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> Cypriniformes (Carps) > Danionidae (Danios) > Danioninae
Etymology: varuna: The specific name is Sinhala for the south of the islandof Sri Lanka, to the rivers and streams of which this species is restricted..
More on authors: Pethiyagoda, Kottelat, Silva, Maduwage & Meegaskumbura.

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

; acqua dolce benthopelagico. Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asia: Sri Lanka.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.8 cm SL maschio/sesso non determinato; (Ref. 75997)

Short description Morfologia | Morfometria

This species is distinguished from all its congeners by the following set of characters: lateral line complete, with 31-33 + 1-2 scales; scales in transverse line on body ½6-½ 7/1/2 ½-3½ and on caudal peduncle ½3-½ 4/1/1 ½; body depth 27.9-32.4% SL; and lower jaw smooth, lacking tubercles on skin over dentary (Ref. 75997). It can be further distinguished from its Sri Lankan congeners by the following: a vertically elongate cleithral spot with greatest dimension greater than or subequal to the eye diameter; neuromast fields on the lower jaw are indistinct or altogether absent; adpressed unbranched pelvic-fin ray is usually not reaching beyond the anal-fin origin; often with 10-12 circumpeduncular scales and the 31-33 lateral-line scale (Ref. 127713).

Inhabits rainforest streams (Ref. 75997).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Pethiyagoda, R., M. Kottelat, A. Silva, K. Maduwage and M. Meegaskumbura, 2008. A review of the genus Laubuca in Sri Lanka, with description of three new species (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 19(1):7-26. (Ref. 75997)

IUCN Red List Status (Ref. 130435)

Endangered (EN) (B1ab(iii)+2ab(iii)); Date assessed: 07 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Consumo di cibo
Razione

Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development

Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
BRUVS

Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Electrophoreses
Ereditarietà
Malattie
Elaborazione
Nutrients
Mass conversion

Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

Special reports

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Summary page | Point data | Nomi Comuni | Photos

Fonti Internet

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5001 [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).

Trophic level (Ref. 69278): 3.2 ±0.3 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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