Betta schalleri

Betta schalleri Kottelat & Ng, 1994

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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> 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/)..
More on authors: Kottelat & Ng.

Environment: milieu / climate zone / depth range / distribution range Ekologi

; sötvatten bentopelagisk. Tropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Asia: presently known only from Banka, Indonesia.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL hane/ej könsbestämd; (Ref. 12803)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 2; Mjukstrålar i ryggfenan (totalt): 8-9; Taggstrålar i analfenan 2-4; Mjukstrålar i analfenan: 23 - 25. Distinguished from other members from Sumatra, Indonesia in the following characters: more anal fin rays (27 vs. 23-25); more dorsal fin rays than Betta cracens and Betta fusca (10-11 vs. 8-9); more subdorsal scales than Betta cracens and B. fusca (6 1/2-7 vs. 5 1/2-6); more lateral scales than B. fusca (31 vs. 29); fewer lateral scales than Betta cracens (31 vs. 32-33); fewer predorsal scales than Betta cracens, Betta fusca and Betta raja (17-19 vs. 20-24); greater head length than Betta pugnax, Betta cracens and Betta fusca (35-.5-36.5% SL vs. 27.5-35.2); smaller predorsal length than Betta fusca (62.7-66.3% SL vs. 68.5-70.2); greater preanal length than Betta cracens (47.8-50.9% SL vs. 42.0-46.1); greater body depth than Betta cracens (26.7-27.6% SL vs. 21.2-24.2); greater dorsal fin base length than Betta cracens (12.4-13.9% SL vs. 10.5-11.6); smaller anal fin base length than Betta cracens (50.4-52.0% SL vs. 53.4-55.7); greater orbital diameter than Betta cracens and Betta fusca (61-76% postorbital length vs. 47-58) (Ref. 56386).

Biologi     Ordlista (t.ex. epibenthic)

Facultative air-breathing (Ref. 126274); Found in forest swamp, peat swamp and hill stream.

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Kottelat, M. and P.K.L. Ng, 1994. Diagnoses of five new species of fighting fishes from Banka and Borneo (Teleostei: Belontiidae). Ichthyol. Explor. Freshwat. 5(1):65-78. (Ref. 12803)

IUCN Red List Status (Ref. 125652)

  Endangered (EN) (B1ab(iii)); Date assessed: 07 January 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00364 - 0.02626), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).