The Cardinalfish (Apogon imberbis) is a marine (saltwater) fish in the Apogonidae family. It is also known as the Mediterranean Cardinalfish or the King of the Mullets.
The Cardinalfish has a compressed body with a large head and a large mouth. Its lower jaw protrudes over its upper jaw. It is reddish-pink with a round black eye. It has two or three dark spots on the base of its caudal fin.
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The Siamese Fighting Fish (Betta splendens) is a fish in the Gourami family.
The Siamese Fighting Fish can be green, brown, and grey in the wild. In the aquarium, it is bred to include many colours, such as red, orange, yellow, blue, black, and multi-coloured. The male has long, flowing fins, whereas the female has shorter fins.
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The Doctor’s Cichlid (Pseudotropheus “daktari”) is a tropical freshwater fish. It is also known as the Blue Daktari or Scissor Tail Cichlid. Daktari is Swahili for doctor.
The male Doctor’s Cichlid is bright yellow with a little bit of blue or purple sheen, whereas the femal is pinkish-tan. The male and female have a black trim on the top and bottom edge of their tail fin. Its body is slightly elongated.
The Orange Clownfish (Amphiprion percula) is a small tropical marine (saltwater) reef fish. It is also known as the Percula Clownfish or the Clown Anemonefish.
The Orange Clownfish is orange with three white lines across its body. One white line is behind the eye; the middle white line is in the middle of its body; and another white line is near the caudal fin. It also has black lines on each fin.
It is native to the Pacific and Indian Oceans near northwest Australia and Southeast Asia.
The female lays 400-1,500 eggs, which hatch after 6-8 days. The young fish, called fry, start their lives as male, and change to female later in life, when the only breeding female dies. This is called protandry.
What is mouthbrooding?
Mouthbrooding is when female fish look after their young by putting them in their mouth. The baby fish, called fry, can move in and out of their mother’s mouth without being eaten.
The Nile Tilapia (Oreochromis niloticus) is a cichlid fish from Africa. Outside of Africa, it is generally regarded as an invasive species.
The Nile Tilapia has regular, vertical indistinct stripes, with variable colours.
The Goldfish (Carassius auratus) is a common and popular freshwater fish in the Cyprinidae family. It is a cyprinid. Carp and minnow are also cyprinids. It is most often seen in ornamental ponds and aquarium tanks.
The Goldfish varies greatly in size, shape, and colour, but it is usually white, yellow, orange, red, brown, and black.