Classification / Names
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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
Écologie
; eau douce démersal. Tropical
Asia: Palak, Sala and Tuisi rivers (all tributaries of the Kaladan River) in Mizoram, India.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm SL mâle / non sexé; (Ref. 96386)
Description synthétique
Morphologie | Morphométrie
Rayons mous dorsaux (Total): 8; Rayons mous anaux: 17 - 19; Vertèbres: 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).
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).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00384 - 0.01800), b=2.95 (2.77 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).