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Atheriniformes (Silversides) >
Bedotiidae (Madagascar rainbowfishes)
Etymology: Bedotia: After Maurice Bedot, 1859-1927; born in Geneva, systematist on Hydrozoan; alveyi: This species is named in honour of Dr. Mark Alvey (FMNH) in recognition of his tremendous efforts to promote natural history research and species discovery during his tenure as Administrative Director of Academic Affairs (Ref. 84245).
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού Πελαγικό(ά). Tropical; 15°S - 16°S
Madagascar: tributaries of Antainambalana and Vohimaro rivers in Madagascar (Ref. 84245).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.5 cm SL αρσενικό/απροσδιόριστο; (Ref. 84245)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 16 - 25; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 17 - 22; Σπόνδυλοι: 35 - 37. Diagnosis: A species of Bedotia that uniquely possesses a distinctive crescent-shaped to semi-circular spangle on the posterior half of many opercular and flank scales, forming golden, occasionally whitish to bluish, iridescent highlights (Ref. 84245). Bedotia alveyi is further distinguished from congeners by a single diffuse broad midlateral band, vs. two distinct bands in B. geayi and B. madagascariensis, and absence of bands in B. masoala and B. marojejy; sparse and irregular lateral blotching between scales when alive, vs. extensive spots and/or blotches present in life and preservation in B. leucopteron, B. marojejy, and B. masoala; the absence of broad white margins on the second dorsal and anal fins, vs. white margins in B. albomarginata; and rust-red caudal-fin lobes, vs. hyaline to orange in B. longianalis and broadly outlined in black in B. tricolor (Ref. 84245).
Tributaries harbouring this species are generally shallow, clear, and cool, with a moderate rate of flow, and low turbidity; the substrate ranges from rocky (small rock to large boulders) to somewhat sandy (Ref. 84245).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Jones, C.C., W.L. Smith and J.S. Sparks, 2010. A new species of rainbowfish (Teleostei: Melanotaenioidei: Bedotiidae) from the Makira Region of Northeastern Madagascar. Copeia 2010(2):284-291. (Ref. 84245)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 2.6 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
