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Clarias sp., commonly known as 'Ikan Lele' in Southeast Asia, refers to a genus of air-breathing freshwater catfishes. These fish are characterized by their elongated, cylindrical bodies, broad heads, and the presence of four pairs of barbels around the mouth. They possess a unique accessory breathing organ, the suprabranchial organ, which allows them to breathe atmospheric air and survive in oxygen-depleted waters or even out of water for extended periods, hence the common name 'walking catfish'. They are highly adaptable and opportunistic feeders, playing a significant ecological role in their native habitats and are widely cultured for food.
Ciri Fisik
- Bentuk tubuh
- eel-like
- Warna
- Typically dark grey to black on the dorsal side, fading to lighter grey or white on the ventral side. Some species may exhibit mottled patterns or spots. Albino and xanthic forms are common in aquaculture.
- Jenis sisik
- none
- Posisi mulut
- terminal
- Ciri khas
- Elongated, cylindrical body, Broad, flattened head, Four pairs of prominent barbels (nasal, maxillary, two mandibular), Long dorsal fin extending almost to the caudal fin, Long anal fin extending almost to the caudal fin, Absence of an adipose fin, Presence of a suprabranchial organ for air breathing, Small, embedded eyes
- Sirip punggung
- Very long, continuous, without spines, extending from behind the head almost to the caudal fin. Typically 60-100 soft rays depending on species.
- Sirip ekor
- Rounded or slightly emarginate, distinct from dorsal and anal fins.
- Sirip dada
- Well-developed, with a strong, serrated spine at the leading edge, followed by soft rays. The spine can be venomous in some species.
- Sirip khas
- The long, continuous dorsal and anal fins are characteristic, as is the absence of an adipose fin. The pectoral fin spine is a key feature for identification and handling caution.
Tips Identifikasi
Body Shape and Fins
Look for the elongated, eel-like body and the very long dorsal and anal fins that run almost the entire length of the body, separate from the caudal fin. The absence of an adipose fin is also a key indicator.
Barbels
Count the four pairs of barbels around the mouth. These are sensory organs used for foraging in murky waters.
Head Shape
Note the broad, flattened head, which is characteristic of the genus.
Pectoral Spine
Observe the strong, often serrated spine at the leading edge of the pectoral fins. This spine can be used defensively.
Air Breathing
In aquariums or shallow waters, observe if the fish frequently surfaces to gulp air, indicating the presence of their accessory breathing organ.
Habitat
- Jenis air
- freshwater
- Kedalaman
- Shallow to moderate depths, typically found near the bottom.
- Lingkungan
- Found in a wide range of freshwater habitats including rivers, lakes, ponds, swamps, canals, and even stagnant ditches. They prefer muddy bottoms and areas with dense vegetation. Their ability to breathe air allows them to survive in hypoxic conditions and even migrate short distances over land during wet periods.
- Sebaran geografis
- Native to Africa and Southeast Asia. Widely introduced globally for aquaculture, leading to invasive populations in some regions (e.g., Florida, USA).
Informasi Akuarium
- Tingkat perawatan: intermediate
- Temperamen: aggressive
- Pola makan: omnivore
- Ukuran akuarium minimum: 150_gallons
- Suhu: 22-28°C (72-82°F)
- Tingkat pH: 6.0-8.0
- Kesadahan: 5-20 dGH
- Kompatibilitas: Generally not compatible with smaller fish due to their predatory nature. Can be kept with other large, robust, and similarly aggressive fish, but often best kept alone or in species-specific tanks.
- Kebutuhan khusus: Requires a large tank with strong filtration due to their messy eating habits and large waste production. Needs plenty of hiding spots (caves, PVC pipes) and a secure lid as they are known to attempt to escape. Good aeration is beneficial, though they can breathe atmospheric air.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Breeding typically occurs during the rainy season, but aquaculture allows for year-round availability.
- Harga pasar: Varies significantly by region and species, generally affordable as a food fish.
- Nilai ekonomis: high
- Rasa: Mild, earthy, sometimes described as slightly muddy depending on diet and water quality.
- Tekstur: Firm, flaky, white flesh.
- Metode memasak: Fried, Grilled, Stewed, Curried, Smoked
- Nilai gizi: Good source of protein, low in fat, contains Omega-3 fatty acids, vitamins (B12, D), and minerals (phosphorus, selenium).
Fakta kunci
Walking Abilitybehavior
Clarias species are famously known as 'walking catfish' due to their ability to use their stiff pectoral fins and strong body musculature to 'walk' short distances over land, especially during droughts or to find new water sources.
Air Breathingamazing
They possess a unique suprabranchial organ, a tree-like structure located above their gills, which allows them to extract oxygen directly from the air. This adaptation enables them to survive in extremely low-oxygen or stagnant water conditions.
Invasive Speciesinteresting
Due to their hardiness, adaptability, and predatory nature, several Clarias species, particularly Clarias batrachus, have become invasive in regions outside their native range, such as Florida, USA, where they can outcompete native species and disrupt ecosystems.
Aquaculture Stapleinteresting
Clarias species are among the most important aquaculture fish globally, especially in Southeast Asia and Africa, due to their rapid growth rate, high feed conversion efficiency, and tolerance to varying water quality.
Nocturnal Huntersbehavior
These catfish are primarily nocturnal, using their highly sensitive barbels to locate food in murky waters and at night.
Informasi keamanan
Tangani dengan hati-hati- Tingkat keamanan: caution
- Berbisa: Ya
- Kelayakan konsumsi: edible
- Catatan penanganan: Exercise extreme caution when handling Clarias sp. The pectoral fin spines are sharp and can inflict painful wounds. In some species, these spines are associated with venom glands, and a puncture can cause significant pain, swelling, and localized inflammation. Always use thick gloves or a net to handle them. Avoid direct contact with the spines. If stung, clean the wound thoroughly and seek medical attention if symptoms are severe or persistent.
Spesies serupa
Walking Catfish
Clarias batrachus
One of the most common and widespread species within the genus. Often identified by its relatively smooth head and body, and the presence of small, scattered white spots on the body, though coloration can vary. The pectoral spine is typically strongly serrated on both edges.
African Sharptooth Catfish
Clarias gariepinus
Generally larger than C. batrachus, with a more robust head and body. The head is typically more granulated or rugose. The pectoral spine is also serrated, but the overall body shape can appear more 'chunky' compared to the more slender C. batrachus. Often has a more uniform dark coloration.
Broadhead Catfish
Clarias macrocephalus
Distinguished by its noticeably broader and flatter head compared to other Clarias species. The body is typically more compressed laterally than C. batrachus. Often has a darker, more uniform coloration.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Siluriformes
- Famili
- Clariidae
- Genus
- Clarias
- Spesies
- sp.
Jelajahi Walking Catfish
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