Oscar

Deskripsi

Astronotus ocellatus, commonly known as the Oscar, is a large species of cichlid fish native to South America. It is well-known for its intelligence, distinctive coloration, and often aggressive behavior, making it a popular, albeit demanding, aquarium fish. In its natural habitat, it is a predatory fish, ambushing smaller fish and invertebrates. Its robust body and powerful jaws are adapted for its carnivorous diet. The species exhibits complex social behaviors, including parental care.

Ciri Fisik

Bentuk tubuh

compressed

Warna

Wild-type Oscars typically have a dark, mottled body with irregular orange, red, or yellow blotches and stripes. A prominent ocellus (eye-spot) with an orange-red ring is present at the base of the caudal fin. Captive-bred varieties exhibit a wide range of colors, including solid red, albino, and various 'tiger' patterns with more pronounced black and orange markings.

Jenis sisik

ctenoid

Posisi mulut

terminal

Ciri khas

Large, oval-shaped body with a relatively large head and mouth., Thick, fleshy lips., Prominent ocellus (eye-spot) at the base of the caudal fin, believed to deter fin-nipping predators., Strong, spiny dorsal and anal fins.

Sirip punggung

Long, continuous dorsal fin with 12-14 spines and 18-21 soft rays, extending almost the entire length of the back.

Sirip ekor

Rounded to slightly truncate caudal fin.

Sirip dada

Well-developed pectoral fins, used for maneuvering.

Sirip khas

Anal fin is similar in structure to the dorsal fin, with 3 spines and 15-17 soft rays. Pelvic fins are thoracic.

Tips Identifikasi

Habitat

Jenis air

freshwater

Kedalaman

Typically found in shallow, slow-moving waters, often near submerged roots, branches, and vegetation. They prefer areas with some cover.

Lingkungan

Native to the Amazon River basin, including its tributaries and associated floodplains, as well as the Paraná River and Río Negro. They inhabit clear to turbid waters, often with sandy or muddy bottoms. They are also found in flooded forests during the wet season.

Sebaran geografis

South America: Amazon River basin (Brazil, Peru, Ecuador, Colombia, Bolivia), Paraná River (Paraguay, Argentina), and Río Negro. Introduced populations exist in various parts of the world, including Florida (USA), China, and Australia, due to aquarium releases.

Informasi Akuarium

• Tingkat perawatan: intermediate
• Temperamen: aggressive
• Pola makan: carnivore
• Ukuran akuarium minimum: 200 gallons (757 liters) for a single adult, larger for multiple or breeding pairs
• Suhu: 74-81°F (23-27°C)
• Tingkat pH: 6.0-7.5
• Kesadahan: 5-19 dGH
• Kompatibilitas: Best kept alone or with other large, robust cichlids or similarly sized, semi-aggressive fish that can tolerate its territorial nature. Avoid small or docile tank mates.
• Kebutuhan khusus: Requires a spacious aquarium with strong filtration due to its large size and messy eating habits. Substrate should be sand or fine gravel, as they enjoy digging. Provide large, smooth rocks and driftwood for hiding places and territorial markers. Regular large water changes are crucial for maintaining water quality. Oscars are known to rearrange tank decor, so ensure items are stable and heavy.

Informasi di Alam Liar

• Status konservasi: least concern
• Musim: Breeding typically occurs during the rainy season in their native habitats, when water levels are higher and food is abundant. In captivity, they can breed year-round under optimal conditions.
• Harga pasar: Varies, but generally affordable for juveniles, increasing with size and rare color morphs.
• Nilai ekonomis: medium
• Rasa: Mild, white flesh
• Tekstur: Flaky, firm
• Metode memasak: Frying, Baking, Grilling
• Nilai gizi: Good source of protein and omega-3 fatty acids, similar to other freshwater fish.

Fakta kunci

Spesies serupa

Klasifikasi ilmiah

Kerajaan

Animalia

Filum

Chordata

Kelas

Actinopterygii

Ordo

Cichliformes

Famili

Cichlidae

Genus

Astronotus

Spesies

Astronotus ocellatus

Jelajahi Oscar