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Oreochromis niloticus, commonly known as the Nile Tilapia, is a species of cichlid fish native to Africa and the Levant. It is a highly adaptable and prolific species, widely cultured globally for food due to its rapid growth, tolerance to various environmental conditions, and palatable flesh. It is characterized by its deep body, often with distinct vertical bars, and a prominent lateral line. This species exhibits parental care, with females typically mouthbrooding their eggs and fry.
Ciri Fisik
- Bentuk tubuh
- compressed
- Warna
- Typically silvery-grey to olive-brown dorsally, fading to whitish ventrally. Often exhibits 6-9 distinct vertical bars on the flanks, which can be more pronounced in juveniles or stressed individuals. The caudal fin often has distinct vertical stripes. Breeding males can develop a reddish hue on the operculum and fins.
- Jenis sisik
- ctenoid
- Posisi mulut
- terminal
- Ciri khas
- Deep, laterally compressed body, Long dorsal fin with spiny and soft-rayed portions, Prominent lateral line, Often exhibits vertical barring on flanks, Caudal fin with distinct vertical stripes
- Sirip punggung
- Single, long dorsal fin with 15-18 spines and 10-15 soft rays. The spiny portion is longer than the soft-rayed portion.
- Sirip ekor
- Truncate to slightly emarginate, with distinct vertical stripes.
- Sirip dada
- Paired, relatively short and rounded.
- Sirip khas
- Pelvic fins are thoracic, located directly below the pectoral fins.
Tips Identifikasi
Caudal Fin Pattern
Look for distinct vertical stripes on the caudal (tail) fin, a key distinguishing feature from many other tilapia species.
Dorsal Fin Spines
Count the number of spines in the dorsal fin (typically 15-18). The spiny portion is noticeably longer than the soft-rayed portion.
Body Coloration and Bars
Observe the silvery-grey to olive-brown body with 6-9 often prominent vertical bars on the flanks, especially visible in younger or stressed fish.
Mouth and Jaw
The mouth is terminal, and the jaws typically extend to the anterior margin of the eye. Pharyngeal teeth are fine and numerous.
Habitat
- Jenis air
- freshwater
- Kedalaman
- Typically found in shallow to moderate depths, often near vegetated areas or structures. Can tolerate a wide range of depths.
- Lingkungan
- Lakes, rivers, canals, irrigation ditches, ponds, and reservoirs. Prefers warm, slow-moving to stagnant waters with abundant aquatic vegetation. Highly tolerant of varying water quality, including low oxygen levels and moderate salinity.
- Sebaran geografis
- Native to the Nile River basin and other parts of Africa (e.g., Lake Chad, Lake Turkana, Lake Albert) and the Levant (e.g., Jordan River). Widely introduced globally for aquaculture, establishing feral populations in many tropical and subtropical regions worldwide.
Informasi Akuarium
- Tingkat perawatan: intermediate
- Temperamen: semi-aggressive
- Pola makan: omnivore
- Ukuran akuarium minimum: 200 gallons (for adults)
- Suhu: 22-32°C (72-90°F)
- Tingkat pH: 6.0-9.0
- Kesadahan: 5-20 dGH
- Kompatibilitas: Best kept in species-specific tanks or with other large, robust cichlids. Avoid small or timid tank mates.
- Kebutuhan khusus: Requires a large tank with ample swimming space and strong filtration due to their waste production. Can be territorial, especially during breeding. Provide hiding spots and sturdy decorations.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Breeds year-round in tropical climates, with peak activity often influenced by water temperature and food availability. Harvested year-round in aquaculture.
- Harga pasar: Varies significantly by region and market, generally affordable.
- Nilai ekonomis: high
- Rasa: Mild, slightly sweet, non-fishy flavor.
- Tekstur: Flaky, firm, white flesh.
- Metode memasak: Frying, Baking, Grilling, Steaming, Broiling
- Nilai gizi: Lean protein source, low in fat, good source of B vitamins and phosphorus.
Fakta kunci
Aquaculture Superstarinteresting
Oreochromis niloticus is one of the most important aquaculture species globally, often referred to as 'aquatic chicken' due to its rapid growth and adaptability.
Mouthbrooding Parentsbehavior
Female Nile Tilapia are mouthbrooders, carrying their eggs and newly hatched fry in their mouths for protection until they are large enough to fend for themselves.
Environmental Engineerinteresting
Due to their ability to tolerate a wide range of environmental conditions, including low oxygen and varying salinity, Nile Tilapia are often used in bioremediation efforts in some aquatic systems.
Invasive Potentialinteresting
While highly valued in aquaculture, its hardiness and rapid reproduction make O. niloticus a significant invasive species in many non-native habitats, often outcompeting native fish.
Ancient Historyevolution
Nile Tilapia have been cultured and consumed by humans since ancient Egyptian times, as depicted in hieroglyphs and ancient art.
Informasi keamanan
Aman- Tingkat keamanan: safe
- Berbisa: Tidak
- Kelayakan konsumsi: edible
- Catatan penanganan: No specific handling precautions are required beyond standard fish handling to avoid injury from spines or slippery surfaces. They do not possess venomous spines.
Spesies serupa
Blue Tilapia
Oreochromis aureus
O. aureus typically has a more bluish coloration, especially in males, and lacks the distinct vertical stripes on the caudal fin that are characteristic of O. niloticus. The dorsal fin of O. aureus usually has fewer spines (14-16) and more soft rays (11-15) compared to O. niloticus.
Mozambique Tilapia
Oreochromis mossambicus
O. mossambicus generally has a deeper body and a more rounded caudal fin without the distinct vertical stripes. Breeding males of O. mossambicus develop a dark, almost black coloration with a red margin on the dorsal and caudal fins, which differs from the reddish operculum and fin hues of O. niloticus.
Wami Tilapia
Oreochromis urolepis
O. urolepis has a more pointed snout and a less deep body compared to O. niloticus. The caudal fin of O. urolepis may have some spotting but lacks the clear vertical banding of O. niloticus. It also typically has fewer dorsal fin spines (13-16).
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Cichliformes
- Famili
- Cichlidae
- Genus
- Oreochromis
- Spesies
- Oreochromis niloticus
Jelajahi Nile Tilapia
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