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Cypriniformes (Carps) >
Danionidae (Danios) > Danioninae
Etymology: Danionella: Vernacular name fron India and Sri Lanka; diminutive; dracula: Named in reference to the long tooth-like fangs in the jaws in males. This is inspired by Count Dracula in Bram Stoker's novel. A noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة قاعية التغذية و المعيشة. Tropical
Asia: stream near Sha Du Zup in northern Myanmar.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 1.7 cm SL ذكر/ مختلط الجنس; (Ref. 81221)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
فقرات: 36 - 37. Differs from its congeners, Danionella translucida and Danionella mirifica, in having the following characters: a single bone in the upper jaw (versus two); a single row of 6-13 odontoid processes in males on the dorsal surface of the dentary and on the ventral surface of the upper jaw, the anteriormost processes of which are large and canine-like
(versus absence of processes); absence of maxillary-mandibular cartilage (versus presence); the possession of 7C8, 8C7 or 8C8 principal caudal fin rays (versus 9C9), dorsal procurrent rays 3-4 (versus 5-6) and ventral procurrent rays 2-3 (versus 4-6) (Ref. 81221).
Inhabits small stream (Ref. 81221).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Britz, R., K.W. Conway and L. Rüber, 2009. Spectacular morphological novelty in a miniature cyprinid fish, Danionella dracula n. sp. Proc. Royal Soc. 276:2179-2186. (Ref. 81221)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00457 (0.00175 - 0.01195), b=3.15 (2.92 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
