Classification / Names
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Cypriniformes (Carps) >
Sundadanionidae (Tiny danios)
Etymology: Sundadanio: Sunda: Asiatic island; Danio: from ‘dhani’, local Bengali/Bangla name for small minnows (Ref. 2031); atomus: From the Latin 'atomus', an indivisible particle, in reference to the small size of this species. A noun in apposition..
More on authors: Conway, Kottelat & Tan.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique. Tropical
Asia: peat swamp forests of Pulau Singkep, Sumatra, Indonesia.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 1.6 cm SL mâle / non sexé; (Ref. 88800)
Description synthétique
Morphologie | Morphométrie
Rayons mous anaux: 9 - 10; Vertèbres: 34 - 35. Distinguished from all its congeners, except Sundadanio axelrodiand Sundadanio goblinus, by having weakly developed dark lateral stripe. Differs from Sundadanio axelrodi by its caudal peduncle with a complete covering of overlapping scales (vs. caudal peduncle devoid of scales or with few small, widely spaced scales situated along horizontal septum) and from Sundadanio goblinus by the absence (vs. presence)
of intense dusky markings on the dorsal and caudal fins. Can be further diagnosed by the following combination of characters: small adult body size (largest specimen examined 15.7 mm SL); blue to emerald green sheen (this depends on angle of incident light and perception) across dorsal body surface and an intense red colour across anterior portion of anal fin in live males; absence of secondary lateral stripe in males; absence of reticulate pattern along dorsal body surface; scales posterior to window in body musculature and anterior to anal-fin origin with a single small tubercle at center (Ref. 88800).
Inhabits peat swamp forests (Ref. 88800).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Conway, K.W., M. Kottelat and H.H. Tan, 2011. Review of the Southeast Asian miniature cyprinid genus Sundadanio (Ostariophysi: Cyprinidae) with descriptions of seven new species from Indonesia and Malaysia. Ichthyol. Explor. Freshwat. 22(3):251-288. (Ref. 88800)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menacé (EN) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 28 January 2019
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [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): 3.0 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
