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Trichogaster leerii, commonly known as the Pearl Gourami, is a species of gourami native to freshwater habitats in Southeast Asia. It is renowned for its striking iridescent coloration and intricate pearl-like spotting pattern across its body. This species is a labyrinth fish, possessing a labyrinth organ that allows it to breathe atmospheric air, enabling it to survive in oxygen-poor waters. They are generally peaceful and are popular in the aquarium trade due to their beauty and relatively docile nature.
Ciri Fisik
- Bentuk tubuh
- compressed
- Warna
- The body is silvery-brown to reddish-brown, covered with a dense pattern of iridescent, pearl-like spots that extend onto the fins. A prominent black, irregular stripe or series of blotches runs horizontally from the snout through the eye to the caudal peduncle. The ventral fins are elongated and filamentous, often orange to reddish in color, especially in males. Males exhibit more intense coloration, particularly a vibrant orange-red throat and chest during breeding.
- Jenis sisik
- ctenoid
- Posisi mulut
- superior
- Ciri khas
- Dense pearl-like spotting over the entire body and fins., Prominent black lateral stripe., Elongated, filamentous ventral fins., Labyrinth organ for atmospheric breathing.
- Sirip punggung
- Single dorsal fin, relatively short in females, longer and more pointed in males, extending almost to the caudal fin.
- Sirip ekor
- Rounded to slightly emarginate caudal fin.
- Sirip dada
- Transparent and fan-like.
- Sirip khas
- Ventral fins are highly modified into long, filamentous, tactile organs, used for sensing and communication.
Tips Identifikasi
Pearl-like spots
The most distinguishing feature is the intricate pattern of iridescent, pearl-like spots covering the entire body and fins, giving it its common name.
Lateral stripe
A distinct, irregular black stripe runs horizontally from the snout to the caudal fin, often appearing as a series of connected blotches.
Ventral fins
The highly elongated, thread-like ventral fins are characteristic of gouramis and are used for tactile exploration.
Male coloration
Males display a more intense orange-red coloration on their throat and chest, especially during courtship, and have a longer, more pointed dorsal fin.
Habitat
- Jenis air
- freshwater
- Kedalaman
- Typically found in shallow, slow-moving or stagnant waters.
- Lingkungan
- Inhabits swamps, peat swamps, slow-moving rivers, canals, and floodplains. Prefers areas with dense aquatic vegetation, submerged roots, and leaf litter, which provide cover and food sources. Often found in blackwater environments.
- Sebaran geografis
- Native to the Malay Peninsula (Thailand, Malaysia, Singapore) and the islands of Sumatra and Borneo (Indonesia).
Informasi Akuarium
- Tingkat perawatan: beginner
- Temperamen: peaceful
- Pola makan: omnivore
- Ukuran akuarium minimum: 75 liters (20 gallons) for a single specimen, larger for groups or community tanks.
- Suhu: 24-28°C (75-82°F)
- Tingkat pH: 6.0-7.5
- Kesadahan: 5-15 dGH
- Kompatibilitas: Excellent for community tanks with other peaceful, similarly sized fish. Avoid fin-nippers or overly aggressive species. Can be kept in pairs or small groups, though males can be territorial towards each other during breeding.
- Kebutuhan khusus: Requires a well-planted aquarium with plenty of hiding spots and floating vegetation to provide cover and reduce stress. A dark substrate can enhance their coloration. Good filtration with gentle water flow is preferred. As labyrinth fish, they need access to the water surface to breathe atmospheric air, so ensure there is a gap between the water surface and the tank lid.
Informasi di Alam Liar
- Status konservasi: least concern
- Musim: Breeds year-round in suitable conditions, with peak activity often coinciding with rainy seasons in their natural habitat.
- Harga pasar: Varies, generally affordable for aquarists.
- Nilai ekonomis: medium
- Rasa: Not typically consumed due to small size and bony structure.
- Tekstur: Not typically consumed.
- Nilai gizi: Not typically consumed.
Fakta kunci
Labyrinth Organbehavior
Pearl Gouramis possess a specialized respiratory organ called the labyrinth organ, which allows them to breathe atmospheric air directly from the surface. This adaptation enables them to survive in oxygen-depleted waters.
Bubble Nest Buildersbehavior
During breeding, male Pearl Gouramis construct elaborate bubble nests at the water surface, often incorporating plant material, to house and protect their eggs and fry.
Tactile Ventral Finsbehavior
Their long, filamentous ventral fins are highly sensitive and are used as tactile organs to explore their environment, locate food, and communicate with other fish.
Coloration as an Indicatorbehavior
The intensity of a male Pearl Gourami's orange-red throat and chest coloration is a strong indicator of its health and readiness to breed, becoming particularly vibrant during courtship.
Informasi keamanan
Aman- Tingkat keamanan: safe
- Berbisa: Tidak
- Kelayakan konsumsi: not recommended
- Catatan penanganan: No specific handling precautions are required beyond standard fish handling practices to minimize stress. They are not venomous and do not possess sharp spines that pose a significant threat.
Spesies serupa
Three Spot Gourami
Trichopodus trichopterus
Lacks the dense pearl-like spotting. Typically has two distinct black spots on its body (plus the eye spot), and a more uniform body coloration, often blue, gold, or opaline.
Moonlight Gourami
Trichopodus microlepis
Possesses a silvery-white to pale blue body without the pearl-like spots or prominent lateral stripe. Its body is generally more elongated and less compressed than the Pearl Gourami.
Snakeskin Gourami
Trichopodus pectoralis
Has a more elongated body and a distinct pattern of oblique, wavy stripes resembling snakeskin, rather than pearl spots. Its coloration is typically greenish-brown.
Klasifikasi ilmiah
- Kerajaan
- Animalia
- Filum
- Chordata
- Kelas
- Actinopterygii
- Ordo
- Anabantiformes
- Famili
- Osphronemidae
- Genus
- Trichogaster
- Spesies
- Trichogaster leerii
Jelajahi Pearl Gourami
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