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Trichogaster fasciata, commonly known as the Banded Gourami, is a freshwater fish belonging to the family Osphronemidae. It is characterized by its elongated, compressed body and distinctive vertical banding. This species is known for its labyrinth organ, which allows it to breathe atmospheric air, enabling it to survive in oxygen-depleted waters. Males display more vibrant coloration, especially during breeding.
Características físicas
- Formato do corpo
- compressed
- Coloração
- Males exhibit a vibrant reddish-orange to brick-red body with 10-15 oblique, iridescent blue-green vertical bands extending from the dorsal fin to the anal fin. The fins are often edged with red or orange. Females are generally duller in coloration, typically silvery-brown with less distinct banding. The pelvic fins are modified into long, filamentous feelers.
- Tipo de escama
- ctenoid
- Posição da boca
- superior
- Características distintivas
- Labyrinth organ for atmospheric breathing, Long, filamentous pelvic fins, Oblique vertical banding, Sexual dimorphism in coloration
- Nadadeira dorsal
- Single, long-based dorsal fin with 15-17 spines and 10-14 soft rays. Originates anterior to the midpoint of the body.
- Nadadeira caudal
- Rounded to slightly emarginate caudal fin.
- Nadadeira peitoral
- Pectoral fins are relatively small and rounded.
- Nadadeiras características
- Pelvic fins are modified into long, thread-like sensory organs, often extending beyond the caudal fin, used for tactile exploration.
Dicas de identificação
Body Shape and Size
Elongated and laterally compressed body, reaching a maximum standard length of about 12-12.5 cm (4.7-4.9 inches), though typically smaller in aquariums (around 8-10 cm).
Coloration and Pattern
Look for the distinct oblique vertical bands (10-15) on the body. Males are much more brightly colored with reddish-orange and iridescent blue-green bands, while females are duller.
Pelvic Fins
The most distinguishing feature is the pair of long, filamentous pelvic fins, which are sensory organs.
Labyrinth Organ
Observe if the fish frequently surfaces to gulp air, indicating the presence of a labyrinth organ, characteristic of gouramis.
Habitat
- Tipo de água
- freshwater
- Profundidade
- Typically found in shallow, slow-moving or stagnant waters, often less than 1 meter deep.
- Ambiente
- Inhabits a variety of freshwater environments including ponds, ditches, canals, rice paddies, swamps, and slow-flowing rivers. Prefers areas with dense aquatic vegetation and muddy substrates. Can tolerate low oxygen conditions due to its labyrinth organ.
- Distribuição geográfica
- Native to South Asia, primarily found in the Ganges-Brahmaputra basin in India, Bangladesh, Nepal, and Myanmar. Also reported in Pakistan and Thailand, though some of these records may refer to other species or introduced populations.
Informações sobre aquário
- Nível de cuidado: beginner
- Temperamento: peaceful
- Alimentação: omnivore
- Tamanho mínimo do aquário: 75 liters (20 gallons)
- Temperatura: 22-28°C (72-82°F)
- Nível de pH: 6.0-7.5
- Dureza da água: 5-15 dGH
- Compatibilidade: Generally peaceful and can be kept with other similarly sized, non-aggressive fish. Avoid fin-nippers or very boisterous species.
- Requisitos especiais: Requires a well-planted aquarium with plenty of hiding spots and surface vegetation. A tight-fitting lid is essential as they are known jumpers. Good water quality is important, but they are tolerant of a range of conditions due to their labyrinth organ.
Informações no ambiente natural
- Estado de conservação: least concern
- Sazonalidade: Breeds during the monsoon season (typically June to September) in its native range, when water levels are high and food is abundant.
- Preço de mercado: Low
- Importância comercial: low
- Sabor: Mild, slightly earthy
- Textura: Flaky, tender
- Métodos de preparo: Frying, Grilling, Steaming, Curries
- Valor nutricional: Good source of protein and omega-3 fatty acids.
Fatos principais
Air-Breathing Abilitybehavior
Trichogaster fasciata possesses a labyrinth organ, a specialized respiratory organ that allows it to breathe atmospheric air directly. This adaptation enables it to survive in oxygen-poor waters where other fish would perish.
Sensory Pelvic Finsbehavior
Its long, thread-like pelvic fins are highly sensitive and are used as tactile organs to explore its environment, locate food, and interact with other fish, especially in murky waters.
Bubble Nest Builderbehavior
Like many anabantoids, the male Banded Gourami constructs a bubble nest at the water surface to house and protect the eggs and fry. He meticulously guards the nest until the fry are free-swimming.
Sexual Dimorphisminteresting
Males are significantly more colorful and vibrant than females, especially during breeding periods, displaying intense reddish-orange and iridescent blue-green hues. This striking difference aids in species identification and mate selection.
Taxonomic Historyevolution
This species has undergone several taxonomic reclassifications, previously being placed in the genus Colisa. Modern molecular studies have largely supported its placement within Trichogaster, alongside other larger gouramis, while the Dwarf Gourami (T. lalius) and Thick-lipped Gourami (T. labiosa) are also now often included in Trichogaster.
Informações de segurança
Seguro- Nível de segurança: safe
- Venenoso: Não
- Comestibilidade: edible
- Observações de manuseio: 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.
Espécies similares
Dwarf Gourami
Trichogaster lalius (formerly Colisa lalia)
T. fasciata is generally larger (up to 12.5 cm vs. 6 cm for T. lalius) and has more numerous, narrower, and often more oblique vertical bands. T. lalius typically has broader, more distinct vertical bands that are often less oblique and fewer in number. The body shape of T. lalius is also slightly more rounded.
Giant Gourami
Osphronemus goramy
Despite 'Giant Gourami' being an alternative common name for T. fasciata, the true Giant Gourami (Osphronemus goramy) is a much larger species, growing up to 70 cm (28 inches) and has a very different body shape, often with a prominent forehead in adults. T. fasciata is a small, slender fish.
Thick-lipped Gourami
Trichogaster labiosa (formerly Colisa labiosa)
T. labiosa has noticeably thicker lips and typically fewer, broader, and less distinct vertical bands compared to T. fasciata. Its coloration can also be more muted, often with a brownish-orange base.
Classificação científica
- Reino
- Animalia
- Filo
- Chordata
- Classe
- Actinopterygii
- Ordem
- Anabantiformes
- Família
- Osphronemidae
- Gênero
- Trichogaster
- Espécie
- Trichogaster fasciata
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