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Diagramma pictum, commonly known as the Painted Sweetlips or Ikan Geger Pasir, is a medium to large-sized marine fish belonging to the family Haemulidae. It is characterized by its distinctive coloration and patterns that change significantly with age. Juveniles are often strikingly patterned, while adults develop a more subdued, yet still attractive, appearance. This species is a popular food fish and is also occasionally seen in the aquarium trade, though its size and specific needs make it more suitable for public aquaria or very large home setups.
Ciri Fisik
- Bentuk tubuh
- compressed
- Warna
- Juveniles: Strikingly patterned with black spots and stripes on a white or yellowish background. As they mature, the spots break up into smaller dots and lines, eventually forming a more uniform greyish-silver body with numerous small, dark spots or lines, particularly on the upper body and fins. The fins are often yellowish. The mouth and lips are thick and fleshy.
- Jenis sisik
- ctenoid
- Posisi mulut
- terminal
- Ciri khas
- Thick, fleshy lips, Coloration changes dramatically with age, Deeply forked caudal fin in adults, Small, numerous spots or lines on adult body
- Sirip punggung
- Single dorsal fin with 9-10 spines and 23-26 soft rays. The spiny and soft-rayed portions are continuous, with the soft-rayed portion being significantly longer.
- Sirip ekor
- Deeply forked caudal fin in adults, more truncate in juveniles.
- Sirip dada
- Moderately long and pointed.
- Sirip khas
- Pelvic fins are thoracic, located directly below the pectoral fins.
Tips Identifikasi
Age-dependent coloration
Observe the pattern: juveniles have bold black spots and stripes, while adults have numerous small, dark spots or lines on a greyish-silver body. This is the most striking identification feature.
Body shape and fins
Note the compressed body, thick fleshy lips, and the deeply forked caudal fin in larger specimens.
Habitat
Consider the location; juveniles are often in very shallow, protected waters, while adults are found on reefs and sandy bottoms.
Habitat
- Jenis air
- saltwater
- Kedalaman
- Typically found in depths ranging from 1 to 80 meters (3 to 260 feet), but most commonly in shallower coastal waters.
- Lingkungan
- Inhabits coastal reefs, rocky areas, estuaries, and sandy or silty bottoms, often near seagrass beds or mangroves. Juveniles are frequently found in very shallow, protected inshore areas, including tidal pools and estuaries, while adults move to deeper reef slopes and offshore areas.
- Sebaran geografis
- Widespread in the Indo-Pacific region, from the Red Sea and East Africa eastward to the Western Pacific, including Japan, Australia, and various Pacific islands. Its range extends north to the Ryukyu Islands and south to New South Wales, Australia.
Informasi Akuarium
- Tingkat perawatan: advanced
- Temperamen: semi-aggressive
- Pola makan: carnivore
- Ukuran akuarium minimum: 1000 gallons (3785 liters) for adults
- Suhu: 24-28°C (75-82°F)
- Tingkat pH: 8.1-8.4
- Kesadahan: 8-12 dKH
- Kompatibilitas: Can be kept with other large, robust fish. Avoid keeping with very small or timid species. May become territorial with conspecifics or similar-looking fish in smaller tanks.
- Kebutuhan khusus: Requires a very large tank with ample swimming space and plenty of rockwork for shelter. Excellent filtration is essential due to their large size and feeding habits. A varied diet of meaty foods is crucial for their health and coloration.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Available year-round, but local abundance may vary with seasonal migrations or spawning aggregations.
- Harga pasar: Varies significantly by region and size, often considered a premium food fish.
- Nilai ekonomis: high
- Rasa: Mild, slightly sweet
- Tekstur: Firm, flaky white flesh
- Metode memasak: Grilled, Baked, Steamed, Fried, Curried
- Nilai gizi: Good source of protein and omega-3 fatty acids.
Fakta kunci
Dramatic Transformationbehavior
The Painted Sweetlips undergoes one of the most dramatic color and pattern changes from its juvenile to adult stages among marine fish, making it look like an entirely different species at different life phases.
Nocturnal Foragerbehavior
While often seen during the day, Diagramma pictum is primarily a nocturnal feeder, using its thick lips to probe sandy and silty bottoms for benthic invertebrates and small fish.
Sound Productioninteresting
Like other grunts (Haemulidae), Diagramma pictum can produce sounds by grinding its pharyngeal teeth, which are amplified by the swim bladder. This is often heard when the fish is stressed or caught.
Schooling Juvenilesbehavior
Juvenile Painted Sweetlips often form large, conspicuous schools in shallow, protected waters, providing safety in numbers against predators.
Informasi keamanan
Tangani dengan hati-hati- Tingkat keamanan: caution
- Berbisa: Tidak
- Kelayakan konsumsi: edible
- Catatan penanganan: While not venomous, like many fish, it possesses sharp dorsal fin spines and opercular edges that can inflict painful cuts. Handle with care, especially larger specimens. No known ciguatera risk, but always exercise caution with reef fish.
Spesies serupa
Oriental Sweetlips
Plectorhinchus orientalis
Plectorhinchus orientalis typically has fewer, broader black bands or spots, and its body shape can be more elongated. The spots on D. pictum adults are generally smaller and more numerous, often forming a reticulated pattern.
Harlequin Sweetlips
Plectorhinchus chaetodonoides
P. chaetodonoides has much larger, more irregular black blotches on a white or yellowish background, even as adults, and a more rounded body profile. Its spots are not as fine or numerous as in adult D. pictum.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Perciformes
- Famili
- Haemulidae
- Genus
- Diagramma
- Spesies
- pictum
Jelajahi Painted Sweetlips
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