Classification / Names
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Cypriniformes (Carps) >
Danionidae (Danios) > Chedrinae
Etymology: sajikensis: Named for its type locality, Sajik-Tampak, one of the important border areas of Manipur, India and Myanmar.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical
Asia: India.
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.9 cm SL hane/ej könsbestämd; (Ref. 126953)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Ryggkotor: 40. This species is distinguished by the following: it differs from O. barnoides in having larger eyes 6.9-8.5% SL (vs.5.3-6.5) and a longer prepelvic 49.9-51.7% SL (vs.47-48); differs from O. lairokensis in having more predorsal scales 23-24 (vs.21), larger eye 28.4-32.5% HL (vs.26.8-27.4), and wider interorbital 36.1-39.0% HL (vs. 27.3-33.3); differs from O. ngawa in having larger diameter 28.4-32.5% HL (vs.21.3-25.8), longer anal-fin 22.5-23.9% SL (vs.13.8-16.4) and with unequal caudal fin lobes (vs. equal) (Ref. 126953).
Occurs in fast flowing waters with clear water, cobble, pebble and sandy bottoms. Found together with the following species: Acantopsis spectabilis, Paracanthocobitis tumitensis, and P. zoanlternans, Badis ferraris, Botia histronica, Synchrossus berdmorei, Channa marulius, Gonorhynchus burmanicus, Devario aequipinnatus, Garra gravelyi, Lepidocephalichthys guntea, Mastacembelus armatus, Macrognathus morehensis and others (Ref. 126953).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Moyon, W.A. and L. Arunkumar, 2019. Opsarius sakaiensis, a new bariliine fish (Cyprinidae: Danioninae) from the Yu River basin of Manipur, Northeastern India. Int'l J. Fish. Aquat. Stud. 7(6):1-6. (Ref. 126953)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00304 - 0.01503), b=3.04 (2.85 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±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).
