Actinopterygii (ray-finned fishes) > Atheriniformes
(Silversides) > Bedotiidae
Etymology: Bedotia: After Maurice Bedot, 1859-1927; born in Geneva, systematist on Hydrozoan; masoala: Named after the Masoala Peninsula in northeastern Madagascar, where the species occurs and is likely endemic (Ref. 40787).
Environment / Climate / Range
Freshwater; pelagic. Tropical, preferred ?
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.7 cm SL male/unsexed; (Ref. 40787)
Morphology | Morphometrics
soft rays: 16 - 19;
Vertebrae: 35 - 37. Body elongate and laterally compressed (Ref. 40787). Mouth large and oblique (Ref. 40787). Snout elongate, dorso-ventrally compressed and flattened (Ref. 40787). Presence of palatine tooth patches and well-developed endopterygoid tooth patches (Ref. 40787). First dorsal fin with 4-6 unbranched rays, second dorsal fin with 11-13 rays (Ref. 40787). Cycloid scales: 16-18 predorsal scales, 36-38 scales in a longitudinal series (Ref. 40787). No solid, broad, midlateral band, but the presence of a unique pattern of numerous small and irregularly shaped black blotches, streaks, and speckles on the flanks in males, producing a barred or mottled lateral pigmentation pattern (Ref. 40787).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Sparks, J.S., 2001. Bedotia masoala: a new species of atherinoid rainbowfish (Teleostei: Bedotiidae) from the Masoala Peninsula, northeastern Madagascar. Copeia 2001(2):482-489. (Ref. 40787)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 2.6 ±0.39 se; Based on food items.
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .