paradise fish

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Related to Macropodus opercularis: Paradise fish

paradise fish,

brilliantly colored freshwater Asian fish, Macropodus opercularis, often kept in aquariums. The males reach a length of 3 in. (7.6 cm) and turn reddish with blue bars during mating season. Fantastic varieties with greatly extended and modified fins and tails have been developed. The paradise fish is classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Actinopterygii, order Perciformes, family Osphronemidae.
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References in periodicals archive ?
For example, in paradise fish (Macropodus opercularis; Francis, 1983) and in sticklebacks (Gasterosteus aculeatus; Bakker and Sevenster, 1983) losing greatly enhances the probability of also losing the subsequent contest.
Experiments were conducted with 6-month-old, 8-cm to 10-cm-long Macropodus opercularis males, which were raised and kept in our laboratory.
Behavioural elements of the paradise fish (Macropodus opercularis) I.
The effects of bidirectional selection for social dominance on agonistic behavior and sex ratios in the Paradise fish (Macropodus opercularis).