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Atheriniformes (Silversides) >
Bedotiidae (Madagascar rainbowfishes)
Etymology: Bedotia: After Maurice Bedot, 1859-1927; born in Geneva, systematist on Hydrozoan.
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Tropical
Africa: lower reaches of Ivoloina River to at least as far south as Manambolo Creek which drains into the Lakendrano Mpangalana 10 km south of the town of Vatomandry, Madagascar (Ref. 76768). Following translocation to marshes near the village of Mahitsy (just outside of Antananarivo) in the 1950's, at present apparently also widely established in the Betsiboka basin (Ref. 76768).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 8.6 cm SL mâle / non sexé; (Ref. 76768)
Inhabits clear, well-shaded streams at altitudes up to 30 meters above sea level; prefers slow-flowing sections; observed in loose, size-graded associations up to several dozen of individuals; juveniles usually found in the shallows, adults frequent deeper waters (Ref. 76768).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Loiselle, P.V. and D. Rodriguez, 2007. A new species of Bedotia (Teleostei: Atherinomorpha: Bedotiidae) from the Rianila drainage of eastern Madagascar, with redescriptions of Bedotia madagascariensis and Bedotia geayi. Zootaxa 1520:1-18. (Ref. 76768)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries:
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
BRUVS
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [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 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).