Lao country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Nam Leuk, Mekong basin in Vientiane Province. Collected or observed in the Nam Leuk mainstream (upstream and downstream of the falls ) and in several small forest streams (Ref. 37788). Also Ref. 43281.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/la.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Fang, F. and M. Kottelat, 1999
National Database:

Common names from other countries

Ülasuu-devaario, Dánio ostrorypé, ... more

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Cypriniformes (Carps) > Danionidae (Danios) > Danioninae
Etymology: Devario: Bangla/Bengali:‘debari’, local name for these fishes; also meaning ‘brother in law’ (Ref. 2031).
More on authors: Fang & Kottelat.

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

Freshwater; benthopelagic. Tropical; 30°C - ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Asia: Mekong basin in Laos.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 11.3 cm TL male/unsexed; (Ref. 125890); max. published weight: 18.30 g (Ref. 125890)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 11-14; Anal soft rays: 12 - 13; Vertebrae: 35 - 37. With complete lateral line, well-developed infraorbital process, with mostly 9 branched dorsal-fin rays and 9-10 branched anal-fin rays. Danio acrostomus can be distinguished from all other Danio species by its sharp, upwards directed pointed mouth, relatively long snout (greater than eye diameter), long rostral barbels, and heavily pigmented body. The most similar species D. aequipinnatus auct., has a comparatively blunt and also shorter snout (its length less than the eye diameter) and shorter rostral barbels.

Found in pools in small forest streams, sometimes even on remnant pools on very steep slopes (about 35°) and also in a mainstream at localities with various gradients, from standing to relatively swift waters. All these habitats have clear to very clear water and forest cover (except downstream of the falls where during the dry season, most of the stream is covered by large basalt blocks or disappears in underground channels in the basalt).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Kullander, F.F., 2001. Phylogeny and species diversity of the South and Southeast Asian cyprinid genus Danio Hamilton (Teleostei, Cyprinidae). Ph.D. Thesis-Stockholm University, Department of Zoology. p. 1-26. Sweden, Stockholm University. Department of Zoology. (Ref. 38392)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 17 February 2011

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00175 - 0.01195), b=3.15 (2.92 - 3.38), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.0 ±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).

Devario acrostomus (Fang & Kottelat, 1999)