Teleostei (teleosts) >
Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Boraras: A name for a fish used in Borneo = "boraras merah".
More on authors: Kottelat & Vidthayanon.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
Asia: Mekong basin.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 1.3 cm SL male/unsexed; (Ref. 13287)
Dorsal soft rays (total): 8 - 9; Anal soft rays: 8; Vertebrae: 28 - 29. Usually with 5-6 branched dorsal rays; 7-8 pectoral rays; 6 pelvic rays; 22-23 lateral row scales and 0+3 gill rakers on first gill arch; 3 dark spots about the size of the pupil, one at mid-height of flank slightly before pelvic origin, one at base of posterior anal rays and one at middle of caudal base.
Body shape (shape guide): fusiform / normal.
Inhabits swamps and ponds with clear, relatively deep water (Ref. 43281).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Kottelat, M. and C. Vidthayanon, 1993. Boraras micros, a new genus and species of minute freshwater fish from Thailand (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 4(2):161-176. (Ref. 13287)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
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=0.00891 (0.00390 - 0.02036), b=3.02 (2.82 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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