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Phractocephalus hemioliopterus, commonly known as the Redtail Catfish, is a large, predatory freshwater catfish native to South America. It is characterized by its distinctive coloration, robust body, and prominent barbels. This species is highly sought after in the aquarium trade, particularly when young, but its immense adult size makes it unsuitable for most home aquariums. In its natural habitat, it plays a significant role as an apex predator.
Ciri Fisik
- Bentuk tubuh
- torpedo
- Warna
- Dorsal surface is dark grey to black, transitioning to a white or cream-colored belly. The most striking feature is the bright orange-red caudal fin (tail) and often a band of the same color extending along the lateral line. Juveniles may have more pronounced black spots or markings that fade with age.
- Jenis sisik
- none
- Posisi mulut
- terminal
- Ciri khas
- Large, broad head with a wide mouth., Three pairs of prominent barbels: one maxillary pair (very long, extending past the pectoral fins) and two pairs of mental barbels (shorter, on the chin)., Bright orange-red caudal fin., Absence of scales., Adipose fin present.
- Sirip punggung
- Short, high, with a strong spine and 6-7 soft rays.
- Sirip ekor
- Large, deeply forked, and distinctively orange-red.
- Sirip dada
- Strong, with a serrated spine and 10-11 soft rays.
- Sirip khas
- Small adipose fin present between the dorsal and caudal fins.
Tips Identifikasi
Coloration
The most definitive feature is the bright orange-red caudal fin, contrasting sharply with the dark grey/black back and white belly.
Barbels
Three pairs of barbels, with the maxillary pair being exceptionally long, reaching beyond the pectoral fins.
Head Shape
A broad, somewhat flattened head with a very wide mouth.
Size
Adults are massive, reaching lengths of up to 1.8 meters (6 feet) and weights exceeding 80 kg (176 lbs).
Habitat
- Jenis air
- freshwater
- Kedalaman
- Typically found in deeper channels of large rivers, but also moves into flooded forests and plains during high water seasons.
- Lingkungan
- Large rivers, tributaries, and flooded forests. Prefers areas with strong currents, submerged logs, and root systems for cover. Often found near the bottom.
- Sebaran geografis
- Native to the Amazon and Orinoco river basins in South America, including countries like Brazil, Peru, Ecuador, Colombia, Venezuela, and Bolivia.
Informasi Akuarium
- Tingkat perawatan: advanced
- Temperamen: aggressive
- Pola makan: carnivore
- Ukuran akuarium minimum: 3000 gallons (for adult specimens)
- Suhu: 20-26°C (68-79°F)
- Tingkat pH: 6.0-7.5
- Kesadahan: 2-15 dGH
- Kompatibilitas: Only compatible with other very large, robust fish that cannot be swallowed. Best kept as a solitary specimen in captivity due to its predatory nature and size.
- Kebutuhan khusus: Requires an extremely large aquarium or pond with powerful filtration due to its size and waste production. Substrate should be soft sand or fine gravel to protect its delicate barbels. Ample open swimming space is crucial, along with some large, smooth hiding spots (e.g., large PVC pipes, smooth rocks). Excellent water quality and regular large water changes are paramount.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Spawning typically occurs during the rainy season when water levels rise and flood plains become accessible.
- Harga pasar: Varies significantly; juveniles are popular in the ornamental fish trade, while adults are sometimes targeted for food.
- Nilai ekonomis: medium
- Rasa: Mild, firm white flesh.
- Tekstur: Firm, flaky.
- Metode memasak: Grilled, Fried, Baked, Stewed
- Nilai gizi: Good source of protein and omega-3 fatty acids.
Fakta kunci
Giant of the Amazonamazing
The Redtail Catfish is one of the largest freshwater fish in South America, capable of reaching lengths of nearly 2 meters and weights over 80 kg.
Apex Predatorbehavior
In its natural habitat, Phractocephalus hemioliopterus is an apex predator, feeding on a variety of fish, crustaceans, and even fallen fruits.
Long-Livedinteresting
Redtail Catfish can live for 15-20 years or more in captivity with proper care, and likely longer in the wild.
Misconception in Aquariainteresting
Despite its immense adult size, juvenile Redtail Catfish are often sold to unsuspecting aquarists, leading to significant welfare issues when they outgrow their tanks.
Unique Colorationamazing
The vibrant orange-red tail is a unique and striking feature that makes it easily identifiable among other large catfish species.
Informasi keamanan
Tangani dengan hati-hati- Tingkat keamanan: caution
- Berbisa: Tidak
- Kelayakan konsumsi: edible
- Catatan penanganan: While not venomous, Redtail Catfish possess strong, serrated pectoral and dorsal fin spines that can inflict painful wounds if handled carelessly. Their large size and powerful jaws can also cause injury. Always use thick gloves and exercise extreme caution when handling large specimens. Juveniles are less dangerous but still have sharp spines.
Spesies serupa
Pimelodus blochii
Pimelodus blochii
Pimelodus blochii is a much smaller species, typically reaching only 35 cm (14 inches). It lacks the distinct red tail and has a more slender body shape. Its barbels are also proportionally shorter.
Pseudoplatystoma spp. (Tiger Shovelnose Catfish)
Pseudoplatystoma fasciatum, P. tigrinum
Tiger Shovelnose Catfish have distinctive striped or spotted patterns on their bodies and lack the bright red caudal fin. Their head shape is also more elongated and 'shovelnose' compared to the broader head of the Redtail Catfish.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Siluriformes
- Famili
- Pimelodidae
- Genus
- Phractocephalus
- Spesies
- hemioliopterus
Jelajahi Redtail Catfish
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