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Anabantiformes (Gouramies, snakeheads) >
Badidae (Chameleonfishes)
Etymology: Dario: Bengali/Bangla: ‘Darhi’, local Bengali name for this species; ‘Darhi’ also means ‘beard' (Ref. 2031); melanogrammus: Named for the black zigzag lines typical of this species.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
; Água doce bentopelágico. Tropical
Asia: Myanmar.
Tamanho / Peso / Idade
Maturidade: Lm ? range ? - ? cm
Max length : 2.2 cm SL macho/indeterminado; (Ref. 137632)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 14 - 16; Raios dorsais moles (total) : 6 - 9; Espinhos anais: 3; Raios anais moles: 7 - 9; Vértebras: 25 - 27. This small badid species, barely exceeding 2.0 cm SL, is distinguished from its congeners by the following characters: zigzagging bars, which are formed by darkly pigmented posterior scale margins involving usually three scale rows; among Myanmar species of Dario, further differs from D. hysginon and D. tigris by having more vertebrae modally 26 (vs. 25 in D. hysginon, 24 in D. tigris) and a genetic divergence of 15.6-19.0 % uncorrected p-distance in the COI gene (Ref. 137632).
Body shape (shape guide): fusiform / normal; Cross section: oval.
This species was collected from several localities along the Chindwin in the vicinity of Homalin, Htamanthi and Hkamti. At the type locality in Tarwa Chaung near Homalin, the water had a temperature of 24 °C, a pH of 6.7 and a conductivity of 20 μS on 23 Feb 2013;. There were no aquatic vegetation and the bottom was muddy with sand and gravel. Associated fish species co-occuring with this species include the following: Acanthocobitis rubidipinnis, Amblyceps sp., Badis ferrarisi, B. kyar, Channa sp., Danio htamanthinus, Danio sp., Devario annandalei, Esomus sp., Laubuka khujairokens, Lepidocephalichthys berdmorei, Mystus pulcher, Ompok sp., Olyra sp., Opsarius sp., Pethia thelys, P. meinganbii, Puntius chola, Rasbora ornata, R. daniconius, Schistura sp., and Trichogaster labiosa (Ref. 137632).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Britz, R., S.O. Kullander and L. Rüber, 2022. Dario tigris and Dario melanogrammus, two new species of miniature chameleon fishes from northern Myanmar (Teleostei: Badidae). Zootaxa 5138(1):1-16. (Ref. 137632)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00503 - 0.02745), b=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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