Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; profondeur 0 - 1 m. Tropical; 24°C - 28°C (Ref. 1672); 7°N - 6°N
Asia: common in the south west quarter and mid-hill region of the Mahaweli basin, including the lower hills up to about 800 m. Found throughout Kelani and Kalu River basins, Sri Lanka.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 18.0 cm TL mâle / non sexé; (Ref. 6028); common length : 10.0 cm SL mâle / non sexé; (Ref. 6028)
Facultative air-breathing (Ref. 126274); Inhabits usually slow-flowing, shallow, clear water streams, usually with a pebble or sand substrate. Territorial, usually solitary, juveniles form small schools of 3-5 individuals. Feeds on terrestrial insects and detritus.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Male builds bubble nest under a leaf, a submerged overhanging rock or sometimes at the surface to hold the eggs. About 500 eggs are spawned. Eggs demersal, light pink, < 1 mm diameter. Male guards nest. Eggs hatch in 2-3 days after spawning. Both parents tend nest of larvae.
Pethiyagoda, R., 1991. Freshwater fishes of Sri Lanka. The Wildlife Heritage Trust of Sri Lanka, Colombo. 362 p. (Ref. 6028)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: sans intérêt; Aquarium: Commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 2.6 ±0.27 se; based on food items.
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).