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Oreochromis mossambicus, commonly known as the Mozambique Tilapia, is a cichlid fish native to southern Africa. It is a highly adaptable and prolific species, widely introduced globally for aquaculture and as a food fish. Its hardiness and rapid reproduction have led to its establishment in many non-native environments, often with significant ecological impacts. It is characterized by its deep, compressed body and a single, long dorsal fin.
Ciri Fisik
- Bentuk tubuh
- compressed
- Warna
- Variable; typically olive-green to brownish-grey on the back, fading to silvery on the flanks and whitish on the belly. Breeding males develop a darker, often blackish coloration, sometimes with red or pinkish margins on fins and a reddish throat. Juveniles may have faint vertical bars.
- Jenis sisik
- ctenoid
- Posisi mulut
- terminal
- Ciri khas
- Deep, compressed body, Large head with a relatively small mouth, Single, long dorsal fin with spiny and soft-rayed portions, Caudal fin typically truncate or slightly emarginate, Often exhibits a 'tilapia spot' (ocellus) on the soft dorsal fin in juveniles, which may fade with age.
- Sirip punggung
- Single, long dorsal fin with 15-17 spines and 10-13 soft rays. The spiny portion is longer than the soft-rayed portion.
- Sirip ekor
- Caudal fin is typically truncate to slightly emarginate, often with faint vertical bars.
- Sirip dada
- Relatively short and rounded.
- Sirip khas
- Pelvic fins are thoracic, located directly below the pectoral fins. Anal fin has 3 spines and 9-12 soft rays.
Tips Identifikasi
Dorsal Fin
Look for a single, long dorsal fin with a prominent spiny anterior portion and a shorter soft-rayed posterior portion. The number of spines (15-17) and soft rays (10-13) can be a key identifier.
Body Shape
The body is deep and laterally compressed, typical of cichlids.
Coloration (Breeding Males)
Observe for the distinctive dark, often blackish body coloration with reddish or pinkish fin margins and a red throat in breeding males. This is a strong indicator.
Mouth
The mouth is relatively small and terminal. Unlike some other tilapias, it lacks prominent pharyngeal teeth that are visible externally.
Caudal Fin
The caudal fin is typically truncate (straight-edged) or slightly emarginate (shallowly notched), often with faint vertical bars.
Habitat
- Jenis air
- freshwater
- Kedalaman
- Typically found in shallow waters, but can inhabit depths up to several meters.
- Lingkungan
- Highly adaptable, inhabiting a wide range of freshwater and brackish environments including rivers, lakes, ponds, reservoirs, estuaries, and coastal lagoons. Prefers warm, slow-moving or still waters with abundant vegetation or submerged structures. Tolerant of a wide range of salinities, temperatures, and oxygen levels.
- Sebaran geografis
- Native to southeastern Africa (from the lower Zambezi River to the Bushman's River in South Africa). Widely introduced and established in tropical and subtropical regions worldwide, including Asia, North and South America, and Oceania.
Informasi Akuarium
- Tingkat perawatan: intermediate
- Temperamen: semi-aggressive
- Pola makan: omnivore
- Ukuran akuarium minimum: 75 gallons (for a single adult)
- Suhu: 22-32 C (72-90 F)
- Tingkat pH: 6.0-8.5
- Kesadahan: 10-25 dGH
- Kompatibilitas: Best kept in species-specific tanks or with other large, robust cichlids. Can be aggressive towards smaller or less assertive tank mates, especially during breeding.
- Kebutuhan khusus: Requires excellent filtration due to high bioload. Provide plenty of hiding spots and open swimming areas. Can be destructive to live plants. Known for digging and rearranging substrate.
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.
- Harga pasar: Varies significantly by region and market, generally affordable.
- Nilai ekonomis: high
- Rasa: Mild, slightly sweet, often described as earthy depending on water quality.
- Tekstur: Flaky, firm white flesh.
- Metode memasak: Frying, Grilling, Baking, Steaming, Currying
- Nilai gizi: Good source of lean protein, omega-3 fatty acids, and essential vitamins and minerals.
Fakta kunci
Mouthbrooderbehavior
Female Oreochromis mossambicus are maternal mouthbrooders, meaning they incubate eggs and protect fry in their mouths. This parental care contributes significantly to their reproductive success.
Introduced Speciesinteresting
Despite its native range in Africa, Oreochromis mossambicus is one of the most widely introduced fish species globally, often leading to ecological concerns due to its competitive nature and rapid reproduction.
Hardinessamazing
This species is exceptionally hardy, tolerating a wide range of environmental conditions including varying salinities (from freshwater to brackish), temperatures, and low oxygen levels, which aids its invasive success.
Sex Reversalbehavior
In aquaculture, O. mossambicus (and other tilapias) are often subjected to hormonal treatments to produce all-male populations, as males grow faster and larger than females.
First Tilapia in Asiainteresting
Oreochromis mossambicus was the first tilapia species introduced to Asia, specifically to Indonesia in 1939, where it was named 'Ikan Mujair' after the local discoverer, Mr. Mujair.
Informasi keamanan
Aman- Tingkat keamanan: safe
- Berbisa: Tidak
- Kelayakan konsumsi: edible
- Catatan penanganan: No specific handling precautions beyond standard fish handling. The dorsal and anal fin spines can be sharp, so care should be taken to avoid punctures. They are not venomous.
Spesies serupa
Nile Tilapia
Oreochromis niloticus
O. niloticus typically has distinct vertical bars on its caudal fin that extend to the margin, whereas O. mossambicus has fainter bars that often do not reach the margin, or a plain caudal fin. O. niloticus also tends to have a more pointed snout and a more silvery body coloration, especially when not breeding. Breeding males of O. niloticus do not develop the prominent red throat and fin margins seen in O. mossambicus.
Blue Tilapia
Oreochromis aureus
O. aureus often exhibits a bluish-grey coloration, particularly in males, and a more rounded caudal fin. Breeding males of O. aureus develop a bright blue head and body, and a reddish-orange margin on the dorsal and caudal fins, but lack the prominent red throat of O. mossambicus. The number of dorsal fin spines and rays can also differ slightly.
Wami Tilapia
Oreochromis urolepis
O. urolepis is very similar to O. mossambicus and can be difficult to distinguish without close examination. Key differences often lie in meristic counts (fin rays, scales) and subtle morphological features. O. urolepis breeding males typically have a more intense red coloration on the caudal fin and a less pronounced red throat compared to O. mossambicus.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Cichliformes
- Famili
- Cichlidae
- Genus
- Oreochromis
- Spesies
- Oreochromis mossambicus
Jelajahi Mozambique Tilapia
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