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Pimelodus maculatus, commonly known as Mandi, is a medium-sized, nocturnal, predatory catfish belonging to the family Pimelodidae. It is characterized by its elongated body, prominent barbels, and distinctive spotted coloration. This species is highly valued in its native range for both commercial fisheries and recreational angling.
Ciri Fisik
- Bentuk tubuh
- elongated
- Warna
- The body is typically silvery-grey to brownish-grey on the dorsal side, fading to a lighter, often whitish, ventral surface. It is distinctly marked with numerous irregularly shaped, dark brown to black spots of varying sizes, which are more prominent on the flanks and fins. The intensity and distribution of spots can vary geographically and individually.
- Jenis sisik
- none
- Posisi mulut
- terminal
- Ciri khas
- Three pairs of long, prominent barbels: one maxillary pair extending beyond the pectoral fins, and two mental pairs., Adipose fin is relatively large and well-developed., Strong, serrated spines in the dorsal and pectoral fins., Large, terminal mouth.
- Sirip punggung
- One short, high dorsal fin with a strong, serrated spine and 6-7 soft rays. A prominent adipose fin is present posterior to the dorsal fin.
- Sirip ekor
- Forked caudal fin with rounded lobes.
- Sirip dada
- Large, fan-shaped pectoral fins, each with a strong, serrated spine and 9-11 soft rays.
- Sirip khas
- Pelvic fins are relatively small, located abdominally. Anal fin is moderately long with 10-14 soft rays.
Tips Identifikasi
Coloration and Spotting
Look for the distinctive dark spots of varying sizes scattered across the body, particularly on the flanks and fins. The background color is typically silvery-grey to brownish-grey.
Barbels
Observe the three pairs of long barbels. The maxillary barbels are particularly long, often extending past the pectoral fins.
Fin Spines
Note the presence of strong, serrated spines in the dorsal and pectoral fins. These are a key characteristic of Pimelodidae.
Adipose Fin
The presence of a well-developed adipose fin, a fleshy fin without rays located between the dorsal and caudal fins, is typical for this species.
Body Shape
The body is elongated and somewhat compressed laterally, especially towards the caudal peduncle.
Habitat
- Jenis air
- freshwater
- Kedalaman
- Typically found in deeper sections of rivers, but also inhabits shallower areas with submerged vegetation or rocky substrates. Can be found from surface to bottom.
- Lingkungan
- Prefers large rivers, tributaries, and associated floodplains. Often found in areas with moderate to strong currents, seeking shelter among submerged logs, rocks, root masses, and undercut banks. Tolerates a range of water conditions but generally prefers well-oxygenated waters.
- Sebaran geografis
- Native to South America, primarily found in the Paraná-Paraguay River basin, including parts of Brazil, Paraguay, Uruguay, and Argentina. Also present in the Uruguay River basin and some coastal drainages of southeastern Brazil.
Informasi Akuarium
- Tingkat perawatan: intermediate
- Temperamen: semi-aggressive
- Pola makan: carnivore
- Ukuran akuarium minimum: 200 gallons
- Suhu: 22-28°C (72-82°F)
- Tingkat pH: 6.0-7.5
- Kesadahan: 5-15 dGH
- Kompatibilitas: Best kept with other large, robust, and similarly sized fish that can tolerate its semi-aggressive nature. Avoid small fish as they will be prey. Can be kept in groups if the tank is sufficiently large and provides ample hiding spots.
- Kebutuhan khusus: Requires a spacious aquarium with strong filtration due to its size and predatory feeding habits. Provide plenty of hiding places such as large caves, driftwood, and PVC pipes. Substrate should be soft sand or fine gravel to protect its delicate barbels. Dim lighting is preferred as they are nocturnal.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Spawning typically occurs during the rainy season (November to February in the Paraná-Paraguay basin), leading to increased catches during these months. Availability in markets may fluctuate seasonally.
- Harga pasar: Varies significantly by region and season, but generally commands a good price due to its culinary appeal.
- Nilai ekonomis: high
- Rasa: Mild, slightly sweet, and earthy.
- Tekstur: Firm, flaky, and white flesh.
- Metode memasak: Fried, Grilled, Baked, Stewed, Moqueca (Brazilian fish stew)
- Nilai gizi: Good source of protein, omega-3 fatty acids, and various vitamins and minerals.
Fakta kunci
Nocturnal Hunterbehavior
Pimelodus maculatus is primarily nocturnal, actively foraging for food during the night. This behavior is reflected in its large eyes and highly developed barbels, which aid in sensing prey in low-light conditions.
Migratory Spawnerbehavior
This species undertakes significant migratory movements, particularly during the reproductive season, traveling upstream to spawn in areas with suitable conditions, often coinciding with increased water levels during the rainy season.
Omnivorous Dietbehavior
While primarily a carnivore, feeding on smaller fish, crustaceans, and insects, Mandi is also known to consume plant matter and detritus, making it an opportunistic omnivore.
Longevityinteresting
In optimal conditions, Pimelodus maculatus can live for over 10 years in the wild, and potentially longer in well-maintained aquariums.
Cultural Significanceinteresting
The Mandi is a culturally significant fish in many parts of its native range, featuring prominently in local cuisine, folklore, and traditional fishing practices.
Informasi keamanan
Tangani dengan hati-hati- Tingkat keamanan: caution
- Berbisa: Ya
- Kelayakan konsumsi: edible
- Catatan penanganan: Pimelodus maculatus possesses strong, serrated spines in its dorsal and pectoral fins. These spines can inflict painful punctures and are associated with a mild venom that can cause localized swelling, redness, and discomfort. Handle with extreme care, preferably using thick gloves or a fish gripper, to avoid being pricked. If stung, clean the wound thoroughly and seek medical attention if symptoms persist or worsen.
Spesies serupa
Jundiá
Rhamdia quelen
Rhamdia quelen generally has a more uniform coloration, lacking the prominent spots of Pimelodus maculatus. Its head is typically broader and more depressed, and the adipose fin is usually smaller and less distinct. The maxillary barbels of Rhamdia quelen are generally shorter, not extending as far back as in P. maculatus.
Pimelodus ornatus
Pimelodus ornatus
Pimelodus ornatus typically has fewer, larger, and more regularly arranged spots or blotches, often forming distinct bands or patterns, compared to the numerous, irregularly shaped spots of P. maculatus. The overall body shape and fin configuration are similar, but the specific spotting pattern is the primary differentiator.
Pimelodus blochii
Pimelodus blochii
Pimelodus blochii generally has a more uniform, often darker, coloration with fewer or no distinct spots, or if spots are present, they are usually faint and less defined than in P. maculatus. Its body tends to be more robust, and the head can appear slightly broader.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Siluriformes
- Famili
- Pimelodidae
- Genus
- Pimelodus
- Spesies
- Pimelodus maculatus
Jelajahi Mandi
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