish

The Shortfin Lionfish (Dendrochirus brachypterus), also called the Shortfin Turkeyfish, is a carnivorous reef fish from the Indian and Pacific Oceans. It rests on the bottom and ambushes prey with venom-bearing fin spines, so it is rarely kept and needs a 250 L marine tank with care around its toxic spines.

Breeds 📅 August 5, 2026
Six-Banded Distichodus

Six-Banded Distichodus

The Six-Banded Distichodus (Distichodus sexfasciatus) is a Congo native named for its six black bands, though its 'short nose' is only relative to the long-nosed distichodus. Its body edge shows blue fluorescence under light. It reaches 30 cm, is robust but short-tempered, and needs a large tank.

Breeds 📅 August 5, 2026
Neon Rainbowfish

Neon Rainbowfish

The Neon Rainbowfish (Melanotaenia trifasciata) is a small, peaceful tropical fish whose red-edged body glows like a blue ghost under light. It prefers hard, slightly alkaline water at 22-26°C and mixes well with other small fish.

Breeds 📅 August 5, 2026
Texas Cichlid

Texas Cichlid

The Texas Cichlid is a large, fierce carnivorous cichlid from Mexico and the Amazon, reaching 20-30 cm. Its gray body is covered with white, blue, and black spots. Strong and not hard to keep, it must not be mixed with small fish due to its aggression and territorial nature.

Breeds 📅 August 5, 2026
One-Spot Butterflyfish

One-Spot Butterflyfish

The One-Spot Butterflyfish (Chaetodon unimaculatus), also called the Teardrop Coralfish, is a distinctive common butterflyfish from the Indo-Pacific tropics, named for the single black spot on its upper side. Reaching 20 cm, it is gentle and best kept in a mature reef tank with stable marine water.

Breeds 📅 August 5, 2026
Tancho Kohaku Koi

Tancho Kohaku Koi

The Tancho Kohaku Koi is a white koi with a single red spot on the top of the head, earning the feng shui name 'good fortune ahead.' A temperate fish, it is hardy but sensitive to temperature swings over 4°C. Popular as a feng shui fish for career luck.

Breeds 📅 August 5, 2026
Red Goose-Head Goldfish with Narial Bouquets

Red Goose-Head Goldfish with Narial Bouquets

The Red Goose-Head Goldfish with Narial Bouquets is a recently developed goldfish variety with a red body and a head growth limited to the top, plus nasal pom-poms. The red-pompom form is especially popular. Eurythermal and easy to keep, it tolerates 0-38°C but not sudden temperature swings.

Breeds 📅 August 5, 2026