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Olyra saginata Ng, Lalramliana & Lalthanzara, 2014

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drawing shows typical species in Bagridae.

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> Siluriformes (Catfishes) > Bagridae (Bagrid catfishes)
Etymology: Olyra: Greek, olyra = a kind of grain (Ref. 45335); saginata: Derived from the Latin verb sagino, meaning to fatten, cram or to feast, in allusion to the relatively deep body of this species compared to all other congeners from the northeastern part of the Indian subcontinent.

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

; zoet water demersaal. Tropical

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Asia: Palak, Sala and Tuisi rivers (all tributaries of the Kaladan River) in Mizoram, India.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm SL mannelijk / geslacht onbekend; (Ref. 96386)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 8; Anale zachte stralen: 17 - 19; Wervels: 46 - 49. Olyra saginata can be diagnosed from all species of the genus Olyra by the possession of the following unique combination of characters: interorbital distance 27.9-35.9% HL; 54-66 pored lateral line scales; body depth at anus 10.5-12.0% SL; length of adipose-fin base 17.3-22.4% SL; adipose fin separate from upper principal caudal-fin rays; post-adipose distance 11.8-14.3% SL; caudal peduncle length 14.8-17.7% SL; and caudal peduncle depth 7.8-8.9% SL (Ref. 96386).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found in a shallow stream with moderate to strong current and substrate composed of sand, pebble and rocks. Occurs in association with the following fish species: Badis spp. (Badidae), Rasbora rasbora (Cyprinidae), Garra spp, (Cyprinidae), Glyptothorax chimtuipuiensis (Sisoridae), G. caudimaculatus (Sisoridae) and Pseudolaguvia nubila (Sisoridae) (Ref. 96386).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Ng, H.H., Lalramliana and H. Lalthanzara, 2014. Olyra saginata, a new species of bagrid catfish (Actinopterygii: Siluriformes) from northeastern India. Zootaxa 3821(2):265-272. (Ref. 96386)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)

Niet geëvalueerd 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00408 - 0.01859), b=2.94 (2.76 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.3   ±0.1 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).