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
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Tropical
Asia: peat swamp forests of Pulau Singkep, Sumatra, Indonesia.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 1.6 cm SL αρσενικό/απροσδιόριστο; (Ref. 88800)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Μαλακές εδρικές ακτίνες: 9 - 10; Σπόνδυλοι: 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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Endangered (EN) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 28 January 2019
Threat to humans
Harmless
Human uses
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 3.0 ±0.2 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
