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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 Ecologia

; acqua dolce benthopelagico. Tropical

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Asia: stream near Sha Du Zup in northern Myanmar.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 1.7 cm SL maschio/sesso non determinato; (Ref. 81221)

Short description Chiavi di identificazione | Morfologia | Morfometria

Vertebre: 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 | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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)

Data deficient (DD) ; Date assessed: 02 November 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trophic level (Ref. 69278): 3.0 ±0.3 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Danionella dracula Britz, Conway & Rüber, 2009