Classification / Names
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Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: Microdevario: From the Greek 'mikros' meaning small and the generic name Devario, alluding to the small size and its relationship with Devario.; nanus: Specific name from the Latin word 'nanus' = dwarf (Ref. 38434).
More on authors: Kottelat & Witte.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce; saumâtre benthopélagique. Tropical
Asia: presently known only from Myanmar, but may have a wider distribution in the Irrawaddy delta.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 1.5 cm SL mâle / non sexé; (Ref. 38434)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
In the field, slightly yellow with iridescent blue side and silvery eye and belly; fins translucent with blotch in dorsal fin variably developed; aquarium-kept yellow with iridescent bluish side and silvery-golden eye, belly and opercle. Dorsal fin tip with a black blotch and a fainter one at the tip of the anal fin. Longitudinal scale series 25-26 + 1-2. Predorsal scales 11-13. Branched anal-fin rays 10-11. Dorsal fin rays 3 simple, 7 branched. Pectoral fin slightly falcate, with no axillary lobe. Pelvic fin slightly pointed, 6 rays, 2 axillary scale distinct in largest specimens. Anal fin rays 3 simple, 10-11 branched rays, last one split to the base. Caudal fin with 10 + 9 principal rays, 9 + 8 branched. No lateral line pores. Predorsal scales 11-13 (Ref. 38434).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Kottelat, M. and K.E. Witte, 1999. Two new species of Microrasbora from Thailand and Myanmar, with two new generic names for small Southeast Asian cyprinid fishes (Teleostei: Cyprinidae). J. South Asian Nat. Hist. 4(1):49-56. (Ref. 38434)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00371 - 0.02139), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±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).
