Results for “labyrinth organ”
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Ctenopoma murieiOcellated Bushfish
authority not recorded
Max length75mm SL3.0in SLTank60 × 30cm24 × 12inTemp24–28°C75–82°FpH6.0–7.5One of the smallest species in the genus, it is rarely seen in the trade. A pity, as its diminutive size makes for an ideal aquarium subject. Like others in the suborder Anabantoidei, the species possesses an accessory breathing organ known as the labyrinth organ. So-called due to its maze-like structure, this organ allows the fish to breathe atmospheric air to a certain extent. It is formed by a modification of the first gill arch, and consists of many highly vascularised, folded flaps of sk...
Trichogaster fasciataBanded Gourami
authority not recorded
Max length100mm SL3.9in SLTanknot recordedTemp21–28°C70–82°FpH6.0–7.5This species is a popular food fish in it's native countries. It is not often seen for sale these days, although it is both beautiful and peaceful. The alternative common name of 'Giant Gourami' is not particularly apt, although it is the largest species in the genus. Like others in the suborder Anabantoidei, the species possesses an accessory breathing organ known as the labyrinth organ. So-called due to its maze-like structure, this organ allows the fish to breathe atmospheri...

Betta akarensis
Regan, 1910
Max length80mm SL3.1in SLTank60 × 30cm24 × 12inTemp21–27°C70–81°FpH5.5–7.5Like others in the suborder Anabantoidei this species possesses an accessory breathing organ known as the labyrinth. So-called due to its maze-like structure this organ allows the fish to breathe atmospheric air to a certain extent. Comprising paired suprabranchial organs formed via expansion of the epibranchial (upper) section of the first gill arch and housed in a chamber above the gills, it contains...
Sandelia bainsiiEastern Cape Rocky
authority not recorded
Max length325mm SL13in SLTank180 × 60cm72 × 24inTemp18–22°C64–72°FpH6.8–8.0There are only two described species in the genus Sandelia. Both have very limited natural ranges in parts of South Africa, which in itself is odd as they're completely isolated from other genera of anabantoids. This is probably due to some ancient radiation of species, but as yet remains unresolved. Sandelia spp. are also considered the most primitive of anabantoids, as they possess a less well-developed labyrinth organ than their relatives. You're unlikely to see any of these fo...
Sandelia capensisCape kurper
authority not recorded
Max length215mm SL8in SLTank120 × 45cm48 × 18inTemp18–22°C64–72°FpH6.5–7.2There are only two described species in the genus Sandelia. Both have limited natural ranges in parts of South Africa, which in itself is odd as they're completely isolated from other genera of anabantoids. This is probably due to some ancient radiation of species, but as yet remains unresolved. Sandelia spp. are also considered the most primitive of anabantids, as they possess a less well-developed labyrinth organ than their relatives. S. capensis is of considerable conservation importa...