Классификация / Names
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Anabantiformes (Gouramies, snakeheads) >
Osphronemidae (Gouramies) > Macropodusinae
Etymology: Betta: Malay/Javanese origin. Bleeker (1850, 1858) indicates Ikan Wadder Bettah as the local name of Betta trifasciata Bleeker, 1849 (now Betta picta, Valenciennes, 1846) in the Ambarawa Javanese dialect. Ikan Wader is a common Javanese name for smaller freshwater fishes, especially cyprinids (already used in Old Javanese). See Blust, R. & Trussel, S. Austronesian Comparative Dictionary. Web Edition (https://www.trussel2.com/acd/); apollon: Named for Apollo, the mythological Greek god of (among others) music, poetry, medicine and archery and which also refers to handsome young man; an allusion to the beautiful appearance of this species.
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный пелагический. Tropical
Asia: Thailand.
Size / Вес / Возраст
Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL самец/пол неопределен; (Ref. 78499)
Краткое описание
определительные ключи | морфология | морфометрия
колючие лучи спинного плавника (общее число) : 1; членистые (мягкие) лучи спинного плавника (общее число) : 8 - 9; колючие лучи анального плавника: 2 - 3; членистые (мягкие) лучи анального плавника: 23 - 24. This species belonging to the Betta pugnax group is differentiated from the others by having the following characters: elongated last branchiostegal ray extending beyond
posterior margin of the operculum; 25-26 total anal-fin rays; 29-30 lateral scales (Ref. 78499).
Facultative air-breathing (Ref. 126274); This species was collected in hill-streams strongly shaded by forest; mostly found in shallow water close to the shores between roots, plants or leaf litter. Some specimens were also collected from the swift flowing area between boulders. Water data from the type locality: colourless, clear and with a pH of 6.2, an electric conductivity of 20-40 µS/cm and a temperature of 24-26 °C (Ref. 78499).
Life cycle and mating behavior
половая зрелость | размножение | нерест | икра | Fecundity | личинки
Schindler, I. and J. Schmidt, 2006. Review of the mouthbrooding Betta (Teleostei, Osphronemidae) from Thailand, with descriptions of two new species. Zeitschrift für Fischkunde 8(1/2):47-69. (Ref. 78499)
Статус Красного Списка МСОП (Ref. 130435: Version 2024-1)
Угроза для людей
Harmless
Использование человеком
рыболовство: интереса не представляет
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00377 - 0.02651), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).